Parts Of A Flat Roof Structure

It is the lower part of the roof that extends beyond the side of the house.

Parts of a flat roof structure.

Gutters are vents that carry away the trickled rainwater. The rafters and trusses are connected to the ridge board for a cohesive framework. The roof covering or roofing which is provided over pitched roof could be in the form of tiles slates a c. Most residential homeowners think of their roofs as consisting of just a single part.

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. The structural component that supports the roof cover is called a roof deck. A composite decking made of solid materials. A roof deck and roof cover form the two main parts of a roof structure.

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. 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. From there the flat roof system you choose will determine the materials you apply. 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.

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. Rake is an inclined edge of a roof on top of a wall.