Stage 4

4) Once you have a levelled area of concrete or other suitable base, start by laying out the first course of the wall structures, interlocking he corners and placing the door spacers into the structure as appropriate.

You will now have a good idea of how he structure will take shape. Make sure that you check the level of the structure before continuing using a four foot level.

Now continue laying new levels, working around the structure, so that each interlocks with the adjacent walls.

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