Sealing Concrete Roof Cracks

While the sashco slab is a bit on the expensive end it s completely worth it.

Sealing concrete roof cracks. When there are leaks in a flat concrete roof the fast fix is usually to apply some kind of sealant or waterproof cement at the site of the leak. New repairs using epoxy and polyurethane foam when performed properly offer years of relief from leaks. It delivers high quality concrete adhesion and keeps cracks sealed. Waterproofing cracks on concrete roof with an elastomeric polyurethane sealant.

Apply the concrete repair sealant to the affected area and smooth over with a putty knife. For thin or hairline cracks low viscosity epoxy resins will more often achieve better results. Alternatively many products come in bottles with an applicator tip. These areas are prime spots for water to further erode the concrete so inspect the entire surface for any damage first.

Advances in crack repair for home foundations extend to needed repairs in concrete roofs. Concrete can crack and produce leaks just like any other type of roofing material but it is easier to repair by far. The most common complaint with regard to both concrete tile and flat concrete roofing is water leaks. Quikrete concrete repair quikrete gray concrete crack seal or quikrete self leveling polyurethane sealant may be used.

Mark off any damaged areas you find with masking tape so they are easy to find again. It doesn t allow moisture to seep through the crack which increases the lifespan of the concrete surface. The sashco slab sealant is one of the best concrete crack repair sealants you can buy. Very small cracks such as hairline cracks can be repaired using a vinyl concrete patching compound applied over the crack and then smoothed with a putty knife.

Narrow concrete cracks can be filled using masonry crack elastomeric filler that can be applied with a caulking gun. Follow the manufacturer s directions regarding dry time. For more information on sustainable waterproofing for concrete roofs. Step 1 widen the crack using a chisel and hammer to a minimum of inch and break away any deteriorating concrete the edges of the crack should be vertical or beveled in an inverted v.