Being made of synthetic rubber or polymer they are flexible and elastic and can handle temperature changes and some impact types better than built up roofs.
Roofing layer materials.
A three layer torch down roof features the same base and cap sheets as well as an additional cap sheet with a granulated surface.
The five main types of roofing materials are asphalt shingles cedar shakes concrete or ceramic tiles metal sheets and rubber used for flat roofs.
3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance.
You see them right at the roof s top.
There are two different types of torch down roofing systems.
First on our list is modified bitumen which involves using an asphalt base that comes in multiple layers with each layer getting welded on to the roof.
Your roof type dictates what roofing material you can select.
Flat or nearly flat roofs must be covered with built up roofs such as tar and gravel or more modern counterparts to keep water out.
This is where most of the homeowners will remain focused on materials colors and styles.
These roofs are installed as thin sheet materials 0 030 30 mils to 0 060 inches 60 mils thick and are applied to the roof in a single layer.
On the plus side bitumen does have one of the lowest price tags of all the flat roof materials.
For roofs with a 3 in 12 pitch or less tar and gravel bitumen roll roofing or even metal sheet roofs work well.
A two layer torch down roof consists of one base sheet and one smooth cap sheet.
The asphalt then seals up to prevent any holes that stuff like water could get through.
Shingles are the element that most homeowners are familiar with as it is the layer you can see from the outside of your home and it is an important aesthetic aspect.
Each layer has a specific purpose that when combined with the other components provides protection to your home.
We basically have 5 roofing materials types that are common at the moment.
It is a waterproofing layer made of regular felt stacked above the solid decking board and then completely covered by the shingles or other roofing materials.
An external installation on the roof that uses the vent pipe system to prevent water seeping in and create damage.
Ridge vents are at the top of your roof covered by roofing material but with a gap designed to allow warm moist air to escape from the attic.
Roof covering typically of flat and rectangular shapes and made of various materials such as slate wood flagstone plastic metal and composite materials.