GRP Kit Calculator

Step 1 - GRM, Tools and Roof Size

Please enter the actual size of your roof not including extra for waste because will round up to the nearest kit we offer for your size.

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Step 2 - Edges

Please select what is against each edge of your roof so we can package up the correct trims.

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Choose Your Trims

All Trims are 3 Metres Long And Made of 600grm Fibreglass For Durability.

The drop sizes are from the top of boards Down the Fascia, the up-stands are all 35mm.

A170 SMALL DRIP TRIM

Application: Small drip fitted to roof edges to allow Water Run off to drain into gutter. Use with The B230 Raised Edge. The drop is 65mm

A200 MEDIUM DRIP

This A200 drip trim allows drainage into the gutter and the drop is 90mm. This product matches with the B260 raised edge trim and is compatible with corner trims C1 External and C4 Internal.

A250 LARGE DRIP

This A250 drip trim allows drainage into the gutter and the drop is 140mm.This drip trim matches with the B300 raised edge trim and is compatible with corner trims C1 external and C4 internal.

B230 SMALL RAISED EDGE

Fitted to roof edge to prevent water run off. Compatible with A170 drip facia and C1, C2, C4 corner mouldings.

B260 MEDIUM RAISED EDGE FIBRE GLASS TRIM

This trim should be used where water run off is not required.This B260 Raised trim matches the A200 Drip trim with a 90mm Depth and is compatible with corner trims C1 External and C4 Internal.

B300 LARGE RAISED EDGE TRIM

This trim should be used where water run off is not required. This B300 Raised trim matches the A250 Drip trim with a 140mm Depth and is compatible with corner trims C1 External and C4 Internal.

WALL EDGE TRIMS

This comes with D260 wall flashing trim (120mm Upstand and is to be used where a roof butts up against a wall and creates a 45 degree and deflects water) and a C100 simulated lead replacement trim with a waterproof coating. It requires no Top-coating and allows the D260 to float in behind for any expansion.

Own Trims

I have my own trims and do not require you to include trim in my kit