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Proudly Serving All Of New England Since 1972!

New England’s Longest Running Foundation Cracks Repair Company

When Foundations Crack, Everything's at Risk

Your foundation walls are designed to support the weight of your house and to resist moisture that’s surrounding them. When foundations work, you get to live in a stable and dry environment.

But when they crack:

Not All Repairs Are Equal

Fixing foundation cracks isn’t as simple as squirting epoxy into them. There are different types of cracks and foundations, as well as very specific ways to properly do basement crack repair for each of them.

The wrong repair method can fail within months, costing you time, money, and continued water damage.

That’s why choosing a company with over 50 years of experience matters. We know which repair method works for your specific foundation type and crack pattern.

Boston Foundation Crack Repair

Things You Need To Know About Basement Crack Repair

There are 3 basic reasons for concrete to crack:

Shrinkage
– This happens shortly after a house is built. The poured concrete foundation dries too quickly, shrinks and hairline cracks appear.

Settling – Typically this happens for only a short period after the house is built. The foundation is placed onto ground that still wants to compress. If the compression is minor, the cracks usually are also minor. However, if the ground continues to compress for a while, the existing foundation cracks get progressively wider and new ones may appear over time.

Movement – This is the most common cause of cracks we see. When the ground around the foundation moves and shifts, it causes cracks. As movement continues, these cracks worsen and multiply.

Yes. Cracks in basement floors may happen for the same reasons as above, but they are different than wall cracks.
Floor cracks typically don’t leak unless an excessive amount of water is accumulating under your basement floor. If you have this problem, consider installing a below the floor drainage system. Before you do that though, make sure you check your sump pump. Many times water coming through the cracks in the floor is a sign your sump pump has stopped working properly.

Why floor cracks are harder to seal: Sealing basement floor cracks is difficult, if not impossible. Any waterproofing product you try to stick to the surface of the floor will eventually fail because the constant wetness of the concrete will keep it from adhering well or permanently. The problem is that the best topical crack repair is one applied on the side of the concrete where the water first enters. Unfortunately, in the case of basement floor cracks, the water is entering from the underside that you can’t reach.

Absolutely. Crack repair methods depend on the type of foundation that’s breaking.

Poured Concrete Foundations: Cracks in a poured concrete foundation can be filled with a flexible, expanding urethane sealant using an injection method because these walls are solid and monolithic.

Block, Brick, or Stone Foundations: Cracks in block, brick, or stone cannot be injected because those walls are made up of many pieces, much like a puzzle, that are held together with mortar which is porous. Cracks in these foundations are best repaired from the outside using a flexible, trowel-on elastomeric membrane. If outside repairs aren’t practical or affordable, then a tear resistant liner can be installed inside to protect your basement from moisture seeping in. An Interior Drainage System also needs to be installed so the moisture that accumulates behind the liner has somewhere to drain.

Epoxy can fix poured concrete foundations, but if ground pressure pushes against the foundation walls after the repair, the epoxy will not keep the wall from cracking again and leaking. With ground pressure being a year round occurrence in New England there are some sealing methods that are more reliable.
Yes, but they require special attention. Previously repaired cracks present a unique repair challenge and require additional preparation work and know-how to select an effective method to seal them again. The best options are to clean off as much of the previous repair as possible and inject it with urethane, and go outside and seal it with either sodium bentonite or elastomeric membrane.

Fix them all at once. Here’s why:

All cracks eventually leak. Fixing only the leaking ones just delays the inevitable, and costs more because you have to pay more than once to bring the repairman out again.

Water seeks the path of least resistance. If there are multiple cracks some will provide less resistance to the water than others so they leak first. Once the cracks are sealed, the water will look for the next easiest path which is typically the cracks that weren’t previously leaking.

Save money: When you are having cracks repaired, take advantage of quantity discounts usually available and have them all fixed at once.

Our Foundation Crack Repair Solutions

Types of Cracks We Repair

  • Vertical cracks
  • Horizontal cracks
  • Stair-step cracks
  • Hairline cracks
  • Previously repaired cracks

Our Repair Methods

  • Urethane injection for poured concrete
  • Elastomeric membrane application
  • Interior drainage systems
  • Tear-resistant liner installation
  • Sodium bentonite sealing

Our Process

  • Free inspection and assessment
  • Detailed explanation of the problem
  • Customized repair plan
  • Professional installation
  • Warranty protection

New England's Foundation Crack Repair Experts

Fix It Once, Fix It Right

Our methods account for year-round ground pressure and seasonal changes, so you won't need repeated repairs.

Longest Running in New England

Over 50 years of experience serving homeowners throughout New England. We’ve seen it all and know how to fix it right.

Proven Methods

We understand New England’s unique ground pressure challenges and use methods that last through harsh winters and seasonal changes.

Right Solution for Your Foundation

Poured concrete, block, brick, or stone – we know the correct repair method for each foundation type.

 

Get Your Foundation Cracks Repaired Before They Get Worse

All cracks eventually leak. Don't wait until the damage spreads.

Join thousands of satisfied New England homeowners who have trusted Keller Waterproofing since 1972!

Schedule Your No Obligation Free Estimate Today!

When you need experience, we have you covered.