Flat Roof Deck Construction Details

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.

Flat roof deck construction details.

From there the flat roof system you choose will determine the materials you apply. Roof top deck construction. A note to consider before construction. Special attention must be paid to railing posts and any other penetrations of the roofing surface.

Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. These decks are often referred to as floating as they are not secured in place as a stand alone structure. Proper drainage at the edge of the deck must be provided usually with gutters.

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. They are merely placed on top of another structure. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls.

This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards.