How To Build A Knee Wall On Concrete

Learn how to build a low wall from concrete breezeblocks.

How to build a knee wall on concrete.

To make the wall as strong as possible pour the concrete in layers no higher than 20 inches working from 1 end of the wall to the. Step 5 make vertical framing supports. Build the wall photo by kolin smith. A comfortable sitting height for a wall is 18 to 24 inches including capstones.

Remember to check out the full diy construction video on our website. This is a problem because we ll be putting a bar top on this wall and it s likely that someone will lean on it from time to time. Run a chalk snap line between the marks and snap the line against the slab to lay out the position of one of the wall s sides. Once you ve got your base set up it just takes some finesse in building the wall up and turning corners.

Step 1 stretch a tape measure across the concrete slab and mark the position of the wall s ends. In opening up the wall between the dining room and kitchen at my current project i ve found that the remaining half wall is very wobbly and tends to lean back and forth. With simple materials and readily available tools the novice carpenter can lay out build and anchor walls on concrete slabs. Measure two pieces of 2 x 4 lumber to the desired height of the knee wall minus 3 inches the thickness of two top plates to be installed later.

Most cast concrete stones are heavy enough to stay upright without help. To form a concrete wall first set up plywood boards on either side of your concrete footer and attach them together with wire. But for safety s sake you should glue down at least every other course and certainly the capstones with construction adhesive made for stonework. Then pour your concrete inside the form using a chute or hose attached to the mixer.

However some types of walls such as pony walls that rest on a building s foundation or an attic knee wall cannot be properly referred to by both names. The terms knee wall and pony wall are commonly used as if they were synonymous and both terms are often used to refer to the same types of wall structures. Then nail one of the pieces up against the adjoining wall while making sure that it is straight and level.