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7. Customizable. Your options are nearly limitless when it comes to customizing stucco. Texture options vary widely. Moreover, the fact that pigment joins the actual stucco mixture means that an enormous amount of possibilities for color exist.

All You Need to Know About Stucco Homes

Not just for the southwest anymore, this distinctive exterior is catching on across the country. Find out if it’s right for your home.

By Glenda Taylor and Bob Vila | Updated Feb 25, 2020 1:07 PM

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Stucco siding, a type of hand-troweled masonry plaster consisting of cement, water, and sand, is a definitive feature of Spanish and Mediterranean architecture. These stucco homes feature exteriors in a variety of textures from pebbled to sweeping swirls to virtually smooth, depending on application technique, and provide durable protection against the elements. But this type of masonry does have its downsides, and it isn’t appropriate for every property. So whether your house-hunting has drawn you to this particular look, you’re considering re-siding your home in stucco, or you want to maintain the stucco exterior you’ve already got, read on for a crash course.

Stucco History and Growing Popularity

The earliest stucco contained lime instead of cement, and because its ingredients are easily found in nature, it’s one of the oldest natural types of siding around, dating back to ancient Greece. Spaniards are thought to have introduced stucco to Mexico and the American southwest, creating rock-hard walls by applying the mixture over stick-, stone-, or timber-framing.

With the mass production of dry cement in the early 1900s, stucco siding entered a new era. Cement increased the workability of stucco, with longer drying times allowing builders greater freedom. Yet the southwest remained the perfect place for stucco, thanks to arid conditions and high sand content that made the soil stable.

Attempts at installing traditional stucco in climates farther north and east met with mixed results. In regions where the soil moved, causing house foundations to settle, cracks appeared in the stucco that allowed rain to penetrate and loosen the siding from its sheathing. Today, the addition of polymers and other agents for increased flexibility, along with refined application techniques, have improved stucco’s resilience, making it a growing choice throughout the United States.

Stucco Pros and Cons

PROS

Stucco is appealing for a number of reasons, chief among them its fire resistance. A 1-inch coating of stucco provides a one-hour firewall rating, which means it will prevent the spread of fire from one side of the wall to the other side for at least one hour. This makes stucco desirable for multi-family dwellings with strict fire codes, and those in neighborhoods where houses are built in close proximity to each other.

Then there’s looks, and those appealing hues—from soft shades to deep earthy tones—achieved by adding dyes to the mix. Customarily, stucco was often paired with flat roofs and clay tile roofing material, but people find the surface so attractive, you’ll now see stucco on homes with pitched roofs and paired with both shingle and metal roofing materials.

CONS

Due to its brittle nature, stucco siding will crack if a house foundation settles. It simply isn’t the best choice in regions where soil is high in clay, notorious for swelling and causing foundations to shift.

Over time, even stucco on homes with firm foundations can develop hairline cracks. While small cracks won’t affect the integrity of the siding and can often be repaired without calling a pro, cracks of 1/4-inch or wider spell trouble. Some stucco homes built after WWII were created with a spray-on form that didn’t prove as sturdy as traditional hand-troweled stucco. As time goes on, these homes may be prone to large multiple cracks and/or chunks of stucco falling off, and the only real option is to have the faulty siding removed and replaced by a reputable contractor.

Finally, stucco hasn’t got an appreciable insulation factor: A 1-inch layer of stucco has a 0.20 R-value, which means it only has 20 percent of the insulation factor found in the same thickness of wood—none too desirable in a cold New England winter!

Stucco Application Process

Stucco is installed in layers, a time-consuming, labor-intensive process done by skilled pros—not a job for even the most ambitious DIYer—and that’s why it can be pricey. In the southwest, where stucco contractors are knowledgeable and plentiful, you can have it applied for $4 to $7 per square foot, but in other climes, expect to pay between $6 and $10 per square foot.

The application process depends on the house’s structure—wood-framed walls require more coats of traditional stucco than block or concrete. By applying stucco in layers and allowing each layer to set, the contractor gradually builds up the thickness of the siding.

