Flat Roof Deck Construction Details

If insulation is installed below the flat roof deck this is called a cold roof.

Flat roof deck construction details.

Building a deck over a flat roof is very similar to building a deck over a concrete patio. These decks are often referred to as floating as they are not secured in place as a stand alone structure. They are merely placed on top of another structure. Special attention must be paid to railing posts and any other penetrations of the roofing surface.

This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. Joists are placed on edge spaced at 400 600mm centres supported by external and internal load bearing walls. 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. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts.

Roof top deck construction. Trada and approved document part a give guidance on sizes of joists for flat roofs relating to spans and loading. The construction of the flat roof is similar to that of the timber upper floor. A note to consider before construction.

Consider geography budget and use for the roof to determine the best option.