Square / Rectangular Access Doors (with chain)

Square / Rectangular Access door for square and rectangular ductwork

• Rectangular / Square access doors are a required item when fire and volume control dampers are built into ventilation ducting systems.
• Designed to provide rapid access to smoke, fire and volume control dampers or other equipment mounted inside square and rectangular ductwork.
• All door panels are constructed with a double skin that completely encloses a 25mm thick high density insulation.

Key Features

• Easy to install.
• Double skinned construction.
• Manufactured from 0.8mm galvanised mild steel (as standard).
• Encapsulating 25mm 60 kg/m2 Rockwool Insulation.
• 6mm closed cell polyethylene gasket adhered to both inner & outer sub-frame, reducing the risk of air leakage.
• A positive seal is achieved via 1.2mm progressive action cam lock fasteners.
• Radius knock-over tabs, reducing the risk of personal injury when handling.
• Factory fitted safety retaining chain (welded oval link, bright zinc plated mild steel) attached to both door panel & sub-frame.

Available Options on Special Order (Contact Us for Prices – Fast Lead Times)

• 50mm depth door.
• Fire Retardant Option – Encapsulating 25mm 128kg Ceramic Blanket Insulation.
• Fire Retardant Option – 6mm (FMVSS 302) PVC Gasket adhered to both inner & outer sub-frame.
• Material Option – Galvanised Mild Steel.
• Material Option – 304 Stainless Steel.
• Material Option – 316 Stainless Steel