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Corston Single Render Trim
Corston Single Render Trim
Corston Single Render Trim

Corston Single Render Trim

SKU: 9mm 32801

Add this trim to our single back box so you can render it into the wall. It’s the best way to get a perfect flush finish. It raises the box 9mm away from the wall for thicker renders (use our 3mm trim for skimming).

This product is no returnable.

Available in delivery or click&collect. Click here and ask for a quote!

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£2.40 EX. VAT

  • The price shown is for 1 metre of cable. Enter the number of metres you want to buy.

Description

  • Made from recycled and recyclable post-consumer plastic
  • Fire retardant

Additional information

Brand

Frequently asked questions

A metal back box is a metal enclosure used to house electrical sockets, switches, and other electrical fittings. They are installed within walls and provide a secure and stable mounting for the electrical components.

Common sizes for metal back boxes in the UK include:

  • Single gang: Typically 86mm x 86mm, used for single switches or sockets.
  • Double gang: Typically 146mm x 86mm, used for double switches or sockets.
  • Depths: Usually range from 16mm to 47mm, with common depths being 16mm, 25mm, 35mm, and 47mm.

Yes, metal back boxes must be earthed to ensure electrical safety. They typically have an earth terminal to connect the earth wire from the electrical circuit.

Metal Back Boxes: More robust, provide better protection against fire, and are often required by building regulations for certain installations.

Plastic Back Boxes: Easier to install in drywall or plasterboard, non-conductive, and do not require earthing.

Knockouts are pre-scored sections on the back or sides of a metal back box that can be easily removed to allow for cable entry. They are designed to be punched out using a hammer and screwdriver or pliers.

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