Concrete Subfloor

00 Sub-Floor Estimate Slab Floor Estimate Volclay panels $1,760. If you have wet concrete floors it can be very dangerous. Test methods for determining moisture issues have improved by leaps and bounds. See below for help on concrete. CONCRETE SUBFLOOR PANEL LAYOUT: OVER FLUTED DECK • Th ubloor on luted deck is always considered an underlayment The concrete subloor is not considered a structural component There is no composite action between luted deck and the concrete subloor T&G always perpendicular to flutes INCORRECT INCORRECT CORRECT 3/4 " min. Mark Tibbens of Tibbens Construction is installing the sub floor, finish floor and hanging the doors (frames finished by Fitch Lumber in Chapel Hill). All-In-One Subfloor comes with a 20 year product warranty. Safety and performance at a great price. Either solid wood flooring or engineered wood flooring can be fitted onto a concrete subfloor. The first is that the sub floor planks are stable, well fixed and in reasonable condition. My problem is that the concrete guys I've talked to here in southwest Ohio look at me like I'm crazy. Concrete slab floor construction was often used for internal garages or lower levels of split level houses, with suspended floors used for other parts of the house. Second, you may want an extra vapor barrier above the subfloor to reduce any risk of moisture. However, a new concrete floor contains a lot of moisture. Section 2 provides specific details regarding the application of plywood in single or multilayer floor systems, while Section 3 provides. Check for hollow spots, cracks and loose areas. Concrete Subfloor Surface Prep. Whether you want to refinish an uneven basement floor, or replace or add new flooring on top of an existing concrete floor somewhere in your home, you most likely will need to level the concrete floor. The 20 gauge thickness is in stock, but 22, 18, and 16 gauge material is available. The frequency of moisture-related flooring problems has led to the development of numerous moisture mitigation strategies. If you love solid wood floors and your home rests on a concrete slab, you’re not out of luck. Metal lath stapled over plywood substrate. This applies whether you are nailing the floor or gluing the floor directly to the subfloor. If you have wet concrete floors it can be very dangerous. Some T&G products, like Advantech, already incorporate this in their product on the t&g side but you still have to space the ends and most people just stick an 8d nail between the sheets to give the correct spacing and then just take it out after nailing it in place. The flooring, usually engineered, is glued or clipped to itself, tongue to groove, and at the end joints. In areas with cold winters, EPS panels are used to insulate under slabs and the perimeter of foundations. For concrete slabs: If there are only a few problem areas in the concrete, you can mechanically flatten them by grinding, bead-blasting, abrading, or using. The other involves constructing a “conditioned crawlspace”. All-In-One Subfloor is for use on concrete subfloors as a moisture and vapor barrier membrane. To prevent that movement from creating cracks in your grout and tile, once your concrete subfloor is clean, flat, and free of cracks larger than 1/8 inch, you will need to install a crack prevention membrane. The subfloor. Concrete is pouress, and will hold moisture, which will in time rot the bottom of the drywall causing future problems. As it turns out the floor was concrete but they then suggested an alternative solution if I was to put up with a step up into the kitchen. Wood Subfloors -Any existing wood subfloors must be firmly secured. MC is part of a dynamic concrete slab formation process. com Pei Evaluation Service® is an accredited ISO Standard 17065 Product Certifier, accredited bythe IAS. The ARDEX Group A leading solution and service provider of innovative building systems. If you’re installing plywood over an existing dry concrete floor, you shouldn’t have any problem. DRICORE Subfloor panels have been designed with air gap technology to keep basement floors dry, comfortable and cozy throughout the entire year. but plywood, (or OSB) sub floors are not meant to be lived on, that’s why it’s called a ‘sub’ floor. Subfloor Preparation & Levelling. It's also the subfloor that can hold in the most moisture. floor above another floor or above a basement) or a concrete slab (ie. Here are some of our most recent tests. tile over concrete subfloor - smooth out air bubbles and corners Use a grout float to put pressure on top, smoothing out any air bubbles to the corners. Concrete continually releases moisture. The first is that the sub floor planks are stable, well fixed and in reasonable condition. Serving the Multi-Family, Commercial, and Hise-Rise Residential Market for over 30 years, Subfloor Systems, Inc. Tim’s Floor Stripping use Quality products to ensure you receive the