Roof Deck Construction Details

Download free high quality cad drawings blocks and details of roof and deck insulation organized by masterformat.

Roof deck construction details. If you want the decking surface to be level the sleepers will need to be tapered to compensate for the slope in the roof deck. 2 x 8 framing and joists. Special attention must be paid to railing posts and any other penetrations of the roofing surface. They are merely placed on top of another structure.

The roof deck should be properly flashed with a highly durable material that is compatible with the deck material copper lead epdm etc where it adjoins the house. The decking sits on 2x sleepers usually laid flat. These decks are often referred to as floating as they are not secured in place as a stand alone structure. These decking boards run perpendicular to the rest of the decking creating an eye catching design.

When a roof deck has a center drain the framing layout and sheathing installation become more complicated. This in depth section will teach diy builders to frame a deck from installing a ledger board and frost footings to framing the perimeter of the deck. For larger decks you can install parting boards also called pattern boards in the middle of the decking. Deck flooring construction for rooftop decks.

For a large deck where flat sleepers are too thin to taper you can use 2x4s or 2x6s set on edge. The basic deck construction for this project consists of. The foundation and 4 x 4 posts. 2 x 10 beams.

Proper drainage at the edge of the deck must be provided usually with gutters. 2 x 4 diagonal bracing.