New homes are plagued with shrinkage cracks because the wood framing is shrinking as it looses water. You followed all the guidelines and the cracks are truly hairline and. Loading up the roof with all the materials and let it sit a few weeks before finishing the stucco. Fixing cracks in stucco the wrong way and how to do it. Over the last few years, stucco has become a top exterior finish choice for housing giants. Most of the time, these will be relatively small and are refer to as hairline cracks. Instead, he suggested applying selfadhesive fiberglass mesh tape over the cracks, then covering the tape with joint compound. This thinking causes them to over do it, insert your sledgehammer and fly.
If you have a small crack in your exterior stucco, you can patch it pretty easilyand you definitely. Jan 20, 2017 extreme weather if your stucco has been recently applied, it can be vulnerable to heavy winds and rain. The only time we inspect stucco that doesnt have any cracks is shortly after the homeowner has had the walls caulked and painted. For hairline cracks on vertical surfaces walls avoid using. Hello everyone, i have a 5 year old home that had a few hair line cracks the first year. Start hairline stucco crack repair by cleaning the wall. If its bigger, or youre not sure, check out worrisome cracks in stucco, which should only be repaired by a professional. Jul 12, 2016 the movement of contraction and expansion can cause hairline cracks to appear. Depending on your locality you may find that its feasible to spray a paint finish over stucco, which can be by far the easiest and cheapest way to do it.
Hairline cracks in stucco construction contractor talk. Its not unusual for stucco exterior surfaces to develop cracks. This gentleman bought a home several years agiio and quite literally had problems with the exterior application and finish from the get go. Fortunately, repairing cracks in stucco is a relatively easy job, requiring just a few basic tools. Jan 03, 2018 start hairline stucco crack repair by cleaning the wall.
Stucco crack repair explained by professional stucco contractors. Repairing hairline cracks in exterior stucco a helpful tutorial. Although not all cracks are objectionable, cracks in stucco acceptable to one person might be unacceptable to another person. Now in the winter i am seeing more and more hairline cracks and. Though cracks in stucco can occur due to different factors, two leading causes of cracks are. Jul 23, 2008 over the last few years, stucco has become a top exterior finish choice for housing giants. When the wall is pressurewashed beforehand, it will have a clean surface that paint adheres to easily. Stucco is by nature hard and strong, but it is relatively thin and brittle and will crack when subjected to. How can i tell if a crack in a stucco wall is a structural. Stucco crack repair explained by professional stucco. Usually, stucco releases stress through a series of micro cracks spread over the wall. Hairline cracks over doors and windows are likely due to settling. Greeting our ambitious and faithful subscribers, as well as fellow plasterers around the. Hello everyone, in this video short video i am explaining expansion of plywood or osb sheathing, if it placed next to each other which i see 8 out of 10 times on new or existing homes, this will contribute to hairline cracking especially in the summer in areas which get the majority of the heat.
How to repair hairline cracks in plaster walls the stylus. Paint is intended to seal hairline cracks of this kind. Hairline cracks are typically around a 116 of an inch wide or smaller, if the crack is bigger than that, than chances are that some other element is the culprit. Sep 15, 2017 4 steps for how to repair hairline cracks in stucco. Below are some examples of some hairline cracks that have occurred. Both products, though resilient, may sustain hairline cracks under.
Aug 15, 2017 hairline cracks are arguably the most common type of stucco crack. Many cracks could be avoided by paying attention to control joints, proper attachment of lath, allowing. Stucco is made of concrete, chicken wire and styrofoam, which makes it strong, lasting and cost effective. Although elastomeric paints have all of these benefits, it is not always necessary to use them when painting your home. Horizontal cracking on new homes, multiple hairline cracks.
Hairline cracks are arguably the most common type of stucco crack. Unfortunately many of todays consumers are receiving inaccurate information regarding cracks in stucco. Stucco is by nature hard and strong, but it is relatively thin. This allows your color to remain consistent even during a very rainy day. This level of maintenance is to be expected with all stucco homes. As we all know, cutting corners is both risky and costly, and it can hurt a. Learn how to fix hairline cracks in stucco from stucco. Mar 20, 2007 a hairline crack in stucco also does not mean the stucco system will automatically leak. Cracking is frequently found in masonry walls due to the settling wall foundations, the movement of framing materials, temperature changes and the application of loads to the wall. How to repair hairline cracks in stucco ai restoration. But all too often people name every crack in their house as a settlement crack.
I took a chance, it seems to have finally filled the crack to the top. The sun 2015 the hairline crack is yshaped, about six inches long and is on the inside of the vase on the main body. Hairline cracks tend to result from heavy vibrations due to construction or harsh weather, especially in new homes. Because stucco is a rigid material, it doesnt flex or shift as your house ages. Repairing cracks in stucco before painting paint kings. Hairline crack definition and meaning collins english. While its true that stucco is wellknown for absorbing moisture, painting stucco with the right paint can ensure it stays waterproofed and damp spots are kept at bay.
