Flat Roof Plywood

Plywood boards used for the deck should be.

Flat roof plywood.

Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Measure your roof and select an appropriately sized epdm membrane. Why is plywood used in roofing. Zip system panels install fast and stay flat for a roof that looks as good as it performs.

A minimum thickness of 18mm these will be able to span up to 600mm. Roof decking is the material that lies on top of the main roofing structure and the underlayment and roof covering is applied on top. In roofing plywood can be used as roof decking. In roofing plywood is often selected due to its strength.

Double nailed at each joist. Whatever you re working on our range of plywood board contains everything you need at our famously low prices. Unlike with plywood siding the plywood sheet to be used for sheathing should be at least 3 8 inch thick. Zip system sheathing and tape provides a water resistant durable underlayment for many finished roof coverings including metal tile and asphalt shingles fiberglass shingles and cedar shingles.

Most roofs will be sheathed in plywood at least 3 8 inch thick. Home flat roofing plywood sheets. Browse our range of roof boards below and choose between general purpose hardwood plywood shuttering plywood exterior wise spruce plywood sheets and more. Use a measuring tape to measure the length and width of your flat roof.

This minimum will only work if the rafters are set 16 inches apart at most and if the roof doesn t have too much load. Loads will vary with the pitch of the roof. Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max. That will suffice on a roof with rafters set 16 inches apart with minimal roof loads.

Plywood for a roof deck should be of marine grade and suitable for external use to bs en 636 or a bond class 2 or better complying with bs en 314 check. Osb is made of small and fairly rectangular shaped wood chips from small resinous trees which are bonded into a panel form with wax and synthetic resin. That s considered to be the minimum. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.