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After existing with a sloping, tilted front porch slab for over 10 years, I did some idle searching & stumbled onto the solution provided by TerraFirma. I read what they offered, then did a targeted search, as well as research into the alternative solutions available, now that I knew there was something out there to address my slab problem. TerraFirma's solution sounded to be the best available, so I requested an on-site visit. That was scheduled & we met as agreed. He reviewed the work to be done, then explained the process that would be followed to correct the problem, along with what to expect afterward. I was given an estimate, which I accepted. I was soon contacted by the office in Roseburg, to make an appointment, 2 or 3 months out, due to their heavy workload. When the time came, they showed up on schedule & got to work. Using a long hose from the truck & specialty tools designed specifically for the task, they made the necessary cylindrical holes at the locations determined to be optimal, then began the actual releveling process. It took about 4 hours, from start to finish, & the slab was back in position, with a guarantee that it would remain stable, within limits, for the length of the guarantee. I had prepared myself to follow up immediately to do the necessary cosmetic repairs to return the appearance back to what it was before the subsidence began, but was happily surprised to find that the only thing necessary was to replace some trim I'd found necessary to remove when the sinking began... less than an hour's work. As to the surface appearance of the slab, they had drilled far fewer holes than I expected & the appearance when they were done was such that they were barely visible & only nominally so, at that. Yes, I was very happy with the results.

Michael and Dorian did an excellent job . While working extremely hard, they ere polite and went out of their way to please us. We appreciate work done right. Thank you

I have used TF for several projects, their teams are very good to work with. Jacks were installed on a sinking garage wall, foam leveling of garage and patio slabs, seismic upgrade, and additional footing piers. It was large undertaking. When we redid our driveway, we discovered roof drain issues the required additional foam for the void under the garage. They are very pleasant to work with.

TerraFirma did a great job lifting a portion of my driveway that was sagging. They evened out the sagging section without cracking it. Repair is virtually invisible. They also did a great job of sealing the joints afterwards.

Terra firma lifted four sinking concrete slabs on our swimming pool deck. They used the poly foam method and did a fantastic job. We are extremely pleased with the results and we would definitely recommend Terra firma for this type of service. Casey, Ken, Cameron and Sammy are an exceptional team. They are professional, knowledgeable and proficient in their work ethics. Thank you all for a job well done. Sincerely, Rick and Mary Burnes

Very professional from start to finish and fair pricing. My wife and I were totally satisfied!

I had a great experience with TerraFirma, everything from communication and scheduling to the guys showing up on time and geeting things done quickly. Everyone was professional and I would recommend.

Great, professional service!

The service was provided in a timely and professional manner. Dan B. was very honest and pleasant, an organized and efficient workman.

Found this company through google search. They already had ~5 star reviews. And I am glad I picked them for sport court concrete support project. They were easy to reach for questions, gave reasonable quotes and were easy to get the project scheduled. The staff doing the work were friendly, explained what was happening clearly and cleaned up the job site well. They offer 5 year warranty on their work. Overall a positive experience thus far. Will use them for any future needs.

Great clean job. The two workers were excellent and knowledgeable.

Noah was extremely thorough and explained his findings clearly with optional choices of services that we needed with the pricing. He was friendly, courteous and easy to talk to. We would highly recommend Terra Firma. Noah is a very valuable representative of the company.