Can you put plywood subfloor over concrete?
If you’re installing plywood over an existing dry concrete floor, you shouldn’t have any problem. However, a new concrete floor contains a lot of moisture. So, you need to allow it to cure for at least 60 days before even bothering to check the moisture level.
Can you install subfloor in basement?
Subfloors are not always necessary but they are beneficial wherever they can be installed. They only come into play when you want to expand downward and make your basement a warm, livable space. If you don’t plan to use the space, there is no need for a subfloor or floor covering.
Should plywood subfloor be nailed or screwed?
For plywood, wood plank, or OSB subflooring, you can use either nails or screws to secure everything and attach it to the joists underneath. You don’t need to use either screws or nails on concrete subflooring because it is poured as a solid reinforced slab.
What kind of plywood do you use for a basement floor?
Softwood Plywood
What Kind Of Plywood is Perfect for a Basement Subfloor? So, if you’re reworking your basement’s sub-floor, you’re going to want to go for the Softwood Plywood. Usually made from the fir tree, these amazing panels are perfect for creating a brand new sub-floor for your basement.
Should you glue down plywood subfloor?
The answer: Glue. Although using a subfloor adhesive (or subfloor glue) is not required by code, it is a standard practice that can help prevent floor squeaks by reducing the chance for movement at the panel-to-joist connection. A quality subfloor adhesive will also increase the overall stiffness of the floor.
Do I need a vapor barrier in my basement floor?
All for lack of an affordable, easy-to-install basement floor vapor barrier. Climate plays a part: In dry climates, contractors often skip the vapor barrier. But in average to humid climates, and anywhere ground water is abundant, an impermeable vapor barrier is essential.
Does plywood subfloor need moisture barrier?
Manufacturers Require a Vapor Barrier Your plywood subfloor may look dry, but after you install the flooring, moisture can migrate up through the subfloor and penetrate the flooring, and the results are usually disastrous.
How do you fasten subfloor to concrete?
To nail down the subfloor, always use a mechanical system such as a powder load or pneumatic pressure nail gun. Beginning at the center to prevent bowing, fasten the subfloor using a 12” x 12” grid on the interior and every 6-8” along the perimeter (2” from the panel edge).
What do you put under plywood subfloor?
Plywood is only one type of underlayment. Other common types include cementboard or tile backer (used under ceramic or stone tile), foam underlayment (used under laminate and engineered wood “floating” floors), and rosin paper (used under solid hardwood flooring).
How thick should subfloor plywood be?
The minimum thickness of plywood for subflooring is about 5/8 inch. Since it does not hold fasteners as well as plywood, OSB must be a little thicker, or at least 23/32 inch.
Does plywood need expansion gap?
APA recommends a 1/8-inch space between panel edge and end joints. Plywood and oriented strand board (OSB), like all wood products, will expand or shrink slightly with changes in moisture content. If the wood structural panels are tightly butted, there is no room for expansion and buckling can occur.
What plywood should I use for a sub floor?
Plywood. Plywood is a type of wood made by gluing several layers of wood veneer together.
What is the best material for a subfloor?
– FSF. It is glued with phenol-based compounds. This gives maximum moisture resistance. – FC. Uses urea adhesives. The finished product has a low moisture resistance. – FB. Produced with bakelite varnish. – FBV. An analogue of aviation, but for products they use water-soluble bakelite mastic. – FBA. The veneer is glued together with albumin-casein glue.
How to install Schluter Ditra on plywood subfloor?
– Foxtail brush – Utility knife – Chalk line – 1/8″ notched trowel – Flat trowel – Grout float – Buckets (for mortar) – Corded drill & mixing paddle
How to lay a plywood subfloor Part 1?
Acclimate the underlayment. Store underlayment in the room it will be installed in for 72 hours before the actual installation.