Ace Plastering: liquid screed & spray render specialists, UK

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Liquid screed preparation

Preparing Liquid Screed
Lay insulation down 1. Lay insulation down, cut tightly into position.
  2. Tape all joints with gaffer / duct tape, ensuring there are no gaps in between the boards.
Add your perimeter strip around the edges 3. Add your perimeter strip around the edges. This can be stuck or tacked to the walls.
  4. Tape the perimeter strip to the insulation ensuring there are no gaps. This helps with any movement that can occur between floor and walls.
Lay a DPM membrane over the whole floor surface 5. Lay a DPM membrane over the whole floor surface. Run the DPM about 8" up the walls. Overlap DPM where necessary, about 4".
  6. Thoroughly tape all joints and corners, making sure there are no holes or splits. This needs to be treated like a fish tank, as it will be filled with liquid which will find its way through any hole or split.
Underfloor heating pipes 7. If having underfloor heating the pipes need to be secured with trackers or clips, which need to be spaced at least every 300mm apart. This is to help ensure they don't lift when the liquid is poured.
  8. If possible, fill pipes before installation. Don't be afraid to be overcautious on taping and securing of pipes.
  9. Now you are ready for liquid screed!

Liquid Screed After Care

  • Between 24-48 hours of the floor being laid, it will need a stiff brush to remove excess latents.
  • Prior to tiling the floor it will need a primer that is compatible with a calcium sulphate screed, e.g. Mapei or Laybond.

Please contact us for more details on liquid screed and suitable applications.


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Inland Homes
Inland Homes