Osb Flat Roof Deck

When you count sub floors roofs and wall sheathing osb claims about 70 of the wood sheathing market in north america over plywood.

Osb flat roof deck.

Odds are that if you pass a housing development of wood framed houses it will have osb oriented strand board as exterior sheathing. Hi our existing extension is 4 2m by 4 8m. Oriented strand board isn t plywood nor is it a type of particleboard fiberboard or wafer board and although it is a newcomer to a plywood. The thickness of plywood used for roof decking depends on the roof slope the spacing of rafters and the weight of other material to be put over the decking as well as the design load the.

Oriented strand board osb osb is a type of wood panel comprising of timber strands and should be manufactured in accordance with bs en 300. Osb flat roof decks should be designed in accordance with bs 6229. Pitched roof or flat roof. Osb boards used for the deck should be.

It goes up to 50c in summer being. Flat roof deck. Oriented strand board commonly referred to as osb is a type of engineered lumber similar to particle board formed by adding adhesives and then compressing layers of wood strands. The current roof is polycarbonate hipped roof.

A homeowner recently wrote and asked me the following regarding osb roof decking. Tiled pitched roof with velux or flat roof with pyramid lantern. Builders put a new flat roof on the extension to my house in glossop in march 2011 he guaranteed the roof against leaks for 10. Can oriented strand board osb be used for roofing.

Oriented strand board osb osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300. A minimum thickness of 18mm these will be able to span up to 600mm. Wood particle board chipboard. Panel selection should be made according to the category of use given in table 1 below.

With edge support and the same snow load 3 8 inch osb can be used. Osb is widely used as roof decking material. Suitable for use with all bauder systems. One of the nice things about plywood is the variety of options you can buy.

Thickness and fixing recommendations are similar to those for plywood. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb.