4.2mm x 40mm Knauf SN40 Aquapanel Rustproofed Maxi Screws (box of 250)

4.2mm x 40mm Aquapanel Maxi SN40 needlepoint screws have been specifically designed for fixing Aquapanel Cement Board to timber and metal frameworks of varying thicknesses. Aquapanel Maxi Screws SN40 are suitable for both wall and ceiling applications in both interior and exterior settings. The Aquapanel Maxi Screw SN40 is appropriate for use with single or double-layer boards on a metal framework, or a single-layer panel on a wooden framework. These screws feature a specialised corrosion-resistant coating, providing guaranteed corrosion resistance for up to 720 hours in a salt spray test.

Usage

• Flush screws, the screw heads install level with the plane of the board
• Screw spacing 250mm
• Distance from edge > 15 mm

Coverage

• Wall: 15 pieces/m2, stud spacing 600/625 mm
• Ceiling: 25 pieces/m2, profile spacing 300/312.5 mm