Appleby SB637 Dual 35mm Dry Lining Box – Pack of 10

The Appleby SB637 Dual 35mm Dry Lining Box is a professional-grade solution for securely housing two-gang electrical accessories in plasterboard and cavity wall installations. Designed with a large front flange to prevent slipping and to align neatly with accessory front plates, it ensures a clean and stable fit. Manufactured from flame-retardant thermoplastic and reinforced with tough yellow nylon lugs, this dry lining box delivers strength, durability, and safety. Supplied in a bulk pack of ten, it is a cost-effective choice for electricians and contractors working on larger projects.

Key Features

• Dual (2-gang) dry lining box with large flange for stability and professional finish
• Made from flame-retardant thermoplastic for added safety
• Strong yellow nylon lugs with large bearing faces for superior durability
• Includes 2 side knockouts and 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 is a trusted solution for electricians who need a reliable, flame-retardant dry lining box with excellent durability. Its large flange and reinforced lugs ensure stability, while the knockout entry points provide versatile cable management. Available in a 10-pack, it is perfect for bulk installations where quality and consistency are key.

Downloads & Resources

View the Installation Boxes & Enclosures Catalogue

Appleby SB637 Dual 35mm Dry Lining Box – a safe, durable, and professional solution for two-gang cavity wall installations, supplied in a 10-pack for larger projects.