How do you fix GRP trim?
Bond the trims into position using polyurethane adhesive, you can either apply small beads at 300mm intervals or a small lines of adhesive under the fibreglass trim and then apply to the roof. The trims can be fixed to the decking board using 15mm galvanised clout nails or staples with a compressed air gun.
Can you overlay a GRP roof?
About Roof Overlay Systems Not all roofs are suitable for an overlay system and only some roofing materials are able to be used as an overlay. GRP (fibreglass) is an excellent flat roofing material but cannot be used as an overlay, it requires brand new substrate.
Can you repaint a GRP roof?
GRP Restoration Coating is a one-coat wonder. It really will restore your grp roof back to looking like new in just one coat. This is NOT just a fibreglass roof paint, it is a fully aliphatic, one component, polyurethane liquid membrane.
Do GRP roofs leak?
GRP is highly water resistant, so it’s not as prone to leaks as felt flat roofs. However, water can still collect on the flat surface of the roof easily. If left there, it can potentially cause leaks and structural issues over time. This is known as ponding.
Why do GRP roofs crack?
The main reason for a GRP roof cracking is due to the roof being poorly installed. During the summer months, heat causes the fibreglass roof to heat up during the day and expand. And the movement which occurs during this process of thermal expansion can cause the GRP roof to crack open.
Do GRP roofs crack?
Fibreglass roofs tend to be extremely durable but, like any roof, over time it can become worn and brittle and this results in cracks and holes appearing.
Can you felt over GRP?
In short the answer is no, while GRP roofing is a versatile system you have to know its limitations and overcoating onto existing felt or bitumen is one of them. The felt or bitumen would inhibit the cure of the roofing resin and would leave you with a uncured mess which would require scraping off and starting again.
How many layers does a GRP roof have?
A ProGRP roof is a wet laid, single ply GRP laminate made up of two layers of catalysed resin sandwiching a layer of chopped strand glass fibre mat.
Can you recoat GRP top coat?
Indeed, recoating a fibreglass roof is a fairly involved process, which requires you to thoroughly sand and clean the existing topcoat, before applying the new layer with precision and accuracy. It’s also important to note that applying a new topcoat is not a magical fix for issues with your fibreglass roof.
How do you top coat a GRP roof?
Sand the area heavily! ideally back to the clear Resin and re-apply some GRP Roofing Resin ensureing all pin holes are filled, you may need to apply a 2nd coat. Before any NEW topcoat is applied ensure a good wipe down with acetone is done to create a surface for the Topcoat to successfully bond to.
Can you walk on a GRP flat roof?
Yes, a Fibreglass Roof can be walked on. Depending on the volume of foot traffic expected for the roof to take, this will determine the weight of matting that should be used in the construction of the roof.
How long does it take for GRP roof to dry?
Ideally, it is best to aim for a curing time of between 20 to 30 minutes. Never use less than 1% or more than 4% catalyst. Never underestimate the effect of temperature. Resins will not cure at or below freezing and will always cure much quicker in direct sunlight.
Why choose cure-it GRP roofing edge trims?
We supply a wide range of Cure-It GRP Roofing Edge Trims suitable for flat roofing projects, offering durability and a long service life. We offer fantastic bulk buying discounts on our Cure-It GRP Roofing Edge Trims to ensure our customers get the best deals each and every time.
What is roofing edge trim?
High quality, durable roofing finishing systems for flat and pitch roof applications. This high quality, durable roof edge trim is manufactured from glass fibre reinforced polyester. These trims will create a neat, unobtrusive and durable finish for the edge of any flat roof. How to Order?
When to use angle trim on GRP roofing laminate?
An angle trim is used when the GRP roofing laminate needs to cover a surface which needs to continue perpendicular to the current level. Additional profiles to assist with GRP roof drainage.
Where do you put flashing on a GRP roof?
Corners and closures We supply a comprehensive range of pre-formed fibreglass corners for GRP roofing applications. Flat flashing is mainly used at the intersection of a pitched roof and flat roof often found on dormers. This trim is fitted to the lowest edge of the roof usually where the rainwater flows into the gutter.