best result. This air-gap membrane is made up of a special high-density polyethylene resin (FDA approved), providing a dimpled surface with outstanding compressive strength, impact resistance and long-term performance. Plywood Substrate in a kitchen. Because EPS is available in a variety of different densities with different compression strengths, the material can accommodate any design load requirements from a residential basement to an industrial warehouse floor with concentrated loads. " 20 years later, with this mindset and our unique, patented manufacturing process, MP Global Products produces high-performing products made primarily from recycled materials. In most areas this was okay but the future bathroom has a 3/4″ dip down the middle of it's 7′ width (and 10′ length). Using a minimum 5/8" CDX (3/4" recommended) plywood, the material is installed over the same moisture barriers (mastic excluded) but attached by way of concrete fasteners. Firth’s product range includes: Certified® Concrete; RibRaft® Systems (foundations), Masonry (includes Paving, Bricks, Blocks and Retaining and Dricon® (premixed concrete, mortars, plasters, oxides and sands). Compacting with a mechanical Whacker Plate. Visually inspect for obvious signs of pest (termites, rodents, snakes, etc. Concrete Subfloors. Do not apply sheet plastic over wood subfloors. This is the same thing as level. I don't know if a moisture barrier is actually "good" as it could actually trap moisture under there that would accumulate over time. Basements and crawl spaces must be dry. Plywood is one of the most common subfloors in use today. It is noticable and I'd like to fix it. I would like to then stain some of the concrete and use it as a finished floor in some areas. 75 per square foot to $6. Safety and performance at a great price. If you are utilizing lightweight concrete, plywood or OSB subflooring panels will have to be installed. , Tags: how to stain concrete floors cheap,how to stain concrete floors to look like tile,how to stain concrete floors video,how to stain concrete floors yourself,how to stain concrete floors youtube, Resolution: 1024px x 679px. A concrete floor is usually laid during renovation work to replace a rotting timber floor. Product Details {}. Pour a small amount of primer into a paint tray. All sub-floor/underlayment patching must be done with a good non shrinking. From wood flooring to luxury vinyl tile, every beautiful floor starts with proper preparation. considered in the design and construction of suspended concrete slabs of a building, to ensure the performance requirements of the Building Code of Australia (BCA) are met. So you might want to consider filling the crawl space. Wood subfloors must be • Concrete subfloors. The only tool required is a utility knife. Directly gluing the bamboo flooring to a concrete subfloor. Homes without basements may still have concrete subfloor foundations below the ground (known as "grade"). It may be overlaid atop a concrete subfloor or plywood. After the repair mortar cures (if using), install the underlayment to provide a smooth, level surface. Most solid wood flooring is nailed to a plywood or OSB subfloor over wood joists or a slab-on-grade foundation (solid wood is not recommended for below-grade installations, such as basements). Construction time can be reduced by as much as 3 - 5 weeks depending upon the size of the job. If you’re looking to install concrete over a subfloor supported by joists, you’ll need a structural engineer to determine if your floor can stand the weight. -Do not install over wood subfloors that lay directly over concrete. Firth is the largest national manufacturer of ready mixed concrete, concrete products, systems and solutions in NZ. Concrete is pouress, and will hold moisture, which will in time rot the bottom of the drywall causing future problems. The Subfloor. All-In-One Subfloor is for use on concrete subfloors as a moisture and vapor barrier membrane. Warmboard panels are easy to install, and our thick aluminum ensures greater comfort through fast response and low energy use. How to Fix a Rough Concrete Floor. The Structural Panel Concrete Subfloor system consists of steel joists, trusses or framing members, fire resistant board that acts as a ceiling for the unit below and USG Structural Panels applied with mechanical fasteners. Subfloors must be checked for excessive moisture. Raising an On Grade Concrete Sub-floor 3/4" ? Ok - I think I already know the answer but am looking to see if there are any options I have not thought of or found. Tim’s Floor Stripping use Quality products to ensure you receive the best result. A subfloor is a layer of flooring that is built directly on the floor beams or joists. Dry and will remain dry: Subfloor must remain dry year-round. First remove any loose and chipping concrete. Safety becomes an even greater issue when there is both human and forklift traffic in the