Apa Plywood Floor Deck Load Tables
Table 1b applies to apa rated plywood structural i sheathing.
Apa plywood floor deck load tables. Unfortunately this is the only sheet i have from the publication. I believe this was published at least 25 years ago by apa and was titled research report 135 plywood composite panels for floors and roofs i ve tried to find the entire report without success. The tables also assume dry conditions normal duration of load and untreated plywood with interior glue. 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.
Duration of load factor j2 for creep deformation for bending compression and shear. B shear through the thickness design capacities are limited to sections two feet or less in width. Examples of gradestamps for plywood used in various structural applications. Uniform load deflection limits are 1 180 of span under live load plus dead load and 1 240 under live load only.
For sanded plywood panels see table 3. Assembly factors g19 for plywood loaded normal to the plane of the plywood panel 51 table 5 12. Table 1c applies to apa rated plywood sturd i floor. The values given in tables 1 and 2 represent the maximum allowable loads without regard to panel type.
Table 1 applies to apa rated sheathing. For 5 ply 3 layer plywood use values for 4 ply plywood. Table 1a applies to apa rated plywood sheathing. The attached table shows ultimate strength of plywood under a concentrated load.
For apa rated sturd i floor see table 2. And impact load resistance and smooth surface for application under several types of finish flooring. When other finish floor products are used builders often install a separate underlayment grade of plywood over the subfloor. Using table 4 these values may in some cases be adjusted upward for specific types of structural use panels.
For other conditions the loads should be appropri ately adjusted using the factors given. Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd. Table 3 applies to sanded grades such as a d and b d. Wider sections may require further reductions.
For instance roof loads based on bending. Apa rated sturd i floor marked ps 1 see table 2. C 5 ply applies to plywood with 5 or more layers. Table 1d applies to apa rated plywood structural i sturd i floor.
The recommendations for roof sheathing in table 34 apply to apa rated sheathing exposure 1 or exterior apa structural i rated sheathing exposure 1 or exterior and apa rated sturd i floor exposure 1 or exterior. Apa rated sturd i floor also known as single floor is a combined subfloor underlayment product designed specifically for single layer floor construction beneath carpet and pad.