• Traditional stucco is applied in a three-coat process to wood-frame exterior walls. It starts with a “scratch coat” spread over metal lath attached to a house’s exterior sheathing. The rough surface allows the next layer, the “brown coat,” to adhere. The brown coat adds strength and acts as a base for the “finish coat,” which can be hand-troweled to create a custom surface texture.
• Two-coat stucco is used on concrete, brick, and block walls. The existing masonry makes a scratch coat unnecessary. Instead of metal lath, a bonding adhesive is applied to the masonry wall before two coats of stucco are applied.
• One-coat stucco is a relatively new process using stucco mixed with fiberglass, applied over metal lath. Not all stucco contractors offer the one-coat process, so you may have to call around to locate one in your area.

Stucco Care and Maintenance

If you already own one of these stucco homes, pay attention to its maintenance needs to get the most from this exterior.

• If you worry about foundation settling, take steps to reduce soil movement. By installing good guttering and downspouts, and by grading your yard to slope away from the foundation, you’ll limit soil saturation and lessen the risk of foundation movement.
• Remove dirt and debris that collects on stucco with a medium-bristle brush and a garden hose. Cleaning with a high-pressure washer is not recommended, as it can damage the surface.
• To remove mold, combine one-part non-chlorine bleach with three parts water and apply directly to the stains with a sponge or brush. Allow the solution to soak into the surface before rinsing with a hose.
• Efflorescence, a white stain that can develop on stucco exposed to prolonged moisture, can be removed by spraying with white vinegar. Allow several minutes of dwell time before rinsing with a hose. Re-treat if necessary to completely remove the stain.
• Keep in mind that stucco can be painted if you tire of the color, and and you can probably do the job yourself. With just a little care, your stucco siding will keep its distinctive look for years to come.

The 10 Benefits of Stucco Exterior and Why You Should Choose It

Whether you build or re-side a home, a stucco exterior delivers beauty, quality, and long-lasting durability. What is this magical building material, anyway? What benefits does it provide, and what does maintenance look like? Worldgate Plaster and Stucco covers the answers.

What Is Stucco, Anyway?

Cement, sand, lime, and water combine to create stucco. Builders and masons apply stucco to the exterior siding of homes in multiple coats over a lath sheathing. The materials combine to produce an incredibly durable substance that stands the test of time. Stucco gains its popularity from the many benefits it produces.

What Benefits Does a Stucco Exterior Deliver?

1. Effective. Cement, crushed marble, and sand are all dense materials. Combined together, they produce a heavy-duty substance that insulates your home better than vinyl or even brick. Stucco exterior results in an air-sealed and noise-resistant interior. In addition, it’s energy-efficient because your heating and air system operate more efficiently.

2. Moisture-resistant. Exterior Insulation Finish Systems (EIFS) add an additional layer to stucco that produces a barrier. Then, the barrier attaches to the insulation board, which allows drainage to occur. Stucco itself is already resistant to fungus, so the combination of stucco and EIFS work together to avoid moisture.

3. Fire-resistant. Think about the materials used in stucco: cement and sand. Both materials naturally stand up to heat and fire. While no material makes the claim to completely resist fire, stucco certainly performs better than vinyl and wood.

4. Durable. Assuming proper installation and maintenance, a stucco exterior lasts longer than other building materials. As a result, stucco is a wise building material choice for your residential or commercial property.

5. Versatile. Stucco can be applied in a variety of textures and colors, as well as on a variety of existing exteriors, such as wood or steel.

6. Attractive. Stucco homes have immense curb appeal. Due to its versatility, you can do so much with stucco to create an eye-catching home exterior that will last for years to come. Additionally, the craftsmanship behind quality stucco attracts admirers far and wide.

7. Customizable. Your options are nearly limitless when it comes to customizing stucco. Texture options vary widely. Moreover, the fact that pigment joins the actual stucco mixture means that an enormous amount of possibilities for color exist.

8. Budget-friendly. Stucco homes are not only durable but also easy on the pocketbook, making it a wise choice.

9. Low maintenance. Stucco is a durable material that stands the test of time. As long as it’s properly mixed and applied, it requires less maintenance than other siding materials.

10. Valuable. Stucco provides monetary value in several ways. For one, the actual home appraisal may be higher than a comparison with different siding. For another, you may realize a lower insurance premium. Finally, you could save money during construction as well as ongoing maintenance, energy costs, and more.

How Do You Maintain Stucco Exterior?

Call Worldgate at (703) 283-6886 to schedule your stucco exterior maintenance. You can also request a quote online. We proudly serve Fairfax, Montgomery, and the surrounding area.