List Of How To Build A Slate Raised Garden Bed References. You want to ensure that the timber has not been treated with cca as the nasty chemicals used for this can leach into the soil. Then cover the area with cardboard, which will smother the.

Web we don’t have much width to work with (500mm) so we are thinking of going with treated pine sleepers to maximise our garden bed space. Web you'll need four planks; Then cover the area with cardboard, which will smother the.