Structural Plywood Flooring Span Tables

Roof rafter span use this table to determine the maximum lengths of roof rafters based on species and grade of lumber spacing dimensions load and slope.

Structural plywood flooring span tables.

Floor span 16 oc 0 594 0 625 20 oc 0 594 0 625 24 oc 0 719 0 750 32 oc 0 875 1 000 48 oc 1 125 a the values in this table correspond with those published in the 2005 edition of the af pa american wood council s commentary national. Floor span sheathing span and non span rated plywood underlayment. Plywood flooring product identification code nominal thickness mm grade length mm width mm coverage per sheet m2 sheets per pack weight per sheet approx kg domestic flooring commercial flooring 15 30 5 15mm cd 2400 1200 2 88 35 24 2700 1200 3 24 35 27 17 24 7 17mm cd 2400 1200 2 88 32 26 2700 1200 3 24 32 30 19 30 7 19mm cd. The span rating on apa rated sturd i floor and apa rated siding panels appears as a single number.

View joist rafter tables. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Block if the floor is being used as a diaphragm for lateral wind and. Edge ecoply structural plywood.

Floor joist spacings table 2 product identification code nominal thickness mm grade length mm. Table 9 1 in span tables for joists and rafters figure 5 gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1 5 inches. Load span tables for ps 1 plywood apa the engineered wood association number z802k march 1998 load span tables for specific wood structural panel applications are included in several apa publications. Apa rated sturd i floor panels are designed specifically for single floor combined subfloor underlayment applications under carpet and pad and are manufactured with span ratings of 16 20 24 32 and 48 oc.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Load span tables for apa structural use panels number q225g february 2011. Spacings determined to meet a deflection limit of span 200 ewpaa method. The tables permit a bearing length of up to 3 5 inches but since 1 5 is probably the worst case that you ll encounter for joist or rafter bearing it s a safe value.

Table 1d applies to apa rated plywood structural i sturd i floor. Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd i floor respectively. Floor joist span use this table to determine the maximum lengths of floor joists based on species of lumber joist spacing and joist size. Recommended loads for sheathing and flooring applications in these publica tions directly reflect minimum perfor mance criteria given in voluntary.