Cut around the damaged area until the membrane rests flat.
Repairing a fibreglass flat roof.
Fitting the new roof decking osb3 oriented strand board is the roof deck of choice for laying a new fibreglass roof onto.
The roof hasn t been properly maintained.
Grp roofing is an excellent flat roofing system.
For most small punctures you can repair your roof simply by forcing sealant into them.
And the problems above will only occur for three reasons.
Your fibreglass roof is starting to look a bit tired but essentially there s nothing structurally wrong with it.
The material is watertight fire resistant and seamless with a 25 year warranty.
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.
We would recommend a different covering such as grp fibre glass.
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.
Preventing fibreglass roofing problems.
This will remove any obstructions and prepare the area for bonding.
Preparing a flat roof for repair.
Once applied it is ready to walk on in 20 minutes.
You don t even have to wait for the sealant to dry just paint it straight on.
If you have any cracks or visible grp pinholes just apply some sealant as a filler first.
Perfect for rejuvenating a fibreglass flat roof it only requires one coat looks fantastic and is incredibly tough once cured.
Acrylic sealant will scrape off and clean with acetone for a permanent repair later on.
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.
The patches and sealant will fix holes and cracks.
When prepping the repair zone it is important to remember not sand down past the fibreglass under layer.
How to install fibreglass roof sheets for flat roof repair.
Cut to size resin on top all bubbles removed.
Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it.
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.
Cracks can also occur from expansion and contraction caused by seasonal extremities.
A 600g chopped strand mat csm can then be laminated into place resin onto roof area to be repaired c s m.
The answer is a restoration coating that will fully protect and restore it for another 10.
The roof was not installed correctly.
Fibreglass flat roof common problems and solutions that work.
Sheets are supplied with primer and topcoata and the tools required for fitting are minimal a brush stanley knife or scissors and rollers.
