Protected Membrane Roof Disadvantages

The slight cost increase 5 to 15 percent is mitigated by much greater durability than with exposed membrane applications.

Protected membrane roof disadvantages.

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. The location of the insulation in a conventional roof system poses a few disadvantages. Virtually all roof membrane systems may be used in a protected configuration. The brands we use are duro last firestone and gaf.

The roofing membrane is subjected to the full onslaught of the weather and has to endure high and low temperatures and a wide range of daily and seasonal temperature variations. Below is an examination of these commercial roofing types the materials and the advantages and disadvantages of each type of roof. Lack of slope or inadequate slope to compensate for deflection of structural elements allows water to pond. When inspecting look signs of the following.

Such flat roof systems have some basic disadvantages. Repairs are part of maintenance due to shrinkage from prolonged exposure to harmful uv rays causing stress on seams and flashing. Sentry roofing installs and repairs flat roofs low slope roofs metal retrofit roofs and membrane roofs. 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.

While epdm roofing has numerous advantages there are also some important drawbacks you ll want to consider before choosing it for your building. The location of the insulation in a conventional roof system poses a few 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. Only about 15 years with a long track record of revisions and improvements due to surface and seam failures.

The system is fairly new to the roofing industry. While epdm roofing can provide adequate protection in many circumstances it is more vulnerable to damage than other materials.