5 Professional Tips for Long Lasting Stucco Repair

cost to repair stucco

Stucco is popular in homes, business establishments, and ancient architecture due to its durability, versatility, and aesthetic appeal. While it is physically strong, the core materials like cement, lime, sand, and water could develop damage due to exposure to the elements. 

Occasional maintenance can help keep stucco in excellent condition, improving your home’s appearance. Regular checks also keep those inside the space healthy and safe from cracks, chips, and water damage that can weaken the wall.  

This post explains the correct procedures and materials to use when fixing stucco so it can serve you for a long time without any problems. 

1. Thorough Inspection and Preparation 

Proper inspection and preparation of the damaged area is essential before any repair work. It helps identify the exact issues and develop workable solutions. The cost to repair stucco depends on your ability to identify and address the issue on time. 

Therefore, start by assessing the stucco for cracks or small holes, humps, or bumps that might have developed over time. Check for stains as they indicate water penetration or movement cracking. Use a magnifying glass to identify the minor cracks that may go unnoticed. 

You can also assess the severity of the problem by gently tapping the affected region with a hammer. If you hear echoes or if the stucco loosens or delaminates when knocking, replace it. Furthermore, moisture detectors can reveal areas with water penetration and prevent further deterioration. 

Then, begin the repair preparation by washing the area well and removing the gunk that will hinder the maintenance from working. Use a wire brush and pressure washer at low pressure. If mold or mildew stains are present, clean them with water and bleach and leave the area to air dry. 

2. Use Valid Materials 

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Careful selection of the stucco repair materials is essential for a lasting fix. Some of the main constituents of stucco are cement, sand, lime, and water. Using them in an appropriate proportion helps do proper repair based on the damage and stucco type.  

Also, select the appropriate stucco to apply to the affected new part based on the texture, color, and even the nature of the material. 

In case of minor cracks and general touch ups, a ready-to-use stucco patching compound is the most effective as it bonds well with existing stucco. Furthermore, use different sealers, depending on the stucco’s finish and texture to prevent moisture buildup. 

Determine if your repair needs a base or finish coat. The base coat is the first layer of coating and contains cement, sand, and lime, whereas the finish coat goes over the base coat and varies in texture and color. 

Finally, use bonding agents to bond the stucco to existing work to lower the risk of future cracking or debonding. 

3. Proper Application Technique 

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Using stucco correctly guarantees an effective repair. The general technique follows several procedures that give the best results. 

For the narrow cracks, use a chisel to open them to the width of a V. It gives the patching compound a better surface to bond. Spread the compound with a trowel and apply pressure to ensure it fills the crack. Level the surface to match the surrounding texture and dry it according to the manufacturer’s instructions.  

Conversely, significant repairs require a scratch coat application to create a suitable base for the finish coat. Use a hawk and trowel to evenly put the base coat on the prepared area and pressure it on the lath supporting the stucco. 

Skim the surface with a trowel to make several horizontal scratches that will enable the finish coat to bond to the base coat. Apply the finish layer after 24 to 48 hours to ensure the coat dries. Afterward, the finish coat is applied and customized to the existing stucco pattern and texture. Spread it with a trowel for uniform thickness. 

4. Control Moisture 

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Moisture content present affects the stucco’s durability and performance. It causes the formation of mold, mildew, and decaying of the structures. Correct moisture control measures help enhance your stucco repair’s longevity. These include properly checking the building drainage system to ascertain it is working. The gutters and downspouts should be free from obstruction and diverted from the structure to ensure water doesn’t accumulate near the walls’ foundation. 

Then, check the stucco for latex cracks and other areas where water may infiltrate, like windows, doors, or holes. Seal them with quality exterior grade caulk to avoid water penetration behind the stucco. Inspect these seals regularly and replace the worn-out caulk to decrease its permeability. The silicone or acrylic inside the sealant creates a membrane that excludes water and lets the stucco breathe. 

5. Regular Maintenance 

Routine maintenance ensures your stucco can serve its purpose and avoid similar damage in the future. Set reminders to help you remember to inspect the areas at least once a year for cracks, chips, and water damage and fix the problems before they worsen. 

Cleaning the stucco surface with a garden hose or a pressure washer on low pressure helps wash the dirt, dust, and mildew off the siding. Use a soft stem brush to apply a mild detergent solution on demanding areas. Avoid using chemicals that make the stucco vulnerable to damage.  

Lastly, the state of the caulking around the window, doors, and other similar access points should be monitored. Like any other building material, caulk sealants may wear off with time, allowing water into the building. Apply new green-colored calking on the seams to seal it once it wears off. 

To Conclude 

Stucco can serve for years without problems. However, it can develop issues that may impact a residence’s appearance and safety. Recurring problems need immediate attention to prevent further damage and added repair costs. 

Properly inspecting the stucco can reveal issues that could go unnoticed, such as moisture buildup. Also, using the appropriate materials and the correct application techniques ensures effective repair, preventing you from dealing with similar issues. Regularly inspecting the structure makes the repairs stick for years in mint condition.


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