Finding a leak in a sea of gravel can be very difficult even more difficult if the gravel has been set in a layer of hot asphalt.
Gravel on rubber roof.
We have been installing rubber roofs over gravel for over 20 years.
Punctures can also occur in a rubber roof but all of these defects can be easily repaired by a roofer skilled in epdm roofs.
Most people refer to a flat roof as a rubber roof.
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.
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.
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.
No additional gravel on the roof is required.
Rubber roof installation over a gravel roof video showing how we do it.
However rubber roofs have many inherent.
Every modified bitumen torch down roof comes with a 40 year warranty.
Once made of tar paper these types of roofs gradually are using more advanced materials such as fiberglass membranes.
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.
Owens corning deckseal sa sbs cap 39 375 ft w x 32 833 ft l 100 sq ft shasta white roll roofing.
Gravel is an excellent fire.
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.
The main reason for such popularity of rubber roofs is the lower initial price tag.
Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone.
If you are considering replacing an old tar and gravel roof make sure to consult a qualified roofing contractor to explore your best options.
The gravel or stone that is between the old roof and the new rubber membrane we have installed serves as insulation.