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The decision to repair or replace stucco depends on the extent of the damage. For minor issues like small cracks, holes, dirt, stains, or discoloration, a repair is typically sufficient and more cost-effective. These issues can often be resolved with a simple repair, a deep clean, and possibly a new coat of paint. However, for more significant problems such as large cracks, peeling, mold, algae, or structural water damage, a replacement might be necessary. In these cases, it is best to call a professional stucco contractor for an inspection. An expert can assess the severity of the damage, determine if there are deeper issues, and advise whether a repair is adequate or if replacing a section or an entire wall is the more cost-effective, long-term solution.

The best exterior paint finish for stucco is a flat or low-gloss finish. A high-gloss finish will show imperfections in the stucco and give it a candy-coated look that many homeowners don’t like. The best types of exterior paint to use on stucco are acrylic, masonry, and elastomeric. However, acrylic is recommended because it is both durable and breathable.

To repair damaged exterior stucco, you’ll first remove all loose and crumbling material from the damaged area. You then need to thoroughly clean the area and dampen it to ensure proper bonding. After that, you’ll apply a bonding agent to the repair area, then apply new stucco in layers, allowing for curing time between each layer. The final coat should be textured to match the surrounding stucco pattern as closely as possible. Once fully cured, the repaired area can be painted to match the rest of the wall if needed.

The length of time shouldn’t matter much if you stick with lightweight Christmas lights and similar decorations. Those shouldn’t pose risks to your stucco. You should avoid attaching anything to your stucco that could fall because it’s too heavy, which may take part of the stucco with it. Some methods, like using double-sided tape or adhesive hooks, will naturally wear out over time and lead to falling lights, so don’t expect to leave these lights up year-round.