Three key assessments of performance have added further weight to VMZINC’s sustainability credentials. The award of a BRE Green Guide A+ rating for the company’s standing seam roofing system on boards was accompanied by the overlapping panel system achieving an environmental profile score of 0.84 UK Ecopoints from the BRE Centre for Sustainable Construction. Further weathertightness tests, following Centre for Window and Cladding Technology procedure, also confirmed that water penetration, wind resistance and impact resistance all far exceed BS EN curtain walling standards.