Roof Over Flat Roof

The sleepers aren t fastened in place and the floor floats.

Roof over flat roof. Flat roofs get worn out over time but luckily they re fairly simple to replace and you don t need a lot of experience to get the job done. Also note that a new fully adhered membrane is installed on the original roof deck replacing the one installed 17 years ago is folded down to catch the top edge of the wall water control layer. Flat roofs aren t completely flat and that allows water and ice to slide off easier. Flat roofing is not actually flat.

It has a very low slope between 1 4 to 1 2 inch per foot so that it drains water. As we just covered flat roofs are much less weather resistant than pitched roofs. This could mean flat roofs may not raise the same red flags they used to. Over roof insulation the gable overhang has been cut flush with the wall sheathing.

Flat roofs are hard to replace. Some observers suggest it s harder to replace a flat roof than a traditional pitched shingle roof because of the labor required to remove its layers especially on older flat roofs. Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option a properly installed layover roof can look and function as well. Metal is one of the most popular materials used for flat roof replacement.

Flat metal roofs can last for almost 35 years in ideal conditions. You can also read this post about what factors you should consider before making a flat roof. Further note that the 3 layers of 2 inch rigid. Also after a while all roofs come under strain.

Metal specifically aluminum is known for its durability. Since flat roofs need more maintenance and are more prone to leaks you will need to make sure to fix all leaks and issues before installing a pitched roof over the flat roof. Installing a new roof with siding is the best idea. We will do a quick overview and if you d like to learn more check out our pages detailing each roof type.

Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. Before you put on the new roof you ll need to remove the plies or layers of fabric that make up the old roofing with a spade. Flat roof replacement options. Make sure to wear long protective clothing and safety glasses during.

Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to. Framing the roof place the sleepers. But such a low slope holds snow and water much longer than a steeply pitched roof and therefore needs a very different material to stay watertight. There are many ways you can replace your flat roof and we won t go into detail of all of them here.

We put a flat metal roof over the original flat rook of our 1978 single wide 9 years ago and haven t a single issue and we get quite a bit of snow.