Bathroom Prep Guide

Everything you need to know before starting your project.

1. Demolishion

  1. Remove sanitaryware, sockets, lights etc.

  2. Remove tiles, adhesives, and old coatings

  3. Strip back weak plaster or damaged boards

  4. Lift flooring down to structural base

Key checks:

Substrate must be solid and load-bearing

No loose material or contamination

2. Structural Prep (Noggings & Reinforcement)

  1. Install timber noggings between studs

  2. Reinforce areas for:

    Shower trays

    Basins

    Wall-mounted fixtures

Key checks:

Ensure all framing is rigid

3. First Fix Plumbing & Electrics

  1. Run pipework

  2. Fix shower tray level and secure ( It`s very important to support shower trays edges with additional noggings )

  3. Install waste pipes correctly

  4. Run cables for lighting, fans, sockets

Key checks:

No leaks

Correct falls on waste pipes

Tray is perfectly level

  1. Install 12MM hardwood plywood over the entire floor

  2. Install NoMorePly TG4 Construction Board 1200 x 600 x 18mm

    • Fix using screws + adhesive for joints

    • Stagger joints with plywood

    • Ensure tight T&G connections

    • Floors should be same level with shower tray - 12mm plywood + 18mm cement board

4. Subfloor Installation

Key checks:

No flex or bounce

Boards fully supported

5. Wall Boarding (Moisture Resistant)

  1. Use moisture-resistant plasterboard (green board)

  2. Fix via:

  3. Dot & dab (solid walls)

  4. Screws (stud walls)

  5. Ensure boards are plumb and level

  6. Its important for boards to lay on the floor with stud support underneath to eliminate movement

Key checks:

No gaps or movement

Boards aligned flush

6. Tape & Jointing / Plastering

  1. Apply skim tape on joints / screw holes

  2. Apply coat of compound or plaster

  3. Sand smooth (If tape & joining )

Key checks:

No visible joints

Surface feels completely smooth

“Ready for Paint finish”

7. Let the surfaces dry

  1. Tape & joint can take few days to a week to dry in regular living conditions

  2. Plaster normally takes 1-2 weeks to fully dry in regular living conditions

  3. Temperature & Ventilation plays a key part in drying process

Key checks:

Keep warm room temperature 18-24 Degrees Celcius
Run regular ventilator for air circulation
Regularly open windows to get rid of humidity

The quality of your microcement finish is entirely dependent on preparation.
A perfect substrate ensures durability, waterproofing, and a premium finish.

Final Takeaway

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