TechFast Roofing Screw Sheet to Timber Heavy Duty.
Roofing Screws For Sheet to Timber.
Washered Hex Head Screws.
Finish: New 'Elementech' coating for superior anti-corrosion - salt spray tested to 1000 hours.
Slash point enables improved and speedy insertion.
The 16mm rubber washer beneath the aluminium flange expands under pressure and forms a permanent weather-seal.
Designed for fixing cladding and sheet metal to timber frame work.
