• Roofex Mall

Self-drilling screws

Roofex Mall is a distributor for self-drilling metal screws. Buildex ZACS 4 comes with the ultimate anti-corrosion coating for roof fasteners and cyclone plates. Buildex ZACS 4 fasteners and cyclone plates do not just satisfy AS3566 Class 3, but meet and exceed the proposed A53566 Class 4 specifications. ZACS 4 is a unique coating system comprising of an alloy combination which gives exceptional galvanic protection. The coating thickness exceeds 50 ?m, which is twice the thickness of an equivalent Class 3 product. Twice the thickness doubles the protection and doubles the performance. ZACS 4 should be used in coastal areas where salt, wind, UV and moisture are prevalent, in tropical zones, in industrial areas subject to acid rain fall-out, where agricultural spraying is carried out, or anywhere high performance cladding material is specified. It is particularly recommended for use in moderate and severe marine environments.