"Professional and pleasant. I called a half dozen companies and they were the only ones to show up. Gave me a fair price for the work to be performed. My neighbor was curious about I was having done, came over and decided to have work done for him. I am very happy and will likely use them again."
"This company got this job done very quickly, efficiently and at a reasonable cost. It was a very extensive retaining wall and we are very happy with the result. Mr. Kernanen is highly experienced in this king of work and all other aspects of construction."
"Throughly amazed with the quality of work these gentlemen did on our home. They were extremely hard workers that returned my phone calls, showed up to work when they said they would and cleaned up the work area each day. You donâ t find many younger people with this work ethic any more. Would highly recommend them and will use them again!"
"If I could give David and his crew a 10 I would. Provided estimate quickly with fair pricing. Work preformed was done with great care and he wants to make sure the project is exactly how you want it. Excellent work and very personable to work with. Communicated well throughout two projects that we had them complete. Overall - excellent work!!!!"
"Doug and his company are simply outstanding. The honesty and ethics that ground this crew are nothing short of amazing. You will NEVER find a better contractor anywhere. Their work is superior and their commitment is outstanding. They will not leave your job until it is done to both their standards and yours. Honestly, we will never hire another contractor except Extreme Foundation Repair. They have become a part of our family and we will recommend them to everyone who needs work done. Simply the best of the best."
"I had been dealing with an uneven garage floor for several years and consulted multiple companies, but most either quoted very high prices or couldn’t handle the job properly.
TJ and his assistant, Miky, from Walking 4 LLC, carefully assessed the situation, explained everything clearly, and offered several options with pros and cons. Their honest recommendations helped us make a confident decision.
We chose to redo part of the garage floor to level it. TJ provided a clear plan, and the pricing was very reasonable. The work was completed with excellent craftsmanship and a professional finish.
The results were impressive—so much so that my neighbor hired TJ on the spot. He also went the extra mile by replacing and adjusting the garage door seals to ensure a proper fit.
I highly recommend Walking 4 LLC for concrete work. Their professionalism, honesty, and quality are outstanding."
K Wanzek LLC is a trusted provider of concrete and hardscape services, led by a dedicated young owner with years of hands-on experience in the field. Built on hard work, reliability, and attention to detail, we take pride in delivering durable, high-quality results for every project.
\nOur expertise includes concrete driveways and patios, brick walkways, gutter cleaning, and landscaping solutions designed to enhance both function and curb appeal. Whether you're upgrading your outdoor space or maintaining your property, K Wanzek LLC is committed to honest work and getting the job done right the first time.
"We were very fortunate to have Jimmy Dowden and his crew do our driveway. It was professionally done and completed in a timely manner. Jimmy knows concrete!"
A major mistake during masonry work is ignoring frost depth requirements. Structures built without deep footings heave and fail quickly in the SD climate. Another common error involves applying hard modern cement mortar to older, softer brick, which causes the brick faces to crack. Homeowners also trap moisture by applying sealers before the stone dries from winter snow. Finally, skipping required permits for retaining walls causes serious property issues.
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Homeowners encounter unexpected expenses during masonry work due to deep excavation requirements. SD building codes mandate frost-depth footings, which require digging through rocky, caliche-heavy soils. You must also anticipate potential fees for permits and engineered drawings for retaining walls. For older homes, replacing cracked interior chimney liners, addressing water damage behind brick veneers, and legally abating hazardous lead paint or asbestos add significant expenses to your project.
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Start your seasonal inspection for masonry work in late winter or early spring. Rapid City experiences intense freeze-thaw cycles, so check for cracked mortar and shifted hardscaping. Inspect chimney crowns after warm Chinook winds. Following the spring rain season, look for water stains. Finally, check for hail damage in late summer before winter returns. Inspect the base of retaining walls for frost heave signs every spring.
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Ongoing maintenance for masonry work includes clearing retaining wall weep holes annually to prevent hydrostatic pressure buildup. In Rapid City, intense sun exposure degrades sealants quickly, so reapply penetrating sealers every few years. Inspect chimney crowns and reseal them regularly to block moisture. You must also check exposed mortar joints yearly for freeze-thaw damage, and schedule professional tuck-pointing to repair any cracked or pitted areas after major hail events.
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To ensure safety during masonry work, install temporary fencing around open footing excavations and fresh, highly alkaline mortar that burns pet paws. Rapid City experiences sudden weather shifts, so secure the site daily. Keep children and pets indoors to avoid inhaling hazardous silica dust from cut stone. For older homes, hire certified specialists to safely contain lead paint dust. Always inspect the completed project for sharp stone edges.
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The Rapid City, SD homeowners’ guide to masonry services
From average costs to expert advice, get all the answers you need to get your job done.
Door or window lintel replacement costs $400 on average, but there are ways you can save. On the other hand, complicated work will increase costs considerably.
Need to repoint brick in your home to make your home look fresh and new? Use this guide to repointing brick cost to price out your project before starting.
This guide features information on the costs to repair a brick wall, whether or not you need a brick mason to complete spalling, tuckpointing, or a full restoration.
Discover the wide variety of masonry materials for your next home upgrade project. Our guide covers the different types of materials to choose from and more.
When it comes to masonry versus concrete, it can be easy to confuse the two. Use this guide to learn about the differences in appearance, strength, and more.
