How to Repair Cracks in an Exterior Wall
You can fix cracks on an exterior wall in several ways. Some of these ways are: Epoxy injections, Filler compound, Taping with joint compound, Hairline cracks, and more. Read on to learn more about each method. The most effective way to fix a crack is to clean it thoroughly and apply a TSP cleaning solution to it. Rinse thoroughly. To dry the crack, heat gun can be used if you are unable to reach it. Alternatively, you can use a scraping device, such as an old screwdriver or nail to remove loose debris.
Epoxy injections
An Epoxy injection is used to repair cracks in exterior walls. The first step is to ensure that the crack is large enough for the epoxy to be injected. The injection ports must be placed eight inches apart along crack’s length. Then, remove the top seals and ports. The next step is to inject the epoxy into the crack. Repeat the process until the crack has been repaired.
Filler compound
Apply the filler compound to the cracked area, using a putty knife to smooth the surface. Allow each layer to dry between applications. Repeat this process until cracks are filled and walls are level. To add the final layer, you can use a 6 inch tapeing knife. To improve the adhesion of filler material, you can use a concrete bonding glue.
Taping with joint compounds
When you’re tapering cracks in an exterior wall, you need to carefully measure the width of the gap. You should be able apply the joint compound with a knife if it is less than one foot. Apply the compound in two directions. To prevent the compound from peeling, press the compound into the gap. Once dry, paint the entire wall.
Hairline cracks
Caulking can be used to repair small stucco cracks in your exterior walls. Follow the instructions below to repair hairline cracks. They are much smaller than other cracks. Because the stucco will expand and open cracks, it is easier to apply caulking in the morning. This is also the best time to apply caulking for hairline crack repairs.
Stitching
Stitching is a method of fixing cracks in exterior walls. A crack in an exterior wall can indicate a structural problem, but they are usually easily fixed. Cracks in walls can be caused by natural settlement, expansion of building materials, and changes in the environment. If you aren’t sure if there is a crack in your wall, you can ask someone to examine it.