Electric Box Cover for Medium Recessed Meter Box (GRP Architrave Frame)

Versatile Fit: Compatible with Tricel, Medium Permali, and Wavin recessed electric meter boxes
Durable GRP Build: Constructed from Glass Reinforced Polymer for excellent strength, impact resistance, and long life
Weather & Corrosion Resistant: Built to withstand outdoor exposure without rusting or degrading
Complete Kit Included: Comes with frame, door, silicone sealant, fixing screws, key, and carton
Right-Side Hinged: Convenient door access for meter readings and maintenance
Low Maintenance: Wipe-clean surface; can also be painted for aesthetic matching
Simple Retrofit Design: Easily fits over existing boxes without full unit replacement

External Dimensions: 701mm (Height) x 504mm (Width)
Material: Glass Reinforced Polymer (GRP)
Fire Rating: Complies with relevant UK safety standards
Included Components:
1. 1x Frame
2. 1x Door
3. 1x 310ml Silicone Sealant
4. 1x Short-Reach Key
5. 4x ¾” Self-Tapping Screws
6. 1x Carton
Installation Steps:
1. Prepare Surface: Clean the inside of the existing meter box frame
2. Apply Silicone: Run a thick bead of silicone around the architrave edge and into top/bottom corners
3. Fit the Frame: Slide the GRP Architrave Overbox into place.
4. Drill & Fix: Drill 4 x 3.5mm holes in the moulded slots and secure with the provided screws.
5. Attach Door: Hang and close the door using the short-reach key.

Revives Damaged Meter Boxes: An efficient and cost-effective repair solution for aging or broken units.
Long-Lasting Performance: GRP provides outstanding resistance to rot, cracking, and weathering.
Standards Compliant: Conforms with UK fire and safety regulations for electrical installations.
Improves Property Aesthetics: The clean, structured frame elevates the look of your exterior — and can be painted.
Everything Included: No extra parts required — ready to install out of the box.

Q. Is this overbox compatible with all electric meter boxes?

A. This overbox is specifically designed to fit Tricel, Medium Permali, and Wavin meter boxes. Check dimensions before purchasing.

Q. What material is the overbox made from?

A. It is made from Glass Reinforced Polymer (GRP) — known for its strength and resistance to environmental factors.

Q. Is it suitable for outdoor installations?

A. Yes, the overbox is fully weatherproof and corrosion-resistant.

Q. Does it meet fire safety standards?

A. Yes, it complies with relevant UK fire safety regulations.

Q. Can it be painted?

A. Absolutely — the GRP surface accepts exterior-grade paint for custom colour matching.

Q. Is this a temporary or permanent solution?

A. It’s a long-term, durable upgrade that restores function and appearance without replacing the full box.

Product Download: GRP Architrave Overbox Specification Sheet

MeterBoxesDirect