1 x Chipboard Screw Countersunk Head T25 5X120 Thread Length: 70 Zinc Plated

Securing the joists I use VBA screws, chipboard wood screws, T te frais e TF TORX T25 5X120, 70mm thread, zinc-plated steel, for securing the joists together.

Screws allowing me, with placo washers, to fix 80mm polyurethane panels inside a converted attic 120 x 100 panels from Soprema, R=3.4

Assembly of a timber frame wall for a garden shed

I use these screws to fix 60mm thick Steico rigid fiberboard insulation between 20mm lathing and 60x40 rafters. There is also a first 23mm thick batten to go through. I use these screws to fix 60mm thick Steico rigid fiberboard insulation between 20mm lathing and 60x40 rafters. There is also a first 23mm thick batten to go through.