For floors expected to be uncovered for long periods greater than 3 months h3 losp treated plywood can be used to reduce the risk of decay.
Plywood flooring span tables australia.
Two spans are assumed for spans greater than 32 inches.
Some discolouration and minor checking of the surface can be expected if plywood is exposed for extended periods.
Plywood will withstand rain and exposure during normal construction periods.
Parellel to span.
Technical diagram on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 850 750 700 700 600 90 x 30 1200 1050 1000 900 850 138 x 30 1700 1550 1400 1300 1200 185 x 30 2000 1750 1600 1550 1400 230 x 30 2000 1800.
For strength axis parallel to supports tables are based on three spans for spans of 16 inches or less and two spans for 24 inches.
Effects of support width have been considered when determining the loads based on shear and deflection.
Span tables f7 rafters a maximum roof pitch of 25 degrees is assumed.
Uniformly distributed imposed live loads kpa panel.
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.
For one span condi tions use the span adjustment factors.
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.
The tables do not apply directly to plywood having a single span.
The tables do not apply directly to panels having a single span.
Australia s leading distributor of building products including structural lvl engineered i joists os brace glulam beams plywood and particleboard flooring decking and outdoor structural timber.