Flat metal roofs can last for almost 35 years in ideal conditions.
Roof over flat roof.
There are many ways you can replace your flat roof and we won t go into detail of all of them here.
Also after a while all roofs come under strain.
Metal is one of the most popular materials used for flat roof replacement.
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.
Flat roof replacement options.
But now flat roofs often are constructed with fewer layers because of improved waterproofing technology.
Flat roofs aren t completely flat and that allows water and ice to slide off easier.
Either way the roofing has to be right.
Metal specifically aluminum is known for its durability.
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.
Flat roofing is not actually flat.
As we just covered flat roofs are much less weather resistant than pitched roofs.
Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof.
Make sure to wear long protective clothing and safety glasses during.
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.
Framing the roof place the sleepers.
Plus it has the added advantage of reflecting heat from the sun which keeps energy costs down.
Flat roofs are hard to replace.
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.
Over roof insulation the gable overhang has been cut flush with the wall sheathing.
The sleepers aren t fastened in place and the floor floats.
You can also read this post about what factors you should consider before making a flat roof.
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.
Further note that the 3 layers of 2 inch rigid.
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.
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.
Installing a new roof with siding is the best idea.
Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to.
We will do a quick overview and if you d like to learn more check out our pages detailing each roof type.