same area. Subfloor Air Sealing Details All crawlspace floors need 100% ground cover using a plastic vapor barrier that is sealed to the foundation walls – basements usually have a concrete floor poured over the plastic. See more ideas about Concrete, Precast concrete and Book shelves. The pipes that are installed under a concrete slab are one of the most critical parts of your home project, and you must check every pipe! Even though the installer believes he did it all correctly, check it anyway! Everyone can make mistakes, and mistakes in the locations of these pipes under a concrete slab can be disastrous. Posted 6 March 2012 by Mr. Convenient and simple to install, DryBarrier® makes it easy to transform a cool, damp area into a warm, dry living space for your family. There is always water content in concrete mixtures, and those mixes are becoming more engineered than ever. Intended to be used in residential basements, this tile protects carpet, wood planks, or other engineered flooring from potential moisture damage. Metal lath stapled over plywood substrate. Converting a Concrete Slab to a Wood Subfloor Welcome to the IDEALS Repository. Typical sight lines run parallel to the longest wall, but each home is different. Ironically, on this job the underlayment was attached to the subfloor WAY better than the subfloor was attached to the floor joists. will require additional protection such as concrete sealant or polyethylene sheeting. First, make sure that it has cured for at least 60 days before beginning your installation. When leveling plywood sub-floors we recommend sanding down high spots and using various thicknesses of shimming material to fill in the low spots. This floor system is designed to carry gravity and lateral loads. 5 as measured with a Tramex Commercial Concrete Moisture Meter. Subfloor solution. Impact damage from hard wheeled moving loads can take its toll on the slab, typically resulting in floor joint damage and surface defects. DIY How-To Guides Learning how to tile floors, countertops, and walls is easy when you use our 4 simple steps. Moisture can cause floor coverings to swell or blister and wood flooring may even buckle. Structural Panel Concrete Subfloor is a cured-in-factory panel that is noncombustible, inorganic, mold-, moisture-, termite-resistant and dimensionally stable floor assembly suitable for many floor finishes. It also provides a Thermal Break making your floors warmer and more comfortable. Before any floorcovering is installed on a concrete floor the floor installer must be satisfied that the subfloor is dry and that there is no possibility of rising damp occurring. The cost to Install a Cement Slab starts at $8. Next, use a back-saw to cut the wooden door jamb, by holding it perfectly level. This will work in tandem with an appropriate moisture barrier to mitigate excessive moisture rising from the subfloor. It is noticable and I'd like to fix it. You can prime the subfloor with Zinsser B-I-N primer. And everything is environmentally friendly, because all ARDEX products are solvent-free. Concrete should be at least 30 days old and pass all moisture tests. Step by Step. Sometimes it’s not thick enough, or strong enough, (where thin subfloor panels are used over floor joists that are spaced too widely for the thickness of subflooring). Use over concrete, gypsum, wood, VCT, existing patching and leveling materials and non-water-soluble adhesive residue on concrete; Excellent over challenging substrates; Go to product. Greatmats recommends a few difference dance subfloors, all of which are meant to be installed under an all-purpose marley vinyl surface top. Concrete subfloors must be dry, clean and free of dirt, grease, wax, paint, oil or anything that would adversely affect adhesion of the material. How to Install a DRIcore Subfloor in Your Basement. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Get one of these hand held cement floor scrapers (found in the paint department). USG Structural Panel Concrete Subfloor (a. FLOOR-TOP STG cures to a hard, traffic-wearing surface suitable for foot and light rubber-wheeled traffic. 1 and ASTM F710). If you are utilizing lightweight concrete, plywood or OSB subflooring panels will have to be installed. Check the moisture level of the subflooring using a moisture meter. When placing an underlayment over metal lath, be sure the thickness is at least of 1/2 inch to reduce the chance of the lath pattern ghosting through to the surface. basement or first floor not over a basement). Compare the results against the manufacturer's specifications for moisture limits. AdvanTech subflooring is a brand builders have trusted for over 20 years to combat the harshest job conditions. Concrete Slab Subfloor Concrete slabs are usually poured everywhere from 4 IN. For the first floor, the most economical solution seems to be a 1-1/2" lightweight concrete slab on top of a (suitably engineered) wood