Croco A -fastener is used to fasten the single ply membrane roof covering when fix-layer is steel, concrete or wood. Head diameter is 50 mm with four studs. The studs increase the tear resistance. Used together with concrete nail or metalscrew. The lenght of the fastener is chosen according to insulation thickness and lenght of nail or screw.
Croco A -fastener comes in 11 different lengths from 20 to 200 mm.
Price for 100 pcs. 1 box - 500 pcs.