For step 5, patching and sealing of small cracks for sto is accomplished with flexible crack fillers, and for stucco with fine aggregated, high polymer cements. Choosing the right stucco repair materials for the job is. Multiple hairline cracks in stucco home inspection. Homeowners should be told to expect minor cracks as the stucco shrinks.
Hairline stucco cracks at windows ya know dick, that is a cood theory. Nov 08, 2014 horizontal cracking on new stucco homes, cracks caused by plywood. A couple of the west facing walls look like spider webs of hairline cracks. This article will focus on the investigation of cracks and some suggested. Stucco hairline cracks why would one want to violate the principles of a breathable, selfdraining wall and seal it up, risking all of the potential consequences which that entails. Bridges hairline cracks often stucco will begin to crack.
Stucco is not and never was intended to be a structural material. Because of these serious risks that cracked stucco can entail, it is important to deal with it promptly. Crack policy technical bulletin 4 stucco is widely used all over the world as an exterior cladding because of its aesthetic appeal, durability, fire resistance, design flexibility, low cost, and ease of maintenance. Hunker may earn compensation through affiliate links in this story. First, you will want to wet down the wall where the crack is and around the area of the crack. The underlying cause of the hairline wall crack may be due to problems with the walls framing, contraction or expansion of wood sheathing, settling, thermal expansion or contraction, rapid changes in temperature, weak areas in the wall or abnormal vibrations in the ground. If you feel you have a true settlement crack, the best person to call to get an opinion is a structural engineer. I used this on a new concrete patio that developed a couple of hairline cracks.
While small cracks wont affect the integrity of the siding and can often be repaired without calling a pro. Out here in the desert, all new homes are being built with a stucco exterior. Stucco and siding house repairing hairline cracks on stucco. Inferior quality paint results in poor paint adhesion on your wall, which leads to cracks over time. They may be hairline and only noticeable on close examination, but they are there. However, along with its popularity have come several issues typically caused by cutting corners during the production schedule to save time. Mar 30, 2017 he is discussing hairline cracks on the stucco. A better approach is to repair dead hairline cracks where the stucco is stable and the cracks dont change size or reappear by dusting them with premixed, pigmented stucco. Repairing hairline fractures many houses that have stucco as an exterior finish have splitting problems, however the majority of them can be fixed rather easily. Youve got to clear away the crumbled parts before you fix the crack. In addition, using different paints for each paint coat. Nearby construction construction sites down the road, loud explosions and even a close flying plane can cause your home to shake which may give way to stucco cracks.
Alternatively, cracks often appear in stucco over stickframe walls when wooden framing naturally expands or contracts. Another potential solution that works for all finishes is to use vapor. Repairing cracks in stucco before painting paint kings, tucson, az. Professional stucco contractors who have a lot of experience in how to fix hairline cracks in stucco remove dirt and dust from the stucco wall before they begin filling in cracks. Cement stucco is a relatively thin, brittle shell over a framed structure and. I see a lot of cracks on the foam trim that is used on stucco houses quite often and. This kind of stucco crack is about 116 of an inch wide. If you need to paint over a repair, the paint needs to breathe, too, something.
How to repair stucco cracks on florida home dons painting. There are a few different factors involved in developing stucco damage. The problem, however, is that stucco can develop cracks over time. It cracked that bad everywhere already and it is going to crack that bad. Multiple hairline cracks in stucco inspectionnews home inspection. Before we jump into how to best tackle this problem, lets first get a breakdown of plaster, its uses, and how it differs from both stucco and drywall. It is very important to take care of stucco crack repair sooner than later to effectively take care of this type of stucco damage. Identifying various cracks in stucco the stucco guy. Cracks regularly occur in all types of masonry walls, including reinforced concrete slab walls, concrete block walls, brick walls and stucco walls. Paint kings repairs and repaints stucco cracks and damage of all shapes and sizes. Hairline stucco cracks at windows jlconline forums. Stucco and dryvit walls are relatively low maintenance, offering a durable finish to exterior walls.
Our amazon affiliates link above, jason and i took the. Be gentle and work slowly using a brush so you dont cause more breakage. Nov 29, 2017 repair cracks in plaster or stucco walls by plastering expert with 40 years handson training duration. As we all know, cutting corners is both risky and costly, and it can hurt a reputation, especially because homes in a community are in full public view, day in and. Mix the right stucco crack repair formula for the job.
Houses of any age move and shift subtly over time, and the weakest area in a wall is the most likely to crack. Cement stucco is a relatively thin, brittle shell over a framed structure and can crack if the stresses are transferred and overcome the strength of the plaster membrane. In fact, repair of minor hairline cracks may be included in the cost of painting your home. I pour dry stucco powder into a cup, then use a dry 1inch brush to dab the powder into the cracks. Unlike hairline cracks, a large stucco crack may indicate a structural problem. Too much wind can suck the moisture out of your stucco, causing it to shrink and crack, while extreme heat and rain over time can cause the stucco to deteriorate. Crack patch spackling provides superior performance for filling dents, holes and cracks in surfaces such as drywall, plaster, wood, stucco, brick and stone. The movement of contraction and expansion can cause hairline cracks to appear.