subfloor. -Subfloor panels must have a smooth, sanded face and show no signs of swelling. DIY CONCRETE FLOOR - THINGS TO KNOW. They only come into play when you want to expand downward and make your basement a warm, livable space. There are several things you need to check when inspecting a concrete subfloor. This Product Evaluation Report represents a product that Pei ES has Evaluated. Subfloors are strong, versatile, and very durable. Subfloor Air Sealing Details All crawlspace floors need 100% ground cover using a plastic vapor barrier that is sealed to the foundation walls – basements usually have a concrete floor poured over the plastic. It ain’t easy on the knees, but it took a couple of hours to mix, spread, flatten, and do it all over again for the next piece. If the concrete slab remains high and dry all the time, and is perfectly smooth and stable, you can install the plywood subfloor or underlayment right on the concrete. Concrete subfloors must be fully cured, at least 60 days old, and should have minimum 6-mil polyfilm between concrete and ground. Concrete is pouress, and will hold moisture, which will in time rot the bottom of the drywall causing future problems. The screw count is a bit high at times but this will allow for losing some. 1 and ASTM F710). Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Everything about how to level The concrete, plywood and wood floors. Concrete Sub-floor Concerns. Concrete subfloors suitable for the installation of American Biltrite flooring must be dry, clean, smooth, level and structurally sound. There is a lot involved in making a shower system that is waterproof and built to last. How to lay laminate flooring on concrete. What are the specifications for laying a concrete floor indoors? How much hard core, depth of concrete and where do I place the Damp Proof Membrane, etc? Update: The project is the conversion of a stone out building into living accommodation. Watch our do-it-yourself (DIY) videos and follow our step by step guides to discover how to install tile the easy way. This simple to apply system is rapid drying and can be walked on after 2 to 3 hours. Gluing Down Solid Wood Flooring to ConcreteThis is a question that I have started to receive more and more. 99 per square foot, but can vary significantly with site conditions and options. Dry and will remain dry: Subfloor must remain dry year-round. Converting a Concrete Slab to a Wood Subfloor Welcome to the IDEALS Repository. At 3/4" OSB is rated as subfloor under wood flooring even with 18" o. It consists of high tensile galvanized steel centering, welded or attached with self tapping screws to the supporting steel framing together with either a 1-6 or 1-8 mix of vermiculite concrete. Over lightweight concrete (less than 3000 psi), if the flooring adhesive used has a higher shear strength than the concrete, use the floated subfloor installation method. That’s why installing some kind of a subfloor directly against the concrete is the best idea. Delamination of the subfloor. familyhandyman. Undecided about the best way to cover and warm up the concrete floor in your basement? Air gap subfloor panels elevate and insulate your finished floor quickly and easily. A modern "stick-framed" house is a system of platforms. A floor leveler that is comprised of a unique thermoplastic rubber compound, it is flexible and easy to work with, yet strong and durable. Run the tubing from each zone up into the connectors and valves and finish the installation by pouring the concrete on top, which should be between 4 and 6 inches in depth. This kind of floor performs well, resists moisture and is easy to install. 1 and ASTM F710). DIY Painted Plywood Subfloor I said that your floors looked great and asked how i could put down plywood flooring as my floor is concrete covered in thin vinyl. Moisture testing should be performed prior to any installation of hardwood flooring. While you can install tile directly on concrete, problems erupt when the concrete cracks or shifts. You can prime the subfloor with Zinsser B-I-N primer. Subfloors are typically concrete, plywood or particle board. Based on this project experience, I could never recommend this company for concrete leveling. Concrete or tile-over-concrete are acceptable floors for uninhabited basements. Many traditional properties are built with a suspended wooden floor which sits above a void air space between the perimeter walls and ground. It will eliminate the risk of your floor collapsing under its own weight. In some cases, what has actually happened is that the epoxy bond is stronger than the low-quality concrete it was installed on - the concrete has separated from itself! 