Flat Roof Deck Construction Details

Building a deck over a flat roof is very similar to building a deck over a concrete patio.

Flat roof deck construction details.

From there the flat roof system you choose will determine the materials you apply. 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. Consider geography budget and use for the roof to determine the best option. If insulation is installed below the flat roof deck this is called a cold roof.

The construction of the flat roof is similar to that of the timber upper floor. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. Proper drainage at the edge of the deck must be provided usually with gutters.

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. A note to consider before construction. These decks are often referred to as floating as they are not secured in place as a stand alone structure.

Roof top deck construction.