The wood subfloor must either be solid hardwood flooring, a minimum of. The subfloor is the foundation beneath finish flooring materials. Sakrete fastset self leveling resurfacer 50lb fast. How to patch small holes in concrete slab basement floor.
The daily temperature and humidity changes cause the wood floors to move and expand under stress. Some products are designed to go on just thick enough to fill the voids in the lath. Over wood floor systems, utilizing expanded metal lath reinforcement. When you remove the burlene, saw cut the slab immediately. Their main purpose is as a thin topping to level, smooth, or fix imperfections in concrete substrates prior to installation of other floor coverings, such as tile, carpet, or vinyl. Repair subfloor with meadowcrete or meadowpatch repair products from. How can i pour a concrete floor over a particle board subfloor.
How to install concrete over plywood part 44 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. Vinyl is one of the few types of floors that can be safely installed over concrete, wood, or other solid floors. Concrete on or below grade will have some moisture in it. Concrete broom overlay resurface old concrete mix 6000psi. As noted above, were discussing two products, one a subset of the other. Nailers put down in it, concrete between them and wood nailed down over it. Consists of wood subfloor installed over or on an existing concrete subfloor on or.
Concrete underlayments, installing underlayments, and info on. Yields listed above will vary based on substrate profile, variations in mix water amounts, and waste. What is the purpose of floor concrete in this upstairs wooden condo. In that case you will have to fill and patch the concrete. Traditional latex modified or gypsum based underlayments will crack along joints, break bond with lateral. Increases iic levels up to 17 points over wood frame, and up to 25 points over concrete. Under the subfloor is wood its a wooden construction.
Wa state once we took off the old carpeting and vinyl flooring, it turned out that the subfloor is made from concrete. Find quality surface preparation online or in store. Concrete overlays for wood surfaces create the ultimate makeover. Topping concrete work procedure, types and advantages. How to patch concrete with sakrete top n bond concrete. Patio or driveway concrete overlay is for old or damaged concrete with surecretes just add water mix and when applied properly, our broom overlay product test well over 6000 psi when cured. These subfloors consist of lightweight concrete or gypsum based topping over plywood on wood joists or trusses. Gypsum concrete is a building material used as a floor underlayment applied over wood subflooring and concrete. Diy experts show how to repair concrete steps by patching and resurfacing them. In basements and in homes with slabongrade foundations, the. The first step to proper installation is to get the subfloor in order. Pulled up the carpet this weekend to find an old vinyl or linoleum i dont know the difference underneath on top of the wood subfloor its a pier and beam house. Levelers and patches flooring supplies tools miami.
Ardex gs4 selfleveling repair underlayment for distressed gypsum and wood subfloors. Selfleveling concrete toppings provide a shortcut to a. How to prepare a wood substrate for a decorative concrete topping system. Can an underlayment be installed over a wood subfloor. Selfleveling toppings can be poured over existing concrete surfaces you didnt think were salvageable, saving time and money. Not a problem, as its all intact so i had planned to run the laminate over top, and i went ahead and filled any gaps between the closet and floor with a filler putty meant for this. Types of subfloor materials in construction projects. They also dry very quickly, so the final texture is limited to how the microtopping is applied over the. After the concrete is finished, it should be wetcured for 14 days. Prime the entire surface with wood primer to seal off the surface and get a good bond. Meadows is a selfleveling floor topping and underlayment that may be pumped or poured. Microtopping treatments are made with very thin layers, no thicker than 18 inch, of polymermodified concrete containing sand and are applied with trowels or brushes, depending on the final look desired.
Placing a durable underlayment concrete construction magazine. Or you can incorporate decorative inlays, such as strips of wood or metal, by adhering them to the base concrete and then pouring the overlay to the level of the inlay. We had a concrete slab and a wood subfloor over it. What is a sleeperconstructed subfloor and why cant i install flooring over this. How to install selfleveling overlays are simply poured or pumped onto the floor surface and then distributed evenly using a. Because microtoppings are so thin they are not selfleveling. Various thickness overlay concrete construction magazine.
Floor leveling compound the home flooring pros guide. The open joints should be filled with a rapidsetting patching. Floor leveling compound is any mix used to fill low areas and imperfections or add as a topcoat to existing flooring. Traditional latexmodified or gypsum based underlayments will crack along joints, break. The original floor consisted of linoleum over plywood. The concrete wont shrink when it is wet, so it shouldnt crack during this period.
