Grp Roof Delamination

A flat roofing system comprising of a cure it grp laminate with cure it topcoat when tested to bs 476 3.

Grp roof delamination.

Delamination is the separation of layers of fiberglass cloth and resin from each other or from the core sandwiched between the layers. The cause of delamination is usually physical stress to the fiberglass surface. Repairing a delaminated roof. Resistance to wind uplift the cure it grp roofing system is fully bonded to the roof substrate.

This can be caused by a wide range of problems including applying the materials on roof decking not specified for use with the system ie plywood or chipboard instead of osb3 damp roof deck at the time of lamination or incorrect catalyst ratios. The best fix in most situations is to simply replace the delaminated material with new membrane. 2004 was designated ext f ab no limitations on use. The roof was boarded in exterior ply and this got wet prior to the fibreglass being applied although the contractor dried it off with a blow torch type device.

F aa rating is available with the exposed aggregate finish. Finally roofs on special purpose buildings that generate significant levels of humidity such as freezer facilities or indoor swimming pools are inherently prone to delamination. This ruptures the surface skin and allows water to enter the laminate and migrate into the core. 3 torch on roof repair or grp fibreglass finish.

If a flexible grp roofing system like fibrelast was used. We had an extension built late last year which has a flat fibreglass roof.