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Basement Waterproofing and
Foundation Repair Experts

Hamilton's Division of
A&A Masonry

Award Winning

Hamilton Waterproofing is a division of A&A Masonry, a 10-time award winning company that specializes in waterproofing, masonry and concrete.

Perfect Service

Hamilton Waterproofing will always deliver what is promised. We take care of our customer with clear and
concise communication from start to finish. The Goal is to have a dry home and a happy family!

Foundation Waterproofing

Basement foundation walls in Hamilton are typically constructed of cast-in-place concrete or concrete blocks. It is the unavoidable nature of these building materials to crack, especially in our Hamilton’s climate. 

Interior Basement Waterproofing

In most cases interior waterproofing is done when there are restrictions to exterior area where the problem lies. Sump pumps are also sometimes a necessary product to be installed

Crack Repair

Concrete will cure as it dries, and this can cause very small wall cracks. Those are normal, and you shouldn’t be too concerned with these. If the cracks are bigger just call us. and we can take of them.

Great Reasons
To Choose Hamilton Waterproofing…


We are not a franchise chain. We are not plumbers, we are locally owned and operated. We do not have a full menu of various waterproofing systems. We are concrete and foundation professionals who are fully trained in that area. We understand the fundamentals of waterproofing issues, foundation issues and know how to fix them depending on your specific needs.


Most houses in the Hamilton and the surrounding areas are brick with a concrete foundation. Cracks in the foundation and cracks in the homes brickwork can happen, and when they do we have you covered in repairing your concrete foundation but also repairing your brickwork. We match the type of brick used as close as possible to your existing brick and even the mortar colour.


Being homeowners ourselves we understand the importance of respecting your property and your neighbour's properties. All sites are kept clean and cleaned up thoroughly after the job is finished.


We start with an inspection and then give you a detailed quote. This is our area of expertise and we repair and build masonry and concrete structures day in and day out. With over 500 Homestars top reviews we care about or customer take great pride in doing the job right.

Customers reviews

What people say

Waterproofing? Call Us: 416-236-8721