Top n bond by sakrete is a polymer modified repair mortar used for patching, repairing and resurfacing cracked or chipped concrete surfaces. Use over concrete, gypsum, wood, vct, existing patching and leveling materials and nonwatersoluble adhesive residue on concrete. Should i put a membrane between the concrete topping over plywood subfloor. Ardex liquid backerboard over wood subfloor to allow stained. Installations over gypcrete lumber liquidators flooring co. I like to use a polymer additive combined with cement, which provides some. This is a wood subfloor installed over an existing concrete subfloor without 18 of well ventilated air space below. Part of the house was cemented over the slab some years ago and tiled. How to patch and resurface concrete steps howtos diy. Fill the seams and joints of the plywood subfloor with a fearther patch material to seal them off.
Whether its a question of cosmetic concrete repairs for a more attractive finish or installing hardwearing surfaces in commercial and industrial applications, ardex offers the right products no matter how diverse and challenging the requirements. We are building a 2story condominium complex with concrete slabongrade. Concrete resurfacing over wood or plywood substrates. Shop surface preparation in the flooring section of. This overlay on a wood subfloor was created with ardex products, then colored with. You might try backer board with a polymerconcrete overlay. On woodframe floors, the subflooring provides a continuous structural surface over the floor joists. To help you start your installation project off right, here are a few tips for preparing your subfloor. How to level a concrete floor selfleveling overlays. Installations over gypcrete the purpose of the information is to outline ideal flooring options and applications over gypcrete. Dispelling common myths associated with poured gypsum floors. Surespray is a thin spray concrete overlay mix product that can create many different designs and textures on concrete floors. Concrete resurfacing over plywood substrate duraamen.
Unless the product is labeled as selfleveling, it will need to be worked with tools as outlined above. Self leveling compound or underlayment can be poured over a wood subfloor, but it is critical to choose the right. Concrete resurfacing over wood or plywood substrates duraamen. A product like burlene is good for this, but keep it wet. Increases stc rating 615 points over bare wood frame system. How to level, smooth, or fix imperfections in wood substrates before installing tile. Helpful tips on how to pour self leveling concrete over a wood subfloor. This video demonstrates the installation of selfleveling concrete over plywood substrates. Repair holes and cracks with a great selection of concrete repair products at menards. Sprayable concrete overlay mix floor thin texture surespray. How to install concrete floors over plywood subfloors seattle. Durable, noncombustible concrete subfloor panels offering fast installation, structural stability and 1 and 2 hour firerated assemblies. Should i put a membrane between the concrete topping over. Their main purpose is as a thin topping to level, smooth, or fix imperfections in concrete.
Sakrete fastset self leveling resurfacer 50lb fast setting concrete mix at lowes. The installation of calcium aluminate cement based selfleveling concrete, param 5500 along with expanded metal lath for reinforcement is a successful fasttrack. For super sound control even in open beam, concrete slab and exposed ceilingmass timber floor systems. It is ideal for leveling larger areas, and can be used over precast floor slabs, new concrete, weather damaged concrete or finished concrete with rough or otherwise unacceptable surfaces. Frankly, stacey, the thought of a concreteoverwood floor frightens me badly.
Surface repair options for concrete floors and subfloors. The slurry must not dry before concrete is placed over it. Should i put a membrane between the concrete topping over plywood subfloor im working in a condo right now that was built in 1989 with standard wood not pt with a 1. For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. The wood flooring system must conform to the requirements. See concrete, floor fills, underlayments and toppings e 8 on page 23. Get free 2day shipping on qualified floor patch products or buy flooring department products today with. Ardex sdm designer floor finish use over concrete, terrazzo and ceramic, quarry and porcelain tile. Find out how concrete floors are installed over a wood subfloor. Decorative concrete overlays over a wood substrate. How to install self leveling over a wood subfloor youtube.
Selflevelling concrete is a great option to fix a floor but heres why its not a diy option there are many products with many different processes. Installing a concrete floor over a wood subfloor time. Dense new and precast con crete requires 1 coat of diluted concrete bonding adhesive. In woodframed construction, gypsum can be poured directly on the wood without wire lath reinforcement at 19 mm 3. Looking for sakrete gray selfleveling underlayment, 50 lb.
Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight concrete. Selfleveling compounds and selfleveling overlays are designed to be used over existing concrete. Imagine waking up in the morning and not having to cringe as you step onto your cold tile floor. Subfloor prep installation faqs armstrong flooring. Can be used to create a burnishpolished surface on indoor concrete.
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