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You notice a thin line running from the corner of a window. A few months later it is longer, and there is a second one under the other window. Almost every stucco home in Albuquerque gets cracks sooner or later. Stucco crack repair is about fixing them the right way, before a thin line turns into a wet wall.
Stucco crack repair for Albuquerque homes
Stucco is a hard shell made of cement, sand and lime. It is strong, but it does not stretch. When the house moves even a little, the stucco has to crack somewhere. In Albuquerque, the sun heats a west wall well past the air temperature in the afternoon, then the desert night cools it off fast. That daily swing makes the wall grow and shrink over and over, and cracks follow.
The good news is that most cracks are a surface problem. With the right patch and a color coat that blends it in, the repair should be hard to spot from the street.
What causes stucco cracks?
Most cracks come from one of these causes:
- Normal settling as a house and its foundation adjust over the years
- Daily heating and cooling from strong high desert sun
- Water that gets behind the stucco, then freezes and expands on winter nights
- Weak spots at window and door corners, where stress collects
- Impact damage from a ladder, a ball, a car door or a hailstorm
- A thin or poorly cured original coat, common on some fast tract builds
Which stucco cracks are serious?
Hairline cracks thinner than a credit card are common and usually cosmetic. They still let in a little water, so sealing them is worth it. Cracks wider than about an eighth of an inch deserve a closer look. So do cracks that are growing, cracks with one side higher than the other, and stair-step cracks on a block wall. Those can point to settling or movement that a patch alone will not stop.
When we look at a crack, we check its width, its direction, whether the stucco around it sounds hollow when tapped, and whether there are stains or bubbling nearby. That tells us if it is a simple patch or a sign of something bigger, like water damage behind the wall.
How we repair stucco cracks and holes
A good crack repair has a few steps, and skipping any of them is why so many patches fail:
- We tap the wall around the crack and remove any stucco that has come loose.
- We open up the crack slightly so the new material has something to grab.
- We clean out dust and loose grit and dampen the edges.
- We fill it with a patch mix suited to the wall, and use an elastomeric filler on cracks that keep moving.
- We rebuild the texture to match the wall around it.
- We finish with a color coat or paint so the repair blends in.
Holes from old satellite dishes, light fixtures, AC lines and removed signs get the same treatment. If the wire lath under the hole is damaged, we patch that first.
Why do patches show, and how do we hide them?
New stucco is always a slightly different color than old stucco that has been baking in the sun for years. That is why a raw patch looks like a gray bandage on the wall. There are two ways to fix that. For small repairs, we match the texture closely and paint or color coat the patched area out to a natural break, like a corner or a window edge. For walls with many patches, a full color coat over the whole wall gives one even finish.
Texture matters just as much as color. Albuquerque homes use many finishes, from smooth Santa Fe style to sand finish and heavier dash textures. We match the one on your house by hand.
Crack repair vs re-stucco
Most homes only need crack repair. But if cracks are everywhere, the stucco sounds hollow over large areas, or chunks are falling off, patching becomes a losing game. At that point, re-stucco and resurfacing gives the wall a new, uniform skin. If you also see stains, bubbling or soft spots, a stucco inspection comes first so we know whether water has reached the framing.
We will tell you honestly which one your home needs. The written estimate spells out each repair and its price. For typical price ranges, see our stucco repair cost guide.
Stucco repair on block walls and pillars
Cracks are not only a house problem. Garden walls, courtyard walls and block pillars around Albuquerque yards crack too, often in a stair-step pattern that follows the mortar joints of the block underneath. Those walls get less protection than the house, with no roof overhang and sprinklers hitting them daily. We repair them the same way: remove loose stucco, fix the cause if the wall has shifted, patch, match the texture and color coat. A cap on top that sheds water keeps them lasting much longer.
Keeping cracks from coming back
No stucco is crack-proof, but a few habits help. Keep sprinklers from spraying the walls, since constant wetting and drying weakens stucco near the ground. Make sure gutters and canales dump water away from the house. Recaulk around windows and doors every few years. And fix small cracks when you see them, before the monsoon season sends water into them.
Take a photo of any crack you notice and put a pencil mark at each end. If the crack grows past the marks over a few months, the wall is still moving, and it is time to call.
Local tip
We repair stucco cracks across Albuquerque, from the Northeast Heights to the Westside, and in Rio Rancho, Corrales, Los Lunas and Belen.
