Flat Roof Into Pitched Roof Detail

One of the first things you need to consider before converting your flat roof into a pitched roof is the reasoning behind the transformation.

Flat roof into pitched roof detail.

A pitched roof is more expensive. The process for converting a flat roof into a pitched roof depends on your individual structure and your individual needs there is no one size fits all option. Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. This green roof details post includes excerpts and details from our book understanding architectural details residential.

The starter strip and first row of shingles must be applied 25 cm from the bottom of the slope roof or main roof above the slope transition. A 900 square foot flat roof in the san francisco area made of concrete tiles costs. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Some will choose to keep their pre existing flat roof on their structure underneath the new pitched roof to save removal costs but others might not be able to consider that option.

It is a significant renovation if you are converting from flat to pitched. According to improve net s online roofing calculator a flat roof is significantly cheaper than a pitched roof. Flat roofs can be prone to leakages so if excess moisture is your main concern you may be better off looking for a more durable long lasting epdm roofing membrane. Flat roofs also don t last as long.

For instance where flat roofs are converted into pitched roofs during refurbishment projects because the latter allegedly exhibit better insulation characteristics or where flat roofs are not. While that s the easiest route it s certainly not your only option. Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project. Of course you don t need to live in a modern house to deal with a flat roof.

Armourfix and armourvalley membranes must be installed and extended 60 90 cm up the main roof underneath the shingles in order to assure a waterproof connection. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Introduction to green roof details a green or living roof is a flat or low pitched roof with a layer of planting over the waterproofing.