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Kalzip has gained BBA Certification for it Falzinc and AluPlusZinc materials (certificate number 08/4571). Both these ranges are manufactured using a core of saline-resistant aluminium alloy electroplated on both sides with a thin layer of zinc and phosphate. The process provides these materials with the performance benefits of aluminium combined with the pre-weathered mid-grey appearance of zinc, while eliminating most of the corrosion problems associated with it.

Sandtoft Roof Tiles has published two bochures, one on its Goxhill range of handmade tiles and the other on its Humber series of double-cambered, machine-made tiles which are suited to complex roofs or vertical cladding. The brochures include technical data as well as information on complementary fixings and accessories.

Marley Eternit has received BBA certification for its range of Dry Fix Systems, including the dry ridge, dry verge, dry hip, slate dry verge and mitred hip systems, in one composite certificate. The firm has also published an updated version of its Plain Tiles brochure which showcases all of the firm’s clay and concrete plain tiles, including technical data and design details.

Icopal has published a flat roofing guide advising specifiers, architects and contractors on the range of waterproofing membranes and accessories, including traditional pour-and-roll membranes as well as torch-applied and self-adhesive systems.

Marley Waterproofing has launched a brochure to provide architects, specifiers, contractors and installers with information on its product ranges and accessories, including its flat and pitched roof membranes.