How to put screed on a wooden joist ceiling

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Wooden beam ceilings can be found in old buildings. To straighten the floor or to build a tile floor covering on the floor, you need a screed on a wooden joist ceiling.

Prepare wooden beam ceilings with dry screed.
Prepare wooden beam ceilings with dry screed.

What you need:

  • Insulation material
  • saw
  • Aluminum lath
  • Spirit level
  • vacuum cleaner
  • Dust mask
  • Dry screed board
  • Glue

Apply a dry screed to a wooden joist ceiling

Dry screed consists of cement-bonded fibreboard, which is provided with tongue and groove. The dry screed can be laid on a wooden joist ceiling yourself, as you work "dry" here.

  1. If you notice when walking on the floor that the wooden planks, which together with the wooden beams make up the floor, creak, the wooden planks should be removed.
  2. You will receive scatterable insulation material in sacks. You pour this between and on the wooden beams so that the material is 3 cm high on the wooden beams. Through the insulation the dry screed is laid "floating". This type of floor structure prevents impact sound from being transmitted to other components. With the help of a spirit level and a long aluminum batten, pull off the insulation evenly, starting from the left corner of the room.
  3. The screed panels are laid, beginning with a complete panel, from left to right along the outer wall "as a composite" on the wooden joist ceiling. Composite means that you start the second row with the remainder of the last panel in the first row. Please pay attention to the minimum offset specified by the manufacturer. D. That is, if your remaining strip is too narrow, you have to cut a plate in half and start with this one.
  4. Connect the dry screed panels with an adhesive designed for the system, which you insert into the groove and insert the tongue of the next panel.
  5. Dry screed and structure - worth knowing about laying

    In the past it was often tedious to lay screed, because the structure and drying ...

  6. You can cut dry screed with a hand saw, jigsaw or circular saw. Since cutting with electric saws involves a lot of dust, you should cut the panels outdoors if possible. A vacuum cleaner must also be connected to the saw. It is also advisable to wear a dust mask to protect the respiratory tract.
  7. When you have laid out the dry screed piece by piece in the room, you can walk on the floor immediately and start further floor design.

Dry screed can be used in many ways. Let the well-stocked building materials trade z. B. about installing a Underfloor heating to advise.

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