One Shot timber T17 C4 12x65
- Class 4 T17
- One Shot action prevents polycarbonate buckling
- No pre drilling required
- No special tools needed
- Automatically centres expansion hole allowing sheet to expand & contract in both directions
- Drills, cuts, bites, seals and finishes in once action.
Allow approximately 9 screws per m2.
Suits 5 Rib and Spantuf profiles.