Plywood Flooring Span Tables

Apa performance rated i joists pris are manufactured in accordance with pri 400 performance standard for apa ews i joists form x720 this performance standard provides an easy to use table of allowable spans for applications in residential floor construction allowing designers and builders to select and use i joists from various member manufacturers using just one set of span.

Plywood flooring span tables.

You can also use the wood beam calculator from. 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. For rental accommodation motels and commercial residential floors h3 losp treated plyfloor is recommended. Floor span sheathing span and non span rated plywood underlayment field glued floor system 17 installing the field glued floor system high performance floor finish floors over plywood 20.

Examples of gradestamps for plywood used in various structural applications. Wet area flooring floors in bathrooms laundry spaces kitchens and garages may be exposed to water occasionally. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Recom mended loads for sheathing and flooring applications in these publications directly reflect minimum performance.

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. Recommended loads for sheathing and flooring applications in these publica tions directly reflect minimum perfor mance criteria given in voluntary. Span tables use these tables to determine rafter span ceiling joist span and floor joist span. Use h3 losp treated plywood where the exposure is likely to be regular or uncontrolled.

Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. 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. 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. 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.