Secure fixture maximises lifespan of sheets Flexible fixing buttons with screw and cover cap provides a more secure and weatherproof fixing for corrugated roof sheets. Fixing corrugated roof sheets with Corrapol Fixing Buttons reduces the chances of uplift caused by strong winds and maximises the lifespan of your roofing sheets. When tightened to desired pressure the flexible collar creates a tight seal with its cap covers the screw providing a watertight fixing. Features & Benefits Enhanced weatherproofing flexible collar enhances seal Controllable pressure adjustable screw fixing More serviceable easier removal of fixing if needed Choice of colours match sheets and side flashing Better wind resistance less chance of uplift Did you know The Corrapol range includes ancillary products which can help to prevent ingress of rainwater draughts and airborne debris such as leaves. Be sure to check out the Corrapol Foam Eaves Filler Wall Flashing Side Flash...