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Avatar for Quality 1st Basement Systems
Quality 1st Basement Systems
4.4(
312
)
Concrete Foundation - RepairConcrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Douglaston, NY and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"From the initial phone call to the completion of the job Quality 1st provided top notch professional service. A couple points which makes this easy to write. Communication is key whether in person or via telephone and Q1 was exceptional in this regard at every point. Telephone conversations with customer services was pleasant and cordial, never rushed or snotty. Paul our salesman was here for quite a while answering questions and assessing our needs in the basement. Of only was he on time for our appointment he was about 10 minutes early too. The cost of this project was a good chunk of change for us but after too many times of shop-vac’ing water we knew it was time to bite the bullet and move forward with making life a little easier and not have the issue of when will we get water in the basement again hanging over our heads. I was impressed that Quality 1st uses their own products and has their own R&D facilities. As for the installation, enough cannot be said for the crew that was here. I got the call at 9am they would be here in 20 minutes and at 9:20 they were backing in my driveway. I met the foreman Mario and his 2 helpers. We went into the basement and they looked around and asked if I had any questions. We had almost everything out of the basement and what was left they covered in plastic. By 9:50am they were running the jackhammers. We have a 1,500 sqft ranch and these guys worked all day, they didn’t stop and worked their tails off. I can’t remember exactly when the jackhammer stopped but by 2 pm the channel was dug out and they were beginning to lay out for the channel that carries the water to the sump. About 4pm Kyle showed up to assess the job and see if I had any questions or concerns. We spoke about the job and we went downstairs to see the progress. He stayed on site for about 45 minutes after making sure I was comfortable with how the job was going. By 5:15 or so the job was completely finished. Before they left Mario went over everything regarding the sump system. As far as cleanup, this is a dusty job. Concrete dust is ultra fine and they did a fantastic job of not only sweeping but they also dusted off areas which were not covered in plastic. They left no mess to speak of., I was very satisfied with their work and attention to detail. It’s easy to nitpick any job at anytime and there is nothing I would call them out on. Finally as for the functionality of the sump system I wish I had a comment on that at this time. We’ve lived in our house for 25 years and until around Thanksgiving of this year (2018) we’ve only had water about 4 times. Between Thanksgiving (2018) and New Years (2019) we got slammed 4 times and nothing since. With the symptoms of how our basement got water, I feel comfortable with the system Quality 1st installed and am confident they will stand behind their work and warranty. We’re also happy this is transferable to the next homeowner when we sell the house and it is an excellent selling point when the time comes."
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+181

Response time10 hrs
Response rate100%
37 neighbors recently requested a quote
Avatar for BuildingLI.com - BLI Facilities LLC
BuildingLI.com - BLI Facilities LLC
5.0(
32
)
Concrete Foundation - Repair

Serving Douglaston, NY and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"We were extremely happy with the work performed by H&M. Moises, Hector and crew were courteous and did whatever needed to please us. They did most of the renovation in our condo......painting, installation of bathroom cabinets, sink, installed tile floor, etc. They also installed vinyl flooring in our kitchen, living and dining rooms. They had a plumber replace our heating baseboard, I would highly recommend H&M if you want excellent work done!!"
before demo
kitchen demolition
demolition complete
kitchen tile job in progress
kitchen tile

+172

Response time7 hrs
Recommended by76%of homeowners
Avatar for Bobking Construction, Inc.
Bobking Construction, Inc.
4.7(
81
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessConcrete Foundation - Repair

Serving Douglaston, NY and surrounding areas

Approved

In business since 2005

Free estimates

Credit card accepted

"Bobking did a great job on my house. They painted the external house, repaired my cracked chimney, laid cement in my front yard and did brick work in front to prepare for iron gate work(another company). Their customer service was great and they worked very fast. All of the work was neat and as expected. I will definitely use and recommend this company again."
Brick pointing
Brick work
Concrete Sidewalk
Tile installation
Tiles installed

+66

Response time1 day
Recommended by88%of homeowners
Avatar for LUIGI COTUMACCIO MASONRY CONTR
LUIGI COTUMACCIO MASONRY CONTR
4.7(
73
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Douglaston, NY and surrounding areas

