Measure and cut 14inch or thicker plywood with a circular saw to fit the entire floor of the room where you are installing vinyl flooring. Types of subfloor materials in construction projects. Screw heads should lie flush with or just below the surface of the sleepers. The floor patch and leveler will remain flexible allowing the. How to level a subfloor to prepare for new flooring. Feb 22, 2007 hello at,i am looking to have a polished concrete floor in my kitchen. Concrete floor video on how to install concrete over an existing wood subfloor. For wood based sub floors you must first apply a bonding agent to the subfloor to get good adhesion with the self leveling compound material.
How to install selfleveling concrete over wood or plywood. I would not be surprised to see that the crack had followed a seam in the plywood or decking in the sub floor. Dips, bulges and cracks occur frequently as concrete cures and ages. However, before you can begin to lay the floor boards, you must ensure that any damage to the concrete is completely repaired. Flattening osb subfloor for lvp discussion in vinyl. Subfloor prep installation faqs armstrong flooring. You can use your fingers, a screwdriver, or a hammer depending on the size of the area. If you were to remove a cracked tile from concrete, undoubtedly you would see the same crack pattern below. How to prepare a subfloor for tile installation the home depot. Quikrete selfleveling floor re surfacer can even be installed over wood floor systems provided expanded metal lath is installed to the flooring. Installing concrete overlays over a wood surface is tricky but it can be done. If not, your floor covering, which is the solid hardwood, laminate, tile, or other exposed flooring that goes on top of the subfloor, will never be flat and level. What kind of covering can you put over a wood subfloor on an.
All of the movement in concrete is transferred to the tile. Ideal for filling and leveling surfaces prior to installation of carpeting, vinyl floor tile or sheeting, as well as ceramic or mosaic floor tile. This is done by gently swirling a wood float, block, or magnesium trowel over the stiffening concrete. Concrete often has scratches, holes, marks, and drips that create a very uneven surface that cannot be used to lay tile, while wood boards can warp over time.
On woodframe floors, the subflooring provides a continuous structural surface over the floor joists. How to apply concrete over wood a louisville colorado project. Instead, you should install strips of wood on the slab as nailers, 2x4s. If you love solid wood floors and your home rests on a concrete slab, youre not out of luck. Find out how concrete floors are installed over a wood sub floor. The concrete subfloor must be sufficiently strong to safely support the flooring, furniture, and people in the room. Can i install hardwood floors not floating on a concrete floor. To keep this type of flooring resilient against wear and tear, you must install it correctly before its used.
Jan 07, 20 patch and level a concrete subfloor preparing the concrete floor. A new layer of 58inch or 34inch tongueandgroove plywood subflooring is like adding a new subfloor over the old to create a stiffer, flatter surface for any type of finished flooring. Installing overlays over wood surfaces the concrete network. How to prepare a subfloor for vinyl flooring home guides. Quikrete fastsetting underlayment and quikrete self. Outdoor rubber flooring tiles can be as thin as 14 inch to keep from adding much height to the current deck, or up to 2 inches thick to provide a cushioned surface. Patch and level a concrete subfloor preparing the concrete floor. I would like to know if you can lay concrete on top of this floor. 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. I wanted to use the largest pieces of wood i could fit between the joists under the subfloor to disperse over the largest area possible any weight that will eventually be put.
What kind of covering can you put over a wood subfloor on. In basements and in homes with slabongrade foundations, the subfloor may simply be a concrete slab. Utilizing control joints along long seams or large areas is important. Its best to place the underlayment over 34inchthick plywood fastened with screws at 12 to 16inch intervals to help decrease deflection and add stability. Vinyl is one of the few types of floors that can be safely installed over concrete, wood, or other solid floors. It is too hard to attach securely and does not allow you to install insulation or a vapor barrier underneath. A readytouse patching and leveling compound for smoothing and repairing concrete, wood and masonry prior to flooring installation. Product costs, availability and item numbers may vary online or by market. If the gaps are this big, it seems that buying enough concrete selfleveler will be cost prohibitive. The installation of calcium aluminate cement based selfleveling concrete, param 5500 along with expanded metal lath for reinforcement is a successful fasttrack method to convert a plywood subfloor into a beautiful concrete floor.
Jul 25, 2019 the subfloor is the foundation beneath finish flooring materials. If you rool a ball it will go to one corner of the room. Learn how to prepare a concrete subfloor for hardwood or laminate flooring. Do this several times after you initially pour the concrete. Frankly, stacey, the thought of a concrete over wood floor frightens me badly.
