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12.5mm Marmox Shower Niche - 200mm x 400mm (External size - 300mm x 500mm)

12.5mm Marmox Shower Niche - 200mm x 400mm (External size - 300mm x 500mm)
Price: £32.19 (£38.63 inc VAT)
  • Product Code: A1-5430
  • Delivery Time: 1-3 working days
  • Brand: Marmox
  • (Tech. support: 01634835290)
  • Model: 200mm x 400mm
Our ratings on 17-04-2026:
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12.5mm Marmox Shower Niche - 200mm x 400mm (External size - 300mm x 500mm)

Length: 400mm
Width: 200mm
Thickness: 12.5mm

Marmox Shower Niche is comprised of an extruded polystyrene core coated on either side with a thin but robust layer of fibreglass reinforced polymer concrete. It is an elegant way to provide extra space for small shower items. Marmox Shower Niche is fixed to the wall usually on a frame, so that the front lip of the niche is flush with the Marmox Multiboard on the wall. The joints between the shower niche and the Multiboard are sealed together with Marmox Waterproof Tape.

CHARACTERISTICS

  • Made with 12.5mm thick board and fit wall cavities 100mm or deeper,
  • Ready to use, with guaranteed conformity and the size,
  • Ready to tile,
  • Lightweight and easy to work with,
  • Completely waterproof,
  • Provides thermal insulation,
  • With practical benefits and elegant appearance,
  • Fits cavity 100mm or deeper.

INSTALLATION

  • Slide the shelf into the desired position.
  • Use a pencil and mark a straight line to indicate the final shelf position.
  • Screw through the sides of the niche in the areas that are in line with the shelf 
  • Make sure shower niche is screwed fully into the shelf but do not over tighten.
  • For a watertight seal, use Marmox MSP360 Adhesive & Sealant’ or Marmox Waterproofing Tape.
  • Position the niche into the desired area, between the studs (at 800 centres).
  • Use a minimum of a 50mm screw and large washer in all of the corners.

      

Brand: Marmox Model: Corkscrew Fixings
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Marmox Corkscrew Fixings are specialist mechanical fixings designed for securing Marmox Multiboard and other lightweight construction boards to solid substrates such as masonry, brick, blockwork and concrete. Their unique corkscrew‑shaped body allows them to cut cleanly into the surface without..
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Brand: Marmox Model: Kit
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30mm Marmox Multiboard Bath Panel Kit is a simple, ready‑to‑tile solution for creating a clean, professional bath surround with minimal effort. Designed to be easy to cut, shape and install, they allow installers and DIY users alike to achieve a perfectly fitted, fully tile‑ready finish around any s..
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Brand: Marmox Model: 50mm x 90m roll
Delivery Time: 3 - 5 days
50mm Marmox Reinforcing Tape is a elf-adhesive fibreglass tape for reinforcing joints between Marmox Multiboards prior to plastering. 90m rollCHARACTERISTICSGlass fibre mesh scrim tapePrevents movement and cracking at board junctionsEnhances surface stability for plaster finishesQuick and clean appl..
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Brand: Marmox Model: 1.25m x 1m - 1.25m2
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Marmox Waterproof Fleece is a flexible, surface‑bonding waterproofing layer designed for use over Marmox boards, tile‑backer boards, screeds and other stable substrates to create a fully sealed, watertight surface before tiling. It forms part of Marmox’s wet‑room and bathroom waterproofing system, o..
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