Building Pitched Roof Over Flat Roof

Extra costs to plan for in your flat roof conversion.

Building pitched roof over flat roof.

Building a pitched roof over an existing flat roof. 1 apr 2008 messages. It depends on a lot of variables like the condition of the existing flat roof including the state of the joints and the material its made of. The process of changing the pitch of your roof.

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. It ll last longer and i won t then need to worry about replacing it and it ll be warmer. The flat roof typifies modern and contemporary architecture however a flat roof is prone to leak. Flat roofing systems come with benefits and drawbacks.

Always make sure your design gets an okay from an engineer or architect someone who can sign off on the structural integrity before making changes. If the structure contains windows then you ll need a low pitch for example. Slanted roofs which come with 2 angles meeting in the center are known as pitched roofs while the ones with a single slant are known as skillion roofs. Pitched roofs are usually much heavier than flat roofs so an easy replacement may not always be possible.

For instance it may be difficult to build a large gable into a low pitched roof that you install above the flat roof surface. So i m thinking why don t i build a pitched roof on top of the flat roof. If you have a high rise building converting your flat roof to a pitched one may not be applicable. To get rid of ponding water problems.

According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof. Some carry warranties of up to 20 years approaching those for sloped roofing. The slope on a flat roof is too small to shed water and the shallow slope tends to collect leaves and debris that act like dams. A sloped roof is more capable of removing water from the building s exterior and can be an attractive alternative to.

If excessive damage is present you might not be able to do this at all. When it comes to the disadvantages some property owners are being pestered by leaks. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles. If you own a building with a flat roof the first thing your contractor will do is consult a structural engineer to make sure your structure can handle the conversion.

Snow and rain which usually pile up on a flat roof run off the slanted roof thus prolonging the lifespan of the roof. Discussion in building started by stephenstephen 11 may 2017. Fortunately modern materials for covering flat roofs have improved considerably over the past two decades. Build pitched roof over flat roof.