Fiberglass Roof Trims
Fiberglass GRP Roofing Trims
Essential for a professional neat finish to any roof, although the trims are nearly identical from supplier to supplier quality does vary a little even for exactly the same trim. You may find this alone sway’s you toward buying from a particular fiberglass supplier.
When giving sizes or dimensions of GRP trims below, the top mating surface of a trim that’s either nailed or glued with PU adhesive to the decking, will be referred to as the flange.
Fiberglass GRP Drip trims
Used to direct water from the flat roof at the lowest point into guttering or an outlet, also used around bay window roofs as a drip in some circumstances.
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A170 drip trim – The smallest size of the dedicated drip trims the dimensions are : Length 3m – Drop 65mm – Flange > 80mm – Curl 10mm
A200 drip trim – The mid size of the drip trims the sizes are : Length 3m – Drop 90mm – Flange > 80mm – Curl 10mm
A250 drip trim – the largest of the drip trims the dimensions are : Length 3m – Drop 140mm – Flange > 80mm – Curl 10mm
AT195 EX – Although not technically a drip trim it lends itself to situations like that of simulating lead bay drips, size as follows : Length 3m – Drop 70mm – Flange > 100mm
Fiberglass GRP Raised Edge Trims
The raised edges are used to keep water on the roof and direct it towards the lowest point, normally an outlet or drip.
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B230 raised edge trim – The smallest of the dedicated raised edge trims the dimensions are : Length 3m – Visible face 105mm – Flange > 100mm – Curl 10mm
B260 raised edge trim – The mid size raised edge trim, the sizes are : Length 3m – Visible face 125mm – Flange > 100mm – Curl 10mm
B300 raised edge trim – The largest of the raised edge trims, the dimensions are : Length 3m – Visible face 175mm – Flange > 100mm – Curl 15mm
GRP Wall Fillets and Up Stands
Wall fillets or upstands are a way of creating a waterproof return to an abutting wall, walls or fascia. The D260 is a dedicated example of this and is normally used to hide the recommended 25mm gap left between the roof deck and brickwork.
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D260 Wall fillet – The dimensions are : Length 3m – Height 150mm – Width 120mm. Can also be paired with the C3 corners below.
C3 External and C3 Internal Pre formed corners – These provide greater strength when going around corners and avoid the need to create mitre joints. Made for the D260 wall fillet.
AT195 INT – The AT195 internal trim is also very good at creating an upstand against walls as it has a very slight obtuse angle and can easily hide an 10mm gap behind it if needed.
Internal and External GRP Roof Trims
The AT195 Internal and External fiberglass trims can be very useful for many roofing jobs like, drip trims, upstands, lining internal box gutters, providing small expansion gaps and returns for abutting walls. The AT195 Int and Ext can vary in quality from different suppliers.
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AT195 INT angle trim – Slight Obtuse angle – Size 70mm by > 100mm
AT195 EX angle trim – Slight Acute angle – Size 70mm by > 100mm
GRP Flat flashing’s
Many uses such as Slipping underneath slates or tiles where stripping may not be easy, sliding underneath air conditioning units without removal, gutter lining or continuous flashings under the junction between pitched roof and flat roof etc.
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F300 flat flashing – Sizes are : Width 300mm and sold by the meter up to 20m Long
F600 flat flashing – Size : Width 600mm sold by the meter up to 20m
GRP fiberglass Soffit Trims Edge Trim
Used for capping or encapsulating situations like the edge of a flat concrete roof for example.
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S500 Soffit trim – The dimensions are : Length 3m – Visible face 200mm – Flange 90mm – Bottom return 80mm
GRP Corners and Trims
Used to provide a sturdy backbone to roofing trims at corners and returns.
C2 Fillet trim – Available left and right handed and compatible with A200 B260 and D260
Upstand Height 120/140mm
C1 and C4 moulding – Available in both Internal and External profiles for A200 and B260 trims
GRP Simulated Lead Flashings
Fiberglass flashings are a fast and cheap alternative to lead, bonded into place with PU adhesive with 150mm ( 6″ ) overlaps.
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C100 and C150 simulated lead flashing – Length 3m and Depth 100 and 150mm – Wall ( chase ) penetration 35mm
GRP Gutter Trim and Expansion Joint
Used to form a gutter or trough, sometimes in a roof or used as an expansion joint in a roof that is in excess of 50m2. The E280 raised ridge roll can also be used for expansion if needed.
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G180 Gutter trim / Expansion joint – The dimensions are : Length 3m – Flanges 30mm – Trough depth 15mm – Gutter width 80mm – Overall width 160mm
GRP fiberglass Mopstick Roll and Raised Edge Roll
The E280 and raised ridge roll and E35/40 simulated roll are used to give the appearance of a lead mop stick and to provide expansion points. 3 meter lengths.
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E280 – sizes are : Flanges 90mm – Roll height 50mm ( also compatible with C5 roof ridge closure) – E35/40 Sizes : Flanges 20mm – Roll height 40mm – Roll width 35mm ( also compatible with C6 )
GRP fiberglass Rolled Rid Closures
The C5 and C6 rolled rib roof closures, used to close the ends of the E280 and E35/40 trims and give the dressed lead appearance of a mopstick.
C6 – Compatible E35/40
For low cost high quality fibreglass roofing materials – East Coast Fibre Glass Supplies
Also see…
- How to Mix Resin and Topcoat
- How to Fibreglass a Bay Roof
- How to Lay the Fiberglass Laminate
- How to Fibreglass a Roof
- Fibreglass Problems and FAQ’s