Can you have a flat roof on a porch?
If the building is large enough, a flat-roofed porch becomes a more attractive option, structurally. Sloped roofs require more material and engineering. But perhaps the biggest advantage to a flat roof porch is the alternative uses to which you can put the space.
Does a flat roof need a drip edge?
Drip edge is not necessary in most flat roof installations. During ice storms, drip edge protects roof line during ice dams that can occur during the winter months. At the bottom of the roof, the edge helps gutters direct water away from your house and foundation.
What are the edges of a flat roof called?
Roof edge (or eaves edge) All the boards running along the edge of the roof or eaves. Also known as a fascia.
Can a deck be built on a flat roof?
Having a deck built on a flat roof gives it fire resistance and high-quality thermal performance. This type of deck also provides your roofing system sound, structural support. It creates a slope for improved wind-uplift performance and a slope for drainage.
How many degrees should a flat roof have for slope?
1-10 degrees
A flat roof is generally any roof with a pitch of 1-10 degrees. That means flat roofs aren’t actually flat. It may look horizontal but often has a minimum slope of 1/4 inch per foot. This allows water to run off the roof to prevent damage.
How many layers can you have on a flat roof?
Asphalt shingles are most often allowed in up to two layers, but no more. For flat roofs, materials such as EPDM and TPO are usually approved for use up to two layers.
Do you need planning permission for decking on a flat roof?
Please note that if you want to build a veranda, balcony, decking area or raised platform in the grounds of a flat then planning permission will always be required. In addition if a building to which it relates is a listed building, then both planning permission and listed building consent would be required.