Osb Board For Flat Roof

The usual recommendation is that osb 3 or osb 4 bs en 300 should be used in flat roofs.

Osb board for flat roof.

Types of sheathing 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. Osb has almost the same application and usefulness as the plywood it is made from wafers of timber rather than full sheets of veneer. Osb roof panels should always be installed with the grade stamp facing into the attic and the screened surface with the nail guide lines facing up.

Installed correctly allowing falls to roof using per furring. When the grade stamp is covered by roofing the building inspector will not be able to confirm that the correct osb roofing panel was used. Osb sheathing 15 32 cat ps2 10 osb sheathing application as 4 x 8. Osb board a staple in a wide range of construction projects osb board is used for everything for sheeting through to structural sheathing and more.

Ensure that the product has been duly certified by the british board of agrément bba before it is used for your project. Watch this now to learn how to avoid this same pr. Osb a sterling board. With edge support and the same snow load 3 8 inch osb can be used.

Thicknesses range from 5 16 to 3 4 inch and the proper one to use. For pricing and availability. Thermostat 7 16 cat ps2 10 osb sheathing application as 4 x 8. Sufficient thickness 18mml.

Sheets of 7 16 inch thick with no edge support can be used in an area where the snow load is 30 pounds per square foot. Adequate roof membrane showing solid thickness mastic asphalt 20mml integrity using grade taken into consideration. Avoid the errors described when installing this roof sheathing. Impervious to any waters ingress.

Oriented strand board or osb roof sheathing is a preferred material for roofing because of its strength and low weight. A good alternative to ply wood and usually cheaper we stock osb3 board in a selection of sizes.