POLYXPAND™ – SKYLIGHT FIXING FASTENERS
• True Australian AS3566 Standard
Hex Washer Flanged Head:
Separate EPDM steel bonded washer NOT required. (No risk of leakage)
• Thermoset 100% EPDM BAZ washer:
√ Weathering Resistant (UV / Ozone / Acid)
√ 100% Leak proof sealing
√ Perfect fit under hex washer flange
√ Optional metal washer add-on
√ Shock absorbing (for high wind areas)
• Creates a 10mm dia. thermal expansion hole for plastics.
• Winged Drilling Tip:
Wings break off once in contact with the steel purlins,
keeping the plastics sheets securely fastened.
¡Incorrect screws create stress cracks and thus leakage on Polycarbonate or other Plastic Sheets.