If there are minor cracks in your stucco, this is a project that most san francisco homeowners can tackle if they want to. With stucco cracks, its always best to tackle them as soon as you see them. Once moisture or water gets inside a wall, it will inevitably cause further damage. Stucco cracks stucco cracking is one of the most common homeowner complaints. Stucco, like all cementitious products is susceptible to cracking. There are a couple of stucco walls measuring 60 x 25 without any control joints at all. So of course, the thing that our bay area clients want to know is, what do i do with cracked stucco. In addition, using different paints for each paint coat can also cause cracks on the wall. Over time, due to settling of a structure that is covered by stucco, florida climate changes in general, stucco can and will crack, chip or bubble. If youve noticed hairline cracks on the exterior stucco wall of your property, we can predict that you will be calling your local stucco crack repair contractor or you will be using stucco crack repair caulk in the near future. Effective repair of cracks in masonry walls typically involves widening the crack, cleaning its contents and filling it with repair mortar or flexible sealant. Should i fix those little hairline cracks in my walls.
When you paint stucco, the paint completely seals the material, so moisture wont penetrate it. Repairing hairline cracks in exterior stucco stucco michigan. An unsightly crack in plaster, regardless of how small or large, can be a bit of a pain. Often, large cracks develop at the intersection of vertical walls, at the upper corners of window and door frames, or at joints between wood framing and concretebrick masonry. It took all day and over 10 applications but seems to have filled the largest crack. All you need to repair cracks in stucco is some highquality caulk, a bucket of water and an old sponge or rag. For one, stucco is often used in more ornate structures such as reliefs. May 24, 2018 when you paint stucco, the paint completely seals the material, so moisture wont penetrate it. Using diamond lathe in the corners to give the stucco a better base. However, conventional stucco is a hard and durable system, and in most cases will outlast the structure itself.
Your house settling cracks is it just shrinkage or. The problem is how do you know it isnt going all the way thru a patio crack into the ground. When is it time to repair stucco cracks in the walls. Hairline stucco cracks at windows they are there because of settling and can be prevented to a degree by. Cracking is frequently found in masonry walls due to the settling wall foundations, the movement of framing materials, temperature changes and the application of. If you have a small crack in your exterior stucco, you can patch it pretty easily and you definitely. Then clear all loose debris from the crack with a wire brush. For larger cracks, i mix up a stucco fog coat pigmented stucco without the sand and inject it into the crack with a large syringe. I put the builder on notice and of course the warranty has. Jul 17, 2017 cracking in stucco or dryvit walls happens when there is more stress placed on the wall than the material can withstand. Repair cracks in plaster or stucco walls by plastering expert with 40 years handson training duration. However, they can provide a pathway for moisture and water to enter into a wall system. Ceramic insulcoat wall is a tough, highbuild, highperformance architectural coating. Dec 18, 2017 over time, due to settling of a structure that is covered by stucco, florida climate changes in general, stucco can and will crack, chip or bubble.
Virtually all stucco homes these days all suffer from one thing, cracking. For instance in step 4, sub grade sealers are required for a sto finish but not required for a stucco finish. They ranged any where from 45 feet long to the length of my garage wall 16 plus feet between the front windows. For these small cracks, get a flexible, paintable, exteriorgrade caulk. Certain fine or smooth textures accentuate cracks in stucco, while heavier textures tend to hide stucco cracks. Although im not sure if it goes the whole way around our living room, it appears the plaster in our living room has hairline cracks through it. Without question, any hairline cracks in your walls should be repaired before putting your home on the market, said laura devita, a real estate saleswoman with julia b. But if you ignore them, hairline cracks can become much worse. A color coated stucco requires no maintenance other than occasional cleaning and resealing the joints, no repainting, and if properly constructed, is. Understanding house settling cracks do it right not over.
Now in the winter i am seeing more and more hairline cracks and some spider cracks but still hairline. Cracking in stucco or dryvit walls happens when there is more stress placed on the wall than the material can withstand. Many times ive seen the stucco around windows bump out around the nailing fins, and it looks terrible, but mabye it is an attempt to help prevent weak spots and cracking. Over time, even stucco on homes with firm foundations can develop hairline cracks. Most of the time these types of cracks can be fixed by homeowners with no plastering experience required, and requires minimal tools to do so. Hi all, this may sound like a silly question to some, but as im unsure thought id ask anyway. It is the purpose of this article to define normal cracking as opposed to excessive cracking. Stucco installation reule stucco, doors and windows. There are different sort of fractures that appear and understanding the best ways to set about repairing them is half the battle.
Repairing hairline cracks in exterior stucco stucco. In fact, independent testing on several stucco cement walls has demonstrated that tight hairline cracks rarely leak enough to cause a problem to the system. Multiple hairline cracks in stucco i truely do hate to carry this on but i feel it a must. Mar 03, 2016 now that you know why stucco cracks, lets find out how serious a stucco crack can be. This pre mixed formula spreads easily for fast, professional repairs. Dec, 2018 stucco and plaster are often considered to be the same, but according to brooklyn plaster restoration, which does plaster repair in brooklyn, traditional plaster and stucco have some differences.