4. A concrete floor slab is the table top on which an operation performs and as such, it is often the greatest source of maintenance in busy warehouse and industrial environments. Get fair costs for your SPECIFIC project requirements. Our great grandparents may have walked on a dirt floor when they were kids. The short answer is "yes", but not significantly. Concrete slabs should be flat, use a leveling compound to fill any depression or voids. These step-by-step instructions demonstrate how to easily install subfloor panels in an empty room. But, when it comes to concrete subfloors, excessive moisture is a definite concern. The raised moisture barrier covers cold, damp concrete to protect, insulate and cushion your finished floors. Plywood or planks also provide a solid platform to which tile, vinyl, hardwood, carpet, etc. Compatibility: May be used over concrete, wood, steel or polystyrene foam. Nail Gun Depot offers great pricing on Paslode, Senco, Dewalt, Hitachi, Bostitch, Duo-Fast, BeA and others. The cost to Install a Cement Slab starts at $8. A subfloor will provide a smooth, level surface upon which to lay a floor covering. The pipes that are installed under a concrete slab are one of the most critical parts of your home project, and you must check every pipe! Even though the installer believes he did it all correctly, check it anyway! Everyone can make mistakes, and mistakes in the locations of these pipes under a concrete slab can be disastrous. We’re one of the top manufacturers of easy to use industrial floor coatings, flooring and concrete repair products and more. You will attach the concrete backerboard directly to the plywood floor with the appropriate fastners / thinset. These systems offer a two-pronged approach to keeping concrete floors dry and warm. “Standard Practice for Preparing Concrete Floors to. Remember that water is an important ingredient and it can take the slab months because it's fully dried. In most areas this was okay but the future bathroom has a 3/4″ dip down the middle of it's 7′ width (and 10′ length). installing subfloor over concrete concrete design plan bathroom mortar installing osb subfloor over concrete installing subfloor on uneven concrete. Keep in mind, the average cost of laminate flooring is $1/sf to $5/sf. Under Slab Insulation & Floors. Get fair costs for your SPECIFIC project requirements. Below-grade installation is not recommended. Another solution that works well and is inexpensive is to lay down a layer of used bicycle tires, then a layer of cheap plywood, your foam on top of that and then your cover, with all held down by a frame. Concrete is pouress, and will hold moisture, which will in time rot the bottom of the drywall causing future problems. Floor had vinyl tiles ontop of the concrete, its wet under then too, so its deffo rising up. Section 1 identifies some of the basics in selecting, handling, and storing plywood. I was not able to find any info on how many screws per 4x8 or 4x4 sheet should be applied and what holding power would be enough to do the job? My plan is to use 20 1/4" x 1 3/4 inch screws every 2 feet, inbedded 1 1'4 inches into to concrete per 4x8 sheet of CDX. How to Lay a Subfloor Before installing a tile floor, a subfloor and underlayment is necessary. Masonite covers a wooden subfloor or concrete slab's imperfections, giving the laminate or hardwood flooring a smooth and flat surface to bond against. However, there was a sticky glue backing that was difficult and took some elbow grease to work through but it was not to bad with the proper tools. How to lay laminate flooring on concrete. – Patch cracks in concrete subfloors greater than 1/8” deep with an approved latex patching compound. Today, all over the world people are finding more uses for dirt when making floors in a home. Stagestep’s SpringFlex is a proprietary system which can be used to support a hardwood floor or a floor deck of plywood. Before laying a concrete floor, you must consult your local Building Control Department as changing a floor can affect the ventilation in other parts of the building and it is possible that insulation will also be required. Advanced Basement Moisture Prevention Materials At Spycor Building Products, you can get high-quality subfloor systems that are easy to install and effective at removing moisture. -Do not apply sheet plastic over wood subfloor -Nail or screw every 6” along joists to avoid squeaking. Keep in mind, the average cost of laminate flooring is $1/sf to $5/sf. The ARDEX Group A leading solution and service provider of innovative building systems. Lightweight Concrete Wall Panels, Lightweight Concrete Floor Panels and Lightweight concrete Blocks from Allied's aqueous foams FOAM BLOCKS, LIGHTWEIGHT CONCRETE FLOOR AND WALL PANELS (Applications based on Allied Foam Tech's Aqueous Foam). MC is part of a dynamic concrete slab formation process. Not having any experience with that Harbor Freight Cen-Tech device, I cannot comment on it. All of these involve covering the existing concrete slab with a new coating of concrete or a concrete-like topping and finishing the new layer as desired. How to Install Concrete