Appleby SB637 Dual 35mm Dry Lining Box – Pack of 4

The Appleby SB637 Dual 35mm Dry Lining Box is a high-quality enclosure designed for secure installation of two-gang electrical accessories in plasterboard and cavity walls. Its large front flange prevents slipping into the cavity and matches the profile of accessory front plates for a professional finish. Manufactured from flame-retardant thermoplastic and reinforced with tough yellow nylon lugs, this dry lining box offers strength, safety, and long-lasting reliability. Supplied in a pack of four, it is perfect for both domestic and commercial use.

Key Features

• Dual (2-gang) dry lining box with large flange to prevent slipping into cavity
• Made from flame-retardant thermoplastic for safety
• Yellow nylon lugs with large bearing faces for superior strength
• 2 side knockouts plus 1 x 25mm base knockout for flexible cable entry
• Optional brass earth terminal available
• Compatible with acoustic or fire-rated solutions (contact Technical Services for details)
• Dimensions: 168mm x 83mm x 36mm
• Cut-out size: 158mm x 73mm

Why Choose the Appleby SB637?

The Appleby SB637 Dual Dry Lining Box is designed for professional installations requiring strength, safety, and a secure fit. Its flame-retardant construction and reinforced lugs ensure reliability, while the multiple knockout options allow for versatile wiring. Supplied in a practical 4-pack, it is ideal for electricians and contractors looking for dependable dry lining solutions.

Downloads & Resources

View the Installation Boxes & Enclosures Catalogue

Appleby SB637 Dual 35mm Dry Lining Box – a safe, strong, and professional-grade solution for double-gang installations in plasterboard and cavity walls, supplied in a 4-pack.