Typically made of plywood or osb and ranging in thickness from 19 32 to 1 1 8 thick the subfloor is truly structural second only to joists in this respect.
Structural plywood flooring thickness.
The national wood flooring association recommends a minimum plywood panel thickness of 7 8 inch for joist spans of 19 2 to 24 inches and a minimum plywood panel thickness of 5 8 inch for joist spans of 16 inches or less.
Multi ply is a catchall term for plywood with seven or more plies.
Apa trademarked plywood is suitable for a variety of end uses including subflooring single layer flooring wall and roof sheathing sheathing ceiling deck structural insulated panels marine applications siding webs of wood i joists concrete forming pallets industrial containers mezzanine decks and furniture.
It is particularly ideal for wet areas where treated flooring is needed.
12mm 15mm 15mm 17mm 19mm 21mm 25mm.
H2 losp h3 acq h3 losp h3 cca c face d back f8 f11 f14.
Cross laminated timber thickness.
Length x width mm a strong durable pre sanded panel suitable for structural and non structural flooring.
The finished floor is then installed on top of the subfloor.
Treated t g flooring is available please check local branch for availability and sizing.
Whilst the information in this guide was accurate at the time of publication it is the users responsibility to.
If your plywood subfloor is too thin it might not cope with the load and it might creak or squeak when you walk on it.
2400 x 1200 mm colours.
The subfloor is the decking installed on top of flooring joists.
Tongue and groove plywood is strong and stable with a pre sanded c grade face panel available in a range of thicknesses suitable for use in structural and non structural flooring.
Plywood with fewer plies is weaker than a plywood with more plies even if they have the same thickness.
2018 disclaimer the advice provided in this publication is general in nature and is intended as a guide only.
The thickness of plywood panels in a subfloor is regulated by the.
Structural flooring non structural flooring.
12 15 17 19 21 25 mm sizes.
This plywood is strong and durable enough for use in roofing framing and other exterior structural projects.