Disadvantages 1. Installation Cost Yes, we said cost was also an advantage of EPDM. It is true that ballasted EPDM systems are relatively inexpensive roofing systems when compared to others. However, fully adhered or mechanically attached systems are slightly more expensive that EPDM’s thermoplastic...
The valley rafter is installed along the line of intersection and supports the roofing material on both sides of the valley. It is typically a shorter rafter that runs perpendicular to the common rafters and may be cut at an angle to match the pitch of the sloping roof. The design and ...
Nevertheless, the benefits of fiberglass sheets far surpass the disadvantages. These benefits include: Fiberglass is lightweight and very strong at the same time. It can be stronger than steel so it will be easier to use fiberglass in place of steel because it requires less manpower and it’s...