Hunton Fermacell screws for fiber gypsum 3.9x30mm for wood or steel studs 1000pcs

1000pcs special screws for attaching Fermacell fiber plaster to either wood or steel studs.

3.9x30mm is used for both first and rear layers where layer 2 does not need to adhere to the stud frame as the plate has sufficient support directly in the screw.

Consumption is approx. 13 screws per square meter for walls and approx. 30 screws per square meter for ceilings.