Fibreglass GRP trims
Fibreglass (GRP) edge trims are manufactured in GRP. One side has a high adhesion finish (matt finish), the other side has a glossy finish, always bond to the matt finish.
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Fixing trims
All trims must be fixed with nails or staples to the decking board. With the exception of the F300 Flat flashing and the D260 Angle fillet, the trims must be bonded in place using Polyurethane (PU) adhesive. Silicone sealant or general-purpose mastics are not suitable adhesives for the fixing of trims.
PU adhesive is applied with a skeleton gun to the batten around the perimeter of the roof. A 30mm bead at 300mm centres is sufficient to hold the trims in place. The trims should be ‘rubbed’ into place to ensure a good bond.
Trims are either nailed to the decking boards using a 13mm galvanised clout nail or stapled in place with a gas powered or compressed air stapler. After rubbing the trim into place to ensure a good adhesive bond, hold the trim in place ensuring the face is vertical. Drive fixings in at each end, then in the middle and then at 200mm centres thereafter.
Joining trims
To join lengths of trim together, apply a bead of PU adhesive to the inside of one length of the trim and fit it to overlap the other by 50mm.