For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between floors. Also, trying to remove the existing subfloor proved a challenge as it appears that there are several layers of. If any damage occurs, you can replace a single tile without having to replace the entire deck flooring. They can be used over precast concrete planks, wood subfloors in multifamily housing, and on slabs on grade in single family homes. I installed the hardibacker using modified thinset and. If youre going over an elevated wood subfloor that requires you to build thicker lifts, consider. Tips on how to protect the floor from water leakage and moisture issues. For the second story a foamed type of lightweight concrete is being used over plywood for sound absorption between.
Cracks in concrete immediately become cracks in the tile. Plan the layout of the plywood sheets so the long dimension of the plywood runs perpendicular to the floor joists. Before you install any flooring material over a concrete slab, it is important to inspect the slab for defects. Reasons for repairing the basic rules of laying laminate flooring dictate that. On wood frame floors, the subflooring provides a continuous structural surface over the floor joists. You can often repair damaged, nonstructural woodsuch as molding, siding, or trimon your home by filling the damaged area with automotive body filler. This board removes excess concrete and brings sand and cement to the surface.
The success of any flooring project depends on how well you prepare the surface before installation. For additional protection, apply a skim coat of asphalt mastic to the slab with the straight edge of a trowel. You can also lightly pat the concrete just after its poured or put into the patch form. The goal is to have a wooden subfloor consisting of two.
Im just focusing on patching the subfloor in this post to keep it simple. May 18, 2014 they can be used over precast concrete planks, wood subfloors in multifamily housing, and on slabs on grade in single family homes. The ultimate guide to laminate flooring underlayment. How to choose the right subfloor leveling techniques. Frankly, stacey, the thought of a concreteoverwood floor frightens me badly. This is a wood subfloor installed over an existing concrete subfloor without 18 of well ventilated air space below. Once the metal lathe install is complete, param 5500 self leveling can be applied up to approximately 12 inch thick. Mar 27, 2018 when direct gluing a wood subfloor over concrete, follow the adhesive manufacturers recommendation for moisture requirements and limitations, type of adhesive, application method, trowel notch type, and spread rates.
Please send us information regarding the proper chemical to use to achieve the proper mix for the lightweight concrete. Subflooring is a structural layer and should not be confused with. How to patch damaged or rotten wood todays homeowner. This will limit the type of flooring you can use over it. Reasons for repairing the basic rules of laying laminate flooring dictate that the subfloor over which it is laid must be completely clean, flat and structurally sound. Flattening osb subfloor for lvp the floor pro community. Once the plywood subfloor is secured, the next step is to install galvanized metal lathe to the plywood subfloor. The installation of calcium aluminate cement based selfleveling concrete, param 5500 along with expanded metal lath for.
How can i pour a concrete floor over a particle board subfloor. Prepping a plywood subfloor for hardwood or laminate flooring. Learn how to install beautiful hardwood floors over a concrete slab. When you discover holes in the wood that is rotting you need to remove all of the rotten wood. Oct 14, 2019 if you have a subfloor that consists of wood on top of concrete, youll need to test both floors. The subfloor is the foundation beneath finish flooring materials. As the filler starts to cure, shape it to conform to the. How to patch and level a concrete subfloor pretty handy girl. How to install a wood subfloor over concrete with screeds. I used a scraper and lightly hammered any spots that sounded hollow underneath to loosen any weak pieces. The floor patch and leveler will remain flexible allowing the plywood subfloor to flex without cracking the filledin areas. Prepping a concrete subfloor for hardwood or laminate flooring. Floated subfloor, alternate subfloor, gluedown sub. 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 18 inch, you will need to install a crack prevention membrane.
We are building a 2story condominium complex with concrete slabongrade. The subfloor should be solid and fixed securely to provide a rigid base. A wellprepared subfloor is key to lasting hardwoods and laminates. Can i install hardwood floors not floating on a concrete. The first step is to put some dead wood underneath the hole so you have a way to secure the patch. Get a comprehensive breakdown on which materials to use, what to take into consideration and what steps to take for four subfloor systems. Installing wood subfloors over concrete hardwood floors. Is it possible to have a polished concrete floor over my wooden subfloor my kitchen is on the main floor of my home but there is a basement below it i would appreciate any help or suggestions you can give me. How to install a wood subfloor over concrete olde wood ltd. Once the metal lathe install is complete, param 5500. While you can install tile directly on concrete, problems erupt when the concrete cracks or shifts. But its considerably more difficult to install a 34in. You should not apply the self leveling compound directly to osb, plywood or any other types of wood based material flooring materials. Naildown subfloor system get 34inch minimum cd exposure 1 plywood subfloor panels, 4foot by 8foot sheets.
