Ever walk around your house and actually look at the exterior walls? Most people do not check until a chunk falls off or water leaks inside. Stucco is very durable, especially around the dry hillsides of Simi Valley, but it still needs regular attention to survive our hot summer weather and occasional heavy winter downpours.
How to Extend the Life of Your Stucco
Our local weather in Simi Valley swings from dry triple digits in July to damp, chilly winds rolling down through the canyons in January. That thermal shock causes expansion and contraction in the walls. You cannot stop the weather, but you can give your walls a fighting chance. Keep big shrubs and trees trimmed at least a foot away from the house. When plants press against Stucco, they trap moisture right against the surface, and that is a fast track to Stucco cracking and mold.
Painting or recoating your elastomeric finish every few years also seals up micro-cracks before moisture gets deep into the lath.
What Regular Maintenance Actually Looks Like
You do not need fancy tools for Stucco maintenance. Twice a year—usually when the seasons shift—take a walk around your property in Simi Valley.
- Grab a garden hose with a low-pressure nozzle and wash off the dust, spiderwebs, and wind grime. Do not use a high-pressure washer close up, or you will blast right through the finish coat of the Stucco.
- Check the caulking around your windows, doors, and where utility lines punch through the wall. If the sealant is dry, cracked, or peeling, water is going to find a way in behind the Stucco.
- Look at the weep screed near the bottom of your foundation to make sure dirt, mulch, or concrete have not piled up and blocked those drainage holes for your Stucco.
Warning Signs That Spell Trouble
Hairline Stucco cracks thinner than a credit card are usually just normal settling, especially in neighborhoods with shifting earth. But you need to pay attention when things change on your Stucco walls.
Spiderweb Stucco cracking across a large section means the base coat was not mixed right or applied too thin. Staining or dark discoloration after it rains usually means water is sitting behind the Stucco wall. If you see white, fluffy powder pushing through the paint—that is efflorescence, meaning salts are being dissolved and carried to the surface by trapped moisture in the Stucco.
And if a section of Stucco sounds hollow when you tap it with your knuckles, the bond has failed underneath. That is a red flag for Stucco damage.
When to Call a Professional
Small hairline Stucco cracks can be handled with a dab of elastomeric patch if you are handy on a Saturday afternoon. But once Stucco cracks start widening past an eighth of an inch, or you see bulging, staining, and crumbling corners, it is time to bring in backup. Simi Valley Stucco & Plastering sees what happens when minor moisture issues turn into major framing rot because homeowners waited too long to address a failing Stucco wall.
Taking care of small problems today keeps your Stucco exterior solid and saves you from a massive bill down the road. Walk your property this weekend and see what your walls in Simi Valley are trying to tell you.