How To Level Concrete Slab Against A Wall

We protected the house with wide peel and stick membranes like grace ice and water shield and left a gap between the membrane and the back of the steps.

How to level concrete slab against a wall.

When you pour the concrete into it you no longer have to worry about it spilling off the old slab and making a mess. In this video we show you how to pour your basic 16 x 12 concrete slab. Drag a straight 2x4 screed board across the top of the concrete forms to level the concrete. Make multiple passes if needed to create a flat evenly filled area.

Apply a coating of the compound to the identified low areas on the concrete slab smoothing it out with a trowel. I haven t poured a concrete pad against a house like this but many years ago i built a few sets of wet laid stone entry steps. The other side next to the wall has gravel at a lower level than the dpc. An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab.

This prevents water from leaking under the bottom of the wall to the inside of the building. Work at a rapid pace since the leveling compound will dry in less than 1 hour after being mixed with water. Polylevel is a structural grade polymer used as a superior alternative to mudjacking to raise and level broken concrete slabs patios driveways and sidewalks. Have a helper add or remove concrete in front of the screed as you pull it.

It gives you a better chance at creating a strong level slab. These braces serve as a mold. Set the braces up around the perimeter of your old concrete slab. We go over all the necessary steps for your concrete slab to come out perfect.

A method we often use when a path or patio is less than 6 inches below the damp proof course is to lay a line of thin kerb stones about 6 inches away from the wall and take the concrete up to them. Finish coating the slab as needed with the compound mixture. Consider a wood shed floor treated lumber joists and plywood.