Flat Roof Joining Pitched Roof Detail

This green roof details post includes excerpts and details from our book understanding architectural details residential.

Flat roof joining pitched roof detail.

A simple roof design shaped like an inverted v. The pitched roof was the original and lasted 100 years the flat roof had lasted 20 before it needed re doing. A pitched roof is more expensive. We also replaced the entire pitched roof at the same time.

Pitched is better and lasts longer. 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. Flat roofs also don t last as long. A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another.

Part 3 of the four part guide to roof construction covers pitched roof detail. It is a significant renovation if you are converting from flat to pitched. 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. Lets have a quick look at how to join a roof without an upstand where practical joining onto roofing felt with epdm roofing felt is bitumen based and it can be difficult to get any sort of good bond onto bitumen with anything other than a like for like bitumen product.

A very important detail is where the flat roof is connecting the pitch roof. Gable ridged dual pitched peaked saddle pack saddle saddleback span roof. The result of joining two or more gabled roof sections together forming a t or l shape for the simplest forms or any number of more complex shapes. We have just replaced a flat roof which wasn t possible to change to a pitched roof because of the room above.

Depending on the climate your flat roof will only last between 15 and 30 years if well maintained. Roof ridges and ridge tiles roof hips and hip tiles roof valleys roof verges and lead flashings. Part 1 a guide to roof construction covers an overview of flat and pitched roofs. They had the flat roof done in such a way that they had a barge to go up before they turned it onto the existing roof so when the tiles go back there is a drop from them to the flat roof less would do but water on a windy day is better off the further away it can be from a pitched roof.

To get the most out of it is helpful to also read parts 1 and 2. Pitched roof designing buildings wiki share your construction industry knowledge. However flat roofs require much more aggressive and consistent maintenance than a pitched roof.