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SHEERLINE® or QUAD or TRIMLINE®? SHEERLINE® has a flat face and square line for contemporary rooflines. QUAD is the traditional D-profile with the widest range of accessories. TRIMLINE® sits between them. If you're matching an existing gutter, take a photo of the end and email it; if you're starting fresh and the roof is large, size the catchment before you pick the profile.
Profile size. 124mm wide at the base, 141mm high on the face, 81mm at the back against the fascia, with a 25mm top return. The taller face gives the flat architectural line; the lower back sits under the roof sheet. Roll-formed from 0.42mm BMT COLORBOND® steel.
Fall and fixing. Set the gutter with fall toward the outlet so water runs, not sits; standing water is what starts rust and it isn't covered by warranty. Internal clips at 1200mm maximum, closer either side of joins, corners and outlets. Seal joins and stop ends with roof and gutter silicone and rivet them; screws through the gutter floor are a leak waiting to happen.