Roof Deck Construction Details

They are merely placed on top of another structure.

Roof deck construction details.

The process of framing a deck includes creating connections between joists beams and support posts in order to build a code compliant deck structure. The decking sits on 2x sleepers usually laid flat. The foundation and 4 x 4 posts. 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.

When a roof deck has a center drain the framing layout and sheathing installation become more complicated. 2 x 8 framing and joists. Roof top deck construction building a deck over a flat roof is very similar to building a deck over a concrete patio. These decking boards run perpendicular to the rest of the decking creating an eye catching design.

Proper drainage at the edge of the deck must be provided usually with gutters. The basic deck construction for this project consists of. Download free high quality cad drawings blocks and details of roof and deck insulation organized by masterformat. For larger decks you can install parting boards also called pattern boards in the middle of the decking.

For a large deck where flat sleepers are too thin to taper you can use 2x4s or 2x6s set on edge. Special attention must be paid to railing posts and any other penetrations of the roofing surface. 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. 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 10 beams. Some deck builders simply frame these decks flat and leave it to me to solve the problem by sloping the base coat of my cementitious coating like a giant shower pan.