Pitched Roof Over Flat Roof

However flat roofs require much more aggressive and consistent maintenance than a pitched roof.

Pitched roof over flat roof. A common question you get during your home inspections is whether flat roof cost vs pitched roof cost is less desirable than sloped roofs. Flat roofs also don t last as long. These are generally difficult in maintenance as they require special materials to avoid leaks. It is a significant renovation if you are converting from flat to pitched.

Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one. If you have a high rise building converting your flat roof to a pitched one may not be applicable. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles. Flat roofs are not perfectly flat in reality they need a small slope for water runoff.

Unlike sloped roofs flat roofs are susceptible to ponding water. Low pitched roofs have the pitch below 4 12 33 3. Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes. Generally these roofs have a pitch from 1 2 12 to 2 12 from 4 2 to 16 7.

I ve never been a fan of flat roofs seems like having water sitting on a tiny pitch is a recipe for disaster anyway we ve a flat roof single storey extension with a couple of problems or three water is finding its way into the inside of the chimney might or might not be a problem with the roof could be higher up the chimney etc. Pitched roofs cost more than a flat roof and also take longer to install. Flat roof or pitched roof. Both your personal requirements and the needs of your property will sway your decision either way so it s vital to do your research first.

Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project. However in exchange for the added expense you will receive a roof that boasts a longer lifespan thoroughly effective water drainage and a more. This is because it is a more complex design than a flat roof that requires increased labour and additional materials. A 900 square foot flat roof in the san francisco area made of concrete tiles costs.

When it comes to the disadvantages some property owners are being pestered by leaks. You love this question because it gets at the logic that can be employed to see how a given house design will predict required maintenance. Whether you re building a home from scratch or replacing your roof with a brand new design the first you ll need to weigh up the pros and cons of both flat roof and pitched roofs. Flat roofing systems come with benefits and drawbacks.

While that s the easiest route it s certainly not your only option. To get rid of ponding water problems.