over Plywood | Part 4/4 Back to Video Gallery Because Duraamen specializes in polished concrete flooring systems that can go over many different surfaces, we have repeatedly been asked about whether or not you can install concrete over plywood. The Prodeso Cable Installation Membrane is an uncoupling membrane that can only be used with the TempZone Floor Heating Cable. With today’s range of highly durable and attractive coatings, owners don’t have to settle for bare concrete floors. Most concrete subfloor consists of a sand and cement screed mixture. Concrete must be a minimum of 30 days old. The underlayment serves the dual roles of conferring added comfort and suppressing capillarity. FLOOR-TOP STG Concrete Floor Topping from W. Ironically, on this job the underlayment was attached to the subfloor WAY better than the subfloor was attached to the floor joists. Subfloor Repair. If you're putting in new concrete floors on grade, the weight won't be a concern. Everything about how to level The concrete, plywood and wood floors. I don't know if a moisture barrier is actually "good" as it could actually trap moisture under there that would accumulate over time. So, whether you go for vinyl or wood, here is a handy guide to laying flooring on concrete. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Concrete subfloors must be fully cured, at least 60 days old, and should have minimum 6-mil polyfilm between concrete and ground. I would like to then stain some of the concrete and use it as a finished floor in some areas. Some wood flooring options don't perform as well on concrete slabs, and likewise for some hard flooring options on wood framed floors. Dry and will remain dry: Subfloor must remain dry year-round. You need to leave an 1/8″ gap at the edges to allow for expansion. Monolithic Terrazzo is a 1/2" thick cementitious finish applied directly over a concrete sub-floor. Dance Subfloors By installing a inexpensive dance subfloor, you can install a forgiving dance floor over concrete without paying a cringe-worthy amount. Plywood Substrate in a kitchen. Safety and performance at a great price. It’s also the subfloor that can hold in the most moisture. • Radiant heating systems, if approved by the flooring manufacturer. Falls are the leading cause of work-related deaths among residential construction workers. To burnish the surface very smooth,. Concrete is mostly found in high rises and condos, but is commonly found in basements and bathrooms of houses as well. The ARDEX Group A leading solution and service provider of innovative building systems. 1 and ASTM F710). A noncombustible ceiling assembly is attached to the bottom of the floor joists to complete the construction. Over lightweight concrete (less than 3000 psi), if the flooring adhesive used has a higher shear strength than the concrete, use the Floated Subfloor installation method. Home Dance Studio Subflooring. What is a sleeper-constructed subfloor and why can't I install flooring over this? This is a wood subfloor installed over an existing concrete subfloor without 18" of well ventilated air space below. Emission of moisture through the subfloor should not exceed 3 pounds (1. This floor system is designed to carry gravity and lateral loads. Thin Slab: There are two methods for this installation option, the first involves attaching the tubing to the subfloor and covering it with light concrete (or self leveler). familyhandyman. Insulating Concrete with Galvanized Steel Centering This system provides a maintenance free, economical roof system. It has a plywood subfloor that I would like to cover with a thin but durable layer of concrete that I can stamp and color. Nominal 15mm Class 1 Exposure ply wood sub floor panels. Living room is 20x12 ft and it all was wet. Roppe designed its line of subfloor leveling products with you in mind. Today, floating subfloor systems offer homeowners a way to stifle the cold and construct a warm, pleasant place for a game room, office area or home theatre. Drying Concrete After a Flood. They only come into play when you want to expand downward and make your basement a warm, livable space. Using a minimum 5/8" CDX (3/4" recommended) plywood, the material is installed over the same moisture barriers (mastic excluded) but attached by way of concrete fasteners. It forms a silicate mineral – it's like injecting Portland cement into the concrete. An installer can normally do any type of install method over wood, including floating, nail/staple and glue down. For nail-down wood subfloors installed on-grade and below-grade, add a moisture control system below the subfloor material. Re: Subfloor screw down questions don't be tempted and leave off the glue , you need that gasket badly. Keep in mind, the average cost of laminate flooring is $1/sf to $5/sf. There are several things you need to check when inspecting a concrete subfloor. 