composite deck over plywood subflooring

Sheathing. APA Rated Sturd-I-Floor32 oc Exposure 1 or 60 32 APA Rated Sheathing Exposure 1. (for joists spaced 24 inches o.c. or less)c. Lightweight. Concrete with. Finish Flooring on Topd. Subfloor panel with or without T&G edges installed on joists. Asphalt paper covers subfloor. Lightweight concrete poured on top.

or on an existing concrete subfloor on or below-grade without 18″ of well ventilated air space . Composite Panel. Association approved grades of particleboard underlayment are acceptable only for use under Armstrong resilient flooring installed by .. Floors in metal deck or structural concrete floors above grade must be.

Before you get started. A subfloor provides a base for a floor covering and is applied to the surface of an existing floor, although in some cases the floor itself may be an appropriate base for the new floor covering. All subfloors must be flat, even, clean and completely dry. If laying flooring on a new concrete floor, make sure it 

ThermalDry Floor Decking is the best subfloor system available for use in basements and over other concrete slabs. More comfort & energy efficiency. A continuous layer The composite board makes an excellent substrate for the finished basement flooring of your choice. If you're investing in basement carpeting, be sure 

At the very base of most floors is a subfloor. The subfloor, often plywood itself, rests on the house's joists. The next layer may be the underlayment (which we are discussing in this article). Finally, there is the finish floor on the top. Examples of finish flooring are ceramic tile, hardwood, and laminate.

Overlay products come in interlocking tiles or strips and, while they are more expensive than some outdoor decking products, they last for years. The caveat here is that your existing wood decking must be in decent shape in order to install the composite product on top. Replace damaged or cupped subfloor decking before 

In the 1980s, Nyblad says, OSB started appearing on sidewalls and roofs, but plywood was still largely used for floors. Plywood tried hard to . “For a typical 2,400 square foot home, OSB will save about $700 if used as the subfloor, sheathing, and roof decking instead of plywood." OSB Cons. LP Building 

Deck Preparation. A fiberglass deck is only as strong as the subfloor it is laminated too. Substrate must be clean, dry and smooth. A minimum of ¾” ac sanded plywood is ideal. You can also use 5 8 cdx exterior sheathing as sub floor and use ½” sanded ply on top. Fiberglass decks need to have a minimum of 3 16” per ft 

Product Details

Product List