How to level an uneven osb subfloor before laminate. Leveling mixes are designed to make smooth surfaces and are most often used on concrete or wood. You can either roll on a liquid latex membrane, or put down a peelandstick crack prevention mat over the entire concrete subfloor. Nobody wants to come across any type of rotted wood, but this situation is made worse when the wood is used for something important like doors and floors. Before you install sheet vinyl, the subfloor must be in good condition. Its what you dont see that is the most important part of a beautiful, longlasting hardwood or laminate floor. As far as the reclaimed requirement i would say thats a nice idea but. The first step to proper installation is to get the subfloor in order.
Dec 19, 2018 before you install any flooring material over a concrete slab, it is important to inspect the slab for defects. May 05, 2015 with wood floor, you generally have to remove more than what you need to patch before you start laying new pieces. How to install a plywood subfloor on a concrete slab hunker. You can use them laid on their side to give less of a rise, or even use.
When direct gluing a wood subfloor over concrete, follow the adhesive manufacturers recommendation for moisture requirements and limitations, type of adhesive, application method. Yes, the particle board can be affected, because it. I am thinking of useing black paper with chicken wire and then put concrete on top. If you can determine that your existing framing can carry that much additional dead load, then definitely rebar and remesh the mesh well or itll crack. If so then you can install new solid wood flooring over it but it would require some fairly thick underlayment or sleepers. If you can avoid it, you should probably not use a leveling compound on a vinyl floor. How to prepare a subfloor for tile installation the home. How to put down flooring on a cracked concrete slab home. It will make a big difference in how the floor feels when you walk it. Tim fisher of fishers concrete of louisville colorado sent over these images of a project he completed applying our param 5500 self leveling concrete over a wood sub floor the first step is to secure the plywood to the floor with screws ensuring the plywood has a tight bond and will not move. For wood based sub floors you must first apply a bonding agent to. I dont think it is a good idea to install raw plywood directly over a slab if avoidable. Speed finish from custom building products is the best quick fairing compound i have used. If you can determine that your existing framing can carry that much additional dead load, then definitely rebar and remesh the.
If you have a large difference from one area of the floor to the other, you could find the appropriate thickness of plywood and install it over the top of the lower portion of the floor. Prepping a plywood subfloor is crucial for hardwood or laminate floors that last. I just completed installing 14 hardibacker over a plywood subfloor in my master bath in preparation for installing 12x12 porcelain tile. How to put down flooring on a cracked concrete slab. This method is easiest if you are dealing with a wood subfloor, but it can be done on top of concrete if need be. Do i need to repair cracks in concrete before laying.
Readytouse, latexbased product used to fill cracks, fastener or knot holes and level low areas in plywood subfloors or concrete surfaces. Oct 14, 2019 prepping a plywood subfloor is crucial for hardwood or laminate floors that last. The wood subfloor must either be solid hardwood flooring, a minimum of. Hi drew if i am not mistaken by the information you are giving me, you are creating a wood subfloor on top of a concrete subfloor. When the adhesive requires, add a moisture control system before applying the adhesive. I happily endorse their entire line of grouts and other products as well. Can i pour leveling compound on existing vinyl floor. You want to remove as much of the decayed wood as possible to start with as much sturdy wood as possible. If your existing deck subfloor is level, you can install an overlay made of weatherresistant composite materials manufactured to resemble real wood or tile. Please note that you may need to level the floor use self leveling mix to do this. Hello at,i am looking to have a polished concrete floor in my kitchen. You can either roll on a liquid latex membrane, or put. Is it possible to have a polished concrete floor over my wooden subfloor my kitchen is on the main floor of my home but.
So one corner may have about 1 12 inches of concrete and the other about 3 12 inches. So, to sum up my recommendation, use a selfleveling underlayment that is acceptable over wood substrates or if you stay with the tec product you have your going to need to put. May 14, 2018 if necessary, add vapor retarder before applying underlayment, especially recommended if 34inch wood flooring is installed over concrete. Sheet vinyl flooring provides a durable surface for hightraffic areas in your home. What is a sleeperconstructed subfloor and why cant i install flooring over this. Before pouring the self leveler there is some prep work required.842 1544 870 1017 1499 1587 482 900 604 1616 54 486 469 471 996 299 1474 171 1419 1219 945 1055 766 154 1201 1285 381 1384 94 1138 71 1051 1297 1408 1062 356 878 724 785 426 539 358