OSB3 T&G is a precision-engineered tongued and grooved board for use in flat roof decking and flooring applications.
No knots and voids, you get the same high quality with every single board
OSB 3 is a strong, versatile board suitable for structural use in humid conditions, ideal for applications such as roofing, flooring, hoarding, wall sheathing, formwork and long term site hoardings etc
Made up in 3 layers, cross orientated to give maximum strength, and bonded under pressure with waterproof resin
When used externally all faces and edges should be treated with an appropriate preserver