Flat Roof Sheathing Installation

Of course you don t need to live in a modern house to deal with a flat roof.

Flat roof sheathing installation.

Align the long edge of the sheathing with the ends of the. Snap a chalk line down the line of the rafters on the piece of plywood so you can find the rafters with your nail gun. Avoid putting osb on wet roof trusses. Curved or uneven roof trusses will cause osb roof sheathing to warp or buckle under roof coverings.

Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Nail the plywood around the top outside and bottom edges every 6 inches. 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. You mentioned in another article on gba that venting the top side of sheathing with a cold roof steel roof fastened on battens allowing air flow directly underneath the roofing but on top of the sheathing while at the same time venting underneath the sheathing is incompatible.

The textured surface helps flashing and waterproof underlay stay in place effectively. So even though flat roofs are ideal for drier landscapes in climates with heavy precipitation a properly installed flat roof can be a fine choice for a homeowner especially thanks to ever improving waterproof materials and installation techniques. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. 5 steps to proper roof sheathing installation plywood and osb are ideal materials for roof sheathing systems and following these simple construction steps will ensure optimal performance november 17 2014.

Position the first piece of plywood or oriented strand board sheathing on the bottom edge of the rafter tails at one end of the roof. How to correctly install plywood or osb roof sheathing. Install osb textured side up.