Approved

In business since 1985

Free estimates

Credit card accepted

"I refer to Luigi as the Michelangelo of cement, directing a team of very experienced and skillful employees whose sole business is cement and whose work is of such high quality that passersby comment approvingly and ask for business cards. Think about that: who gets compliments on their nice, new cement? On every level I found Luigi himself a pleasure to do business with. He is candid, honest, dependable, very knowledgeable about his craft, and an excellent communicator. His crew works one jobsite at a time so he can supervise them closely and protect pedestrians from potential hazards. As with all home improvements, it is best to be specific, clear, and detailed to avoid misunderstandings; contractors are not mind readers. A good test of their quality and integrity is how they handle the unexpected hiccups that do occur; in that regard, Luigi is among the best I have ever dealt with."
Additional Photos
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+6

Response time1 day
Recommended by96%of homeowners
Avatar for ProSeal Waterproofing
ProSeal Waterproofing
5.0(
8
)
Concrete Foundation - Repair

Serving Douglaston, NY and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

"Alex, the owner and lead contractor was a pleasure to work with. From start to finish the process was seamless. The waterproofing process was explained as well as the benefits from performing the work. Alex was personable, professional and knowledgeable. The pricing was very fair and competitive with the highest quality of workmanship."
Response time7 hrs
Response rate92%
6 neighbors recently requested a quote
Avatar for Melange Restoration, Inc.
Melange Restoration, Inc.
3.8(
32
)
Concrete Foundation - Repair

Serving Douglaston, NY and surrounding areas

Approved

In business since 2015

Free estimates

Offers commercial services

"Shahid is very easy to work with and wants to please and accommodate customer requests. I recommend him highly. However, his crew is uneven in quality; some are better than others. the project was satisfactorily completed but required considerable homeowner oversight. also, garden plants were damaged and house keys were never returned."
DRIVEWAY
NEW HOUSE BUILDING
NEW HOUSE BUILDING
Concrete
NEW HOUSE BUILDING

+88

Response time3 hrs
Response rate98%
1 neighbors recently requested a quote
Avatar for Dry Shield Construction
Dry Shield Construction
5.0(
4
)
Concrete Foundation - Repair

Serving Douglaston, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"I recently had a roof repair done, and I couldn?t be happier with the results. The team at dryshield arrived on time, were professional, and explained every step of the process in detail. They identified the issue quickly and provided multiple options before deciding on the best fix for my situation. The work was completed efficiently without causing any disruption to my daily life. They cleaned up thoroughly after finishing, and the materials used looked high quality. , and I?ve had no leaks or water damage since the repair. What impressed me most was their attention to detail ? They also offered a clear timeline and kept me updated throughout the process. I would highly recommend them to anyone needing roof repair or replacement. I plan to hire them again for future home improvement projects. Rating: ????? Recommendation: 100% ? I?ll definitely use them again"
57 neighbors recently requested a quote
Avatar for Raza & Sons Construction, Inc.
Raza & Sons Construction, Inc.
5.0(
2
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessConcrete Foundation - Repair+1 more

Serving Douglaston, NY and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

Platinum Construction is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and responsibility in all of our jobs. We are a locally owned and operated business with more than 6 years of experience serving Brooklyn, NY and surrounding areas. There is no job too big, or too small for our team. Call today and let us put our experience to work for you!

Response time1 day
Recommended by100%of homeowners
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House Leveling questions, answered by experts

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

Yes, you can mudjack cracked concrete, but the cracks will need to be repaired once the concrete has been leveled. If the concrete is severely cracked in multiple places, replacement may be a better option, but for less severe cracking, mudjacking is a good solution as long as cracks are correctly caulked and sealed.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

A good slump height really depends on the project, but there is a use for nearly all slump levels. For example, low slumps are best in projects that require structure, such as curbs and roads. High slumps often require additional reinforcement, but they flow more freely into hard-to-reach spaces.

Common issues with concrete that may require professional repair or resurfacing include cracks, spalling, uneven surfaces, and weather damage.

The Douglaston, NY homeowners’ guide to house leveling services

From average costs to expert advice, get all the answers you need to get your job done.