Grp Roof Delamination

Fibreglass grp roofing.

Grp roof delamination.

The steps outlined below are for a standard flat roof repair. A flat roofing system comprising of a cure it grp laminate with cure it topcoat when tested to bs 476 3. The roof must be laid onto a dry deck in dry conditions at a temperature not below 5 c. The resins and top coats should be suitably for use in roofing.

Repairing a delaminated roof. Surveys were carried out and delamination was allegedly found to be. 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.

In particular it was alleged that the inner skins of the grp panels were coming apart from the aluminium honeycomb core. 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. Now because i installed the roof myself i know it was done by the book and the weather and materials were ideal so it was a bit of a mystery i have to say. A properly laid glass fibre grp roof will last for at least 30 years with no measurable deterioration.

The best fix in most situations is to simply replace the delaminated material with new membrane. This is a liquid roofing system which uses fibreglass matting topcoat and resin to form a waterproof barrier. Delamination of the grp panels had been observed during installation on the casino and mice building roofs. For the purpose of this article we will be examining how to repair a fibreglass or glass reinforced plastic grp flat roof.

If a flexible grp roofing system like fibrelast was used. 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. 20 year guarantee roof leaking after just 3 years. Resistance to wind uplift the cure it grp roofing system is fully bonded to the roof substrate.

2004 was designated ext f ab no limitations on use. Fibreglass roof delamination repair or replacement we had an extension built late last year which has a flat fibreglass roof.