it will approx be about 2.5foot? just so the decking planks can be laid on top to create a seating area. but obviously needs to therefore support weight of couple people sat on it.
hi. I'm trying my hand at building some raised beds in the garden. I want to also top some in the decking to create a seating area. I want a rendered painted finish so was going to use block but unsure what type or if single or need double thickness of block to take the weight. any help or...