Where the two ends of roof sheeting come together at the apex, there is usually a gap, which is covered by a profiled sheet capping. This capping has fillers to give it a snug fit against the sheeting to prevent rain or birds from entering. Found on https://www.reidsteel.com/steel-buildings/glossary/
Where the two ends of roof sheeting come together at the apex, there is usually a gap, which is covered by a profiled sheet capping. This capping has fillers to give it a snug fit against the sheeting to prevent rain or birds from entering.