Parts Of A Flat Roof Structure

The structural component that supports the roof cover is called a roof deck.

Parts of a flat roof structure.

The roof cover is laid over the roof deck. The structural components of roof decking in case of pitched roof is generally a truss in case of curved roof it is a shell or dome and in case of flat roof it is a flat slab. It resembles real wood and particularly strong and stable for bearing heavy load. From there the flat roof system you choose will determine the materials you apply.

Underneath the basics flat roofs are usually constructed with a ceiling nailed to joists which support a deck usually wood in residential construction a vapor barrier insulation and a roof board. It is the lower part of the roof that extends beyond the side of the house. This can be either constructed flat or sloped in the form of truss shell dome or flat slab based on the type of building the structure. A composite decking made of solid materials.

Most residential homeowners think of their roofs as consisting of just a single part. Gutters are vents that carry away the trickled rainwater. Flashing or step flashing is a flat sheet of metal or plastic that is nailed over the cracks between the chimney and the main structure of the house. A horizontal timber or metal resting at the peak of the roof.

However there are several roofing components that combine to form a waterproof protection system for your house including roofing underlayment metal flashing and rooftop sheathing. A roof deck and roof cover form the two main parts of a roof structure.