42mm Drywall Screws Zinc Fine Thread (1000pcs) Next Day Delivery the floor finish is then

the floor finish is then laid on top of the insulation boards

and energy efficiency

Celotex PIR Insulation is an easy-to-install polyisocyanurate (PIR) insulation board with excellent thermal performance

Its rigid extruded polystyrene (XPS) composition provides the optimal balance of insulation properties and physical strength

cannot replace structural wall or floor panels

42mm Drywall Screws Zinc Fine Thread (1000pcs) Next Day Delivery the floor finish is thenZinc electroplated fine thread drywall screws for fixing plasterboard to metal stud up to 1. 2mm thick. Bugle head, Phillips 2 recess and super sharp point. Twin fine thread for secure grip in light steel. The 3. 5 x 42mm size is well suited to fixing standard plasterboard to metal stud partitions and ceiling channels. Supplied in a box of 1000. Benefits Bugle head profile sits flush without tearing the plasterboard face Super sharp point for fast