84 Plastic $80. It is important because the subfloor needs to be able to withstand the high moisture levels in a bathroom, and not all materials can handle such a tremendous task. Concrete subfloors shall not consist of lightweight concrete or gypsum. A subfloor provides stability and a level surface. If the subfloor is unstable, ARDEX provides a broad range of levelling compounds. My problem is that the concrete guys I've talked to here in southwest Ohio look at me like I'm crazy. FLOOR-TOP STG cures to a hard, traffic-wearing surface suitable for foot and light rubber-wheeled traffic. All concrete subfloors emit some amount of moisture in vapor form. And as you can see at the end of the video the subfloor was seriously compromised when the underlayment peeled up two and three layers top layers of veneer. The only noncombustible structural cementitious panel manufactured in the United states. Installation over concrete subfloors Floor application for wedi Building Panel All wedi Building Panel sizes and thicknesses can be used as tile underlayments over concrete subfloors. 36 kg) per 1,000 sq. Selecting a Subfloor. Concrete subfloors. concrete) before protection against moisture in the form of a vapour barrier normally becomes necessary. Instead of covering the concrete with wood carpet or vinyl flooring, builders are making them functional and decorative. The subfloor is made of particle boards. These systems offer a two-pronged approach to keeping concrete floors dry and warm. Tim’s Floor Stripping use Quality products to ensure you receive the best result. Concrete is pouress, and will hold moisture, which will in time rot the bottom of the drywall causing future problems. For concrete slabs: If there are only a few problem areas in the concrete, you can mechanically flatten them by grinding, bead-blasting, abrading, or using. One thing I learned: You can still see the seams of the subfloor (notice the vertical line on the right hand side of the photo above). Get fair costs for your SPECIFIC project requirements. Want to see who made the cut?. Repairing and Leveling a 20-Year-Old Concrete Subfloor Concrete contractor only had two days to repair and level a severely cracked, 4,000-square-foot concrete subfloor February 18, 2013. Warm N Quiet Subfloor. If your sub-floor is made of concrete instead of wood, you'll need to be sure that it's prepared for your bamboo flooring. F1869 - 11 Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride , anhydrous calcium chloride, moisture vapor emission rate, quantitative calcium chloride, resilient flooring: Vapor phase analysis/processing, Anhydrous calcium chloride, Calcium chloride, Flooring/floor covering systems (concrete), Moisture analysis--building. Roppe designed its line of subfloor leveling products with you in mind. Vapor emission readings in excess of 4 lbs. If you've ever mixed your own concrete by hand in a barrow, you've probably used the simple ratio of 4:2:1 - four shovelfuls of blue metal (or coarse aggregate), two shovelfuls of sand (or fine aggregate), and one of cement. Concrete Subfloor Waterproof Membrane, Thin-Set 2. If you’re floating over a plywood subfloor, you would just need to use a recommended underlayment — no extra plastic moisture barrier is necessary. Concrete slabs should be flat, use a leveling compound to fill any depression or voids. 1 and ASTM F710). Modified thinset mortar, combed through with a minimum 1/4" x 1/4" notch trowel, will then provide a ribbed bed into which the wedi Building Panels will be laid. A typical concrete mix is about 10-15% cement, 15-20% water and the rest in aggregate, generally a combination of sand and blue metal. But, when it comes to concrete subfloors, excessive moisture is a definite concern. How to Identify a Damaged Subfloor. This kind of floor performs well, resists moisture and is easy to install. You can muffle the echo effect by using sound-absorptive materials in the room, such as area rugs, curtains, pillows and wall fabrics. Installing insulation. Make sure the concrete is well bonded to the sub-floor. Wood Sub floors: Must be flat to within 3/16” of a straight edge in a 10’ radius and without any abrupt height differences. If the concrete subfloor is always dry, however, laminate floors can be placed directly on the slab. As any regular reader of this blog will know, if you’re laying a new wood floor over an old plank sub floor, there are several things you need to take into consideration. When any tongue and groove plank flooring is going over a subfloor is has to be extremely flat so the adjacent planks can be correctly fitted together. familyhandyman. CONTROLLING MOISTURE VAPOR FROM CONCRETE SUBFLOORS TechnicalBulletin Technical Services 800-282-8786 custombuildingproducts. Parts of the subfloor and the padding will have to go, and maybe the carpet, too. It has a plywood subfloor that I would like to cover with a thin but durable layer of concrete that I can stamp and color.