Protected Membrane Roof Disadvantages

The brands we use are duro last firestone and gaf.

Protected membrane roof disadvantages.

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. The slight cost increase 5 to 15 percent is mitigated by much greater durability than with exposed membrane applications. When inspecting look signs of the following.

While epdm roofing can provide adequate protection in many circumstances it is more vulnerable to damage than other materials. Sentry roofing installs and repairs flat roofs low slope roofs metal retrofit roofs and membrane roofs. Only about 15 years with a long track record of revisions and improvements due to surface and seam failures. 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.

When inspecting look signs of the following. Lack of slope or inadequate slope to compensate for deflection of structural elements allows water to pond. While epdm roofing has numerous advantages there are also some important drawbacks you ll want to consider before choosing it for your building. Such flat roof systems have some basic disadvantages.

What are the problems and disadvantages of epdm roofing. 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. This kind of damage could create holes in the rubber and insulation and be vulnerable to leaks. The system is fairly new to the roofing industry.

Virtually all roof membrane systems may be used in a protected configuration. The location of the insulation in a conventional roof system poses a few disadvantages.