How to put up a partition wall without a professional?

How to put up a partition wall without a professional?
It takes approx. 3 minutes to read this article

Putting up a partition wall is one of those renovation works which on your own. See how to build a partition wall.

Photo by: senivpetro, from:

A partition wall can help us to separate space in an interior so that it is more practical to use. It can also help to designate a place with a specific function or add some privacy to the interior. Putting up a partition by yourself will not be difficult as long as you know how to do it and you use the right materials.

Types of partition walls

Additional partition walls can be made of different materials. In addition to masonry walls, which would require the help of a professional, there are also lightweight structures made of cellular concrete – using such a material we will be able to erect a partition wall by ourselves.

How to build a partition wall step by step

Using special cellular concrete for building partition walls, such as Ytong blocks, which are handy and lightweight, we should be able to cope with setting up a partition wall without too much trouble. Here’s how to get started:

1. Prepare the right materials and tools

The tools you will need to set up the partition wall are:

  • a bucket to mix the mortar,
  • a drill with a mixer,
  • trowel,
  • spirit level,
  • a tape measure,
  • saw to cut,
  • sanding pad,
  • angle guide,
  • rubber mallet,
  • metal fasteners and nails,
  • a pencil and mason’s twine to mark the appropriate measurements,
  • mortar,
  • ytong concrete blocks,
  • installation foam or other flexible material,
  • roofing felt on a roll.
Photo by: cookie_studio, from:

2. Mark out the place for a partition wall

Stretch a mason’s twine so that the line of the wall is formed, attaching both ends of the twine to the opposite load-bearing walls.

3. Prepare the bricklaying mortar

Prepare the mortar according to the manufacturer’s instructions. Mix the mortar with a drill with a mixer – it should have a smooth consistency, without lumps.

4. Prepare the roofing paper

Cut the roofing felt from the roll in such a way that it corresponds to the planned wall length and has a width slightly larger than a concrete block.

5. Mortar application

Using a trowel, apply a layer of mortar along the stretched string so that its width corresponds with the width of the concrete block. Then roll out the cut paper over the mortar.

6. Setting the blocks

Put another layer of mortar on the spreading membrane and start setting concrete blocks. When setting the blocks, start from the load-bearing wall and go towards the end of the planned wall

7. Aligning blocks

Using a level, check the first block and each next one – if necessary align them using a rubber mallet

8. Placing the final pieces

If there is not enough room for the last block, cut it with a pencil. Cut the block with a handsaw. To do it evenly, it is good to use an angle guide and then grind the cut surface with a trowel.

9. Further layers of blocks

After laying the first layer of blocks, we move on to subsequent layers. At each level remember to check, if the horizontal and vertical position is maintained. In every second joint of the wall you should insert a metal connector.

10. Filling with mortar and plastering

After you have erected the whole wall, fill the joints with mortar. When everything is thoroughly dry, you can start plastering.

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