Under deck waterproofing – There are several inexpensive ways to waterproof a slab. The concrete construction industry has simplified these methods so that the home repairer can complete the task with little difficulty. Use these tried and true methods to waterproof slabs, as they can be completed in one or two days, depending on the size and scope of the job .
Instructions to Under Deck Waterproofing Slab
Install the 2-inch PVC pipe along the base of the slab and just on top of the graduated earth before pouring the concrete slab. Cut the tubes along using a cutter and glue them with PVC glue. Place the pipes to run through the floor, leaving them directly on the floor. For example, if there is a slight gradient of 5 degrees on the ground, place the tubes so that they run along this gradation instead of traversing it, allowing water to drain through the slab structure instead of accumulating behind her.
Install coarse gravel under deck waterproofing as the grade base material before the slab is poured, which will allow the water to drain from under the slab, preventing water buildup and absorption into the dry concrete. Add a polyplastic layer over the gravel, extending the plastic directly to the edges of the slab. Seal the concrete slab with concrete sealant. Apply concrete sealant to the surface after the slab has been laid on the gravel and pipe and has dried for 72 hours. Test the concrete surface with water by dropping a few drops on the sealed concrete. Reapply the sealant if the concrete absorbs water.
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