The SecureLap end lapping system by Bondor was used with the PIR insulated roofing installed for the Coles Coomera store.
European end lap systems traditionally used for insulated roofing rely on sealant that can be compromised during installation and even post-installation from expansion or contraction. The resultant water ingress into buildings combined with Australia's harsh climate can lead to corrosion of end lapped sheets due to condensation and movement. This damage is usually not covered by steel suppliers, requiring costly replacement.
Bondor's world-first patented end lapping system, SecureLap takes a multi-layer approach to protection against water ingress and expansion or contraction. Featuring a thick profiled mechanical gasket as well as an integrated roof expansion and contraction slider, Bondor's SecureLap system allows enough height for roof pans to be turned up for blocking water from entering a building.