Osb Flat Roof Deck

Suitable for use with all bauder systems wood particle board chipboard.

Osb flat roof deck.

Osb is widely used as roof decking material. Ordinary chipboard is not recommended as it may absorb moisture when damp and lose its structural integrity. Panel selection should be made according to the category of use given in table 1 below. Osb used for flat roof decking should be type osb 3 or osb 4 conforming to bs en 300.

Osb flat roof decks should be designed in accordance with bs 6229. Typical types of wood used for roof sheathing are oriented strand board known as osb and plywood the most popular being osb. Osb comes in 4 by 8 foot sheets as does plywood but the manufacturing process allows the production of longer and wider ones. A homeowner recently wrote and asked me the following regarding osb roof decking.

When designing a roof using smartply osb roof panels a deemed to satisfy approach may be employed using tables and design guidance for domestic roof applications given in bs 8103 3. Thickness and fixing recommendations are similar to those for plywood. With edge support and the same snow load 3 8 inch osb can be used. 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.