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*The Angi rating for Concrete Leveling companies in Richmond, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

*The HomeAdvisor rating for Concrete Leveling companies in Richmond, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Leveling needs.

Last update on December 08, 2025

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EHM

4.50(
16
)

EHM

4.50(
16
)
Customers say: Quality work
71 years of experience

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021

EHM is a structural moving and elevating company that also specializes in foundation repair and replacement. We have been working in the Midwest since the Great Floods of 1993. We specialize in severely comprised foundation issues. We can elevate, level, pier or replace a wall or your entire foundation. We do not do mudjacking, waterproofing or minor crack repair.

"I did not get the service that we originally talked about I am very unhappy"

Donna S on August 2021

Concrete Leveling questions, answered by experts

A concrete driveway lasts between 25 and 30 years on average, and that's only with proper maintenance. The longevity of a concrete driveway also depends on the method and quality of installation, as well as your local climate. If your driveway gets a lot of wear and tear from several vehicles—especially heavy ones like trucks and RVs—your driveway will last less than the typical 25- to 30-year lifespan.

You should have at least 4 to 6 inches of compactable base under your concrete slab. Your contractor may recommend more depending on the structure.

The actual moisture level that is acceptable for your concrete floor depends on what primer or flooring material you plan to install above it. For this reason, you should check the manufacturer’s instructions for the exact details.

Generally, the moisture levels should be 3.5% to 4.5%, although it does vary. Some products can handle higher levels of moisture, so you should always test your concrete before purchasing your flooring materials.

Dry pour concrete cures in the same amount of time as wet pour concrete, so you’re looking at four to six hours for it to harden, 24 to 48 hours before you can remove forms and expose the slab to foot traffic, a week before it can stand up to vehicle traffic, and about a month for it to be fully cured.

Yes, pressure washers can remove rust stains from concrete. However, when coupled with an acid treatment, they can be even more effective. Just be sure to use a minimum of a 15-degree nozzle to prevent damage to the surface, and users must also be careful not to get in the way of the pressure washer’s jet as they can cut through skin and cause injury. 

The Richmond, NH homeowners’ guide to concrete leveling services

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