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A Full Line of Foundation Repair Solutions

We offer a wide range of above and below grade concrete waterproofing and interior/exterior weeping tile and sump box solutions coupled with industry leading structural repair methodologies and a safe, robust and high quality approach to underpinning and foundation wall replacements. Click below for more information.

Basement Waterproofing

Basement Waterproofing

We specialize in basement waterproofing services for below grade concrete block, poured concrete, field stone and rubble stone foundation walls. With over 40 years of service in the GTA and backed by the most reliable warranty in the business see what the GJ MacRae difference is all about.

Foundation Crack Repair

Foundation Crack Repair

Is there a crack in your poured, block or rubble stone foundation wall and is this crack allowing water to leak into your basement? Why do interior crack repair methods simply not work? Trust the experts and see why GJ MacRae Foundation Repair carries the most reliable crack repair warranty in the business.

Int/Ext Weeping Tile

Weeping Tile Systems

A century old technology; reborn! Our services also include interior and exterior weeping tile systems coupled with deep insights and experience relating to all things drainage. Ask us the difference between interior and exterior drainage methods and enjoy the benefit of our expertise!

Window Wells

Window Wells

Basement windows are a great source of natural light and can also act as a designated fire escape, but what happens when window wells begin to deteriorate, clog and leak? Our hand excavated exterior window well repair solutions are permanent and allow for unimpeded drainage all year long, guaranteed.

Sump Pumps

Sump Pumps

Sump pumps and sump basins are an integral part of all below grade drainage strategies due to their simplicity, reliability, low cost and proven effectiveness. Ensure your sump pump, basin and battery backup system are well maintained and ready for the next big rain or thaw.

Structural Foundation Repair

Structural Wall Repairs

Is the structure of your home moving and is this movement accelerating as the years pass? The sooner the integrity of your foundation is restored, the better. We have a full line of time-tested, certified structural foundation repair solutions tailored to your scope and budget.

Crumbling Foundations

Crumbling Foundations

Are your foundation walls spalling, eroding or fragmenting? Is this damage accelerating through the years? Stopping moisture penetration through your above grade concrete structure is imperative. We offer brush parging, s-type, adhesive, mesh, fiber and thermal-slurry solutions for a lasting barrier.

Vibropak Underpinning

Basement Underpinning

GJ MacRae are pioneers of the overflow underpinning method in the Greater Toronto Area. Our underpinning process allows for safe, reliable vertical increases in basement ceiling height that can turn crawl spaces into full living quarters; and all for less than a standard second story addition.

Carbon Fiber Reinforcement

Structural Carbon Fiber

When your foundation walls begin to show signs of cracking or bowing it is generally an indication of severe exterior lateral pressure from tree roots, hydrostatics or poorly draining soil. Click here to find out more about our full line of carbon fiber foundation reinforcement applications.

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Recent Project Feed

final footing preparations! ✅

#foundationrepair #miltonunderpinning #ibeams #ibeaminstallation

shoring detail during ibeam installation/load bearing wall removal in milton

#foundationrepair #miltonunderpinning #since1975

a load bearing wall removal in milton 🏗️

#miltonunderpinning #foundationrepair #since1975 #underpinning

a complete 38ft residential ibeam installation with two posts and shoring (3 piece beams, 1650lbs)

#foundationrepair #ibeaminstallation #underpinning #miltonunderpinning

two fresh ibeam pocket installations, time for some s-type! 🪨

#miltonunderpinning #underpinningtoronto #residentialstructure #foundationrepair #since1975

an absolutely clutch tool when working on residential ibeams - an electromagnetic drill! 🔥⚒️

#ibeaminstallation #miltonunderpinning #foundationrepair #underpinning

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