Helical Twist Nails – Warm Roof Construction
Staifix Super-8 headed helical nails fix plywood/insulation composite roof panels to joists.
Super-8 Headed Helical Nail for Flat RoofsSuper-8 headed helical nails secure plywood/insulation composite roof decks to timber joists. They are manufactured in three standard lengths which suit panel depths from 85mm to 160mm.For applications with joist centres of either 400mm or 600mm, nails are typically installed at a minimum density of 6.9 per square metre.
The 20mm diameter head simplifies installation.
(panel depth 115-135mm)
(panel depth 140-160mm)