Description
The Castellated Cladding Joist Screws are high‑strength fixings designed specifically for securing composite joists in slatted cladding installations. Made from durable, corrosion‑resistant steel, these screws provide reliable structural hold and long‑term stability in all exterior conditions. Supplied in a 40‑pack, they offer the ideal quantity for both small and medium‑sized projects, ensuring a secure, professional‑grade sub‑frame for your cladding system.




