No additional gravel on the roof is required.
Rubber roof with rocks.
Rubber roofing is a material made up of a combination of recycled tires slate dust and saw dust.
It typically comes in rolls which are installed in long overlapping sheets on flat roofs but it is also available in shingles that have an appearance like slate tiles.
However it s both heavy and cumbersome increasing maintenance costs.
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.
Modified bitumen roofs are a mix of asphalt and rubber with a layer of gravel embedded in the top layer of material during manufacture to provide uv protection.
Roofer repairs rubber roof using techniques learned 1978 and still uses today.
The main reason for such popularity of rubber roofs is the lower initial price tag.
Modified bitumen built up roofing.
Most people refer to a flat roof as a rubber roof.
Ballasting involves weighing down the roof membrane with rock gravel or pavers.
Rubber roofing epdm single ply membranes is the most common flat roofing system in new england ma ct nh ri etc and the rest of us flat roofing marker.
This is the type of system i like to install best one of the key strengths of a rubber roof is the lack of joints and therefore potential leaks epdm rubber membrane can be cut to virtually any size from one piece without joins up to 15m x 30m.
It works particularly well with black colored epdm if you use a light colored material to avoid absorbing solar heat.
What is rubber roofing.
One piece rubber roof fully adhered.
Types of gravel and tarred roofs there are two main types of burs or tar and gravel roofing systems modified bitumen roofs which are a mix of asphalt and rubber with a layer of gravel on top and ballast roofing which is a different style of larger gravel applied on top of a single ply roofing system.
A rubber roof known in the roofing business as an epdm ethylene propylene diene terpolymer roof has a lot of advantages and only a few disadvantages one of the big advantages to rubber is the cost although a homeowner must use a licensed installer to lay down this roof the cost of the entire job still favorably compares to the cost for other types of roofing.