Appleby SB639 Round 35mm Dry Lining Box – Pack of 10

The Appleby SB639 Round 35mm Dry Lining Box is a high-quality, flame-retardant enclosure designed for secure mounting of electrical accessories in plasterboard and cavity wall installations. Featuring a large front flange to prevent slipping and matching the profile of accessory front plates, this dry lining box ensures a professional and secure finish. Supplied in a convenient pack of ten, it is ideal for electricians and contractors working on larger projects.

Key Features

• Large flange prevents slipping into cavity and aligns with accessory front plate
• Made from tough, flame-retardant thermoplastic
• Strong yellow nylon lugs with large bearing faces for added durability
• Includes 2 side knockout entries and 1 x 25mm base knockout
• Optional brass earth terminal available
• Compatible with acoustic or fire-rated solutions (contact Technical Services for details)
• Dimensions: 80mm diameter
• Cut-out size: 63mm diameter
• Suitable for board thicknesses from 6.35mm to 15mm

Why Choose the Appleby SB639?

The Appleby SB639 combines strength, safety, and reliability. Its flame-retardant construction, reinforced lugs, and multiple knockout options make it a trusted choice for dry lining installations. With its professional-grade design and secure fit, it is widely used in both domestic and commercial electrical projects.

Downloads & Resources

View the Installation Boxes & Enclosures Catalogue

Appleby SB639 Round 35mm Dry Lining Box – a safe, strong, and reliable solution for plasterboard and cavity wall installations, supplied in a 10-pack.