Repairing A Fibreglass Flat Roof

One of the main sources of damage on fibreglass flat roofs can be grp flashings near abutting walls that leak or cracks splits near board joints trims and or upstands.

Repairing a fibreglass flat roof.

Preventing fibreglass roofing problems. The answer is a restoration coating that will fully protect and restore it for another 10. A 600g chopped strand mat csm can then be laminated into place resin onto roof area to be repaired c s m. Fibreglass flat roof common problems and solutions that work.

The roof was not installed correctly. You don t even have to wait for the sealant to dry just paint it straight on. Once applied it is ready to walk on in 20 minutes. Preparing a flat roof for repair.

How to install fibreglass roof sheets for flat roof repair. The roof hasn t been properly maintained. And the problems above will only occur for three reasons. We would recommend a different covering such as grp fibre glass.

This will remove any obstructions and prepare the area for bonding. The patches and sealant will fix holes and cracks. Grp roofing is an excellent flat roofing system. For most small punctures you can repair your roof simply by forcing sealant into them.

Sheets are supplied with primer and topcoata and the tools required for fitting are minimal a brush stanley knife or scissors and rollers. Roof deck and trim battens this video is part 1 of a 5 part series that takes you through the process of how to fibreglass a flat roof. Permanent fibreglass roof repair this involves a thorough cleaning and sanding of the affected area first with acetone and 60 grade grit paper for a minimum of 75mm 3 around the repair. The fibreglass roof is at the end of its life span.

Cracks can also occur from expansion and contraction caused by seasonal extremities. Your fibreglass roof is starting to look a bit tired but essentially there s nothing structurally wrong with it. Acrylic sealant will scrape off and clean with acetone for a permanent repair later on. Fibreglass flat roof repair.

Use a disc sander to clean down the edges of the repair zone and remove any obtrusive damage material and then clean the area with acetone. If you have any cracks or visible grp pinholes just apply some sealant as a filler first. When prepping the repair zone it is important to remember not sand down past the fibreglass under layer. The flat roof is torch on bitumen with torch on flashing this roof has been patched repaired previously torch on felt roofs have an approximate life span of 10 12 years merely as a covering.

Cut around the damaged area until the membrane rests flat. Sometimes doing that is difficult. Fitting the new roof decking osb3 oriented strand board is the roof deck of choice for laying a new fibreglass roof onto. Cut to size resin on top all bubbles removed.