Hex-nut assembly · Reflective Flake · Uniform coat · Roofing detail
Bitumen Sealing Washers
A bituminous sealing compound bonded to a galvanised steel or aluminium disc. On fastening, the compound compresses into every micro-gap — a permanent, maintenance-free watertight seal at every screw point.
- Galvanised steel / aluminium base
- Reflective Flake series — UV & weather resistant
- Sizes M5–M20 · OD 15–50 mm · 1.5–5 mm thickness
- Metal roofing, trapezoidal profiles, cladding & solar mounting
- Zero maintenance — seals for 25–30+ years
