Only about 15 years with a long track record of revisions and improvements due to surface and seam failures.
Protected membrane roof disadvantages.
Such flat roof systems have some basic disadvantages.
Lack of slope or inadequate slope to compensate for deflection of structural elements allows water to pond.
Below is an examination of these commercial roofing types the materials and the advantages and disadvantages of each type of roof.
The location of the insulation in a conventional roof system poses a few disadvantages.
What are the problems and disadvantages of epdm roofing.
When inspecting look signs of the following.
When insulation is used directly under the roof membrane solar heat does not readily pass through the roofing system which increases the roof s surface temperature.
Repairs are part of maintenance due to shrinkage from prolonged exposure to harmful uv rays causing stress on seams and flashing.
While epdm roofing can provide adequate protection in many circumstances it is more vulnerable to damage than other materials.
The location of the insulation in a conventional roof system poses a few disadvantages.
The system is fairly new to the roofing industry.
When insulation is used directly under the roof membrane solar heat does not readily pass through the roofing system which increases the roof s surface temperature.
Single ply membrane roofing does not have a hard top layer to protect the synthetic rubber from dropped tools gravel or loose screws from being pushed into the rubber membrane.
Virtually all roof membrane systems may be used in a protected configuration.
While epdm roofing has numerous advantages there are also some important drawbacks you ll want to consider before choosing it for your building.
When inspecting look signs of the following.
This kind of damage could create holes in the rubber and insulation and be vulnerable to leaks.
The slight cost increase 5 to 15 percent is mitigated by much greater durability than with exposed membrane applications.