Masonry Waterproofing
Stop water damage with masonry waterproofing across Ontario. Breathable sealers protect brick from freeze-thaw cycles while fixing root causes first. Professional application guaranteed.
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Benefits of Our Masonry Waterproofing Service
Stop water coming into your house through damaged brick
Fix leaking chimneys and prevent interior damage
Protect against ice and water damage in Ontario winters
Stop salt and moisture absorption from driveways
Use breathable sealers that won't trap moisture
Fix flashing and weep holes - not just surface treatment
Complete leak elimination with proper diagnosis
Long-term protection designed for Ontario climate
Get Your Masonry Waterproofing Quote
Answer a couple of quick questions to get a personalized estimate
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Licensed • Insured • WSIB
4.9/5 from 1,200+ homeowners
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Our Masonry Waterproofing Process
Find the Real Problem
We inspect for leaking flashing, blocked weep holes, cracked mortar, and moisture paths before sealing anything
Fix Structural Issues First
Repair damaged mortar, fix flashing, clear weep holes, and address drainage before applying waterproofing
Choose the Right Sealer
Select breathable siloxane or silane sealers based on your brick type - clay, limestone, sandstone, or block
Apply When Conditions Are Right
Apply during warm, dry weather (10-27°C) with no rain for 24 hours to ensure proper penetration and cure
Verify Protection
Test water repellence and provide maintenance schedule - most sealers need reapplication every 5-10 years
Frequently Asked Questions
Water usually enters through damaged flashing, cracked mortar joints, or blocked weep holes - not just through the brick itself. We find and fix the real source, then protect against future water absorption.
Proper breathable sealers (siloxane/silane) soak into the pores and stay invisible when applied correctly. We avoid film-forming coatings that can trap moisture and cause spalling.
Late spring through early fall works best. We need warm, dry conditions (10-27°C) with no rain for 24 hours before and after application. This gives the sealer time to penetrate and cure properly.
Parging is a cement coating that can hide problems but doesn't stop water infiltration. Waterproofing uses penetrating sealers that actually reduce water absorption while letting trapped moisture escape.
Masonry waterproofing reduces rain absorption but won't fix major foundation leaks or drainage problems. We assess whether you need surface protection or more extensive foundation work.
Signs include water coming into the house during rain, white salt deposits (efflorescence), spalling brick faces, leaking chimneys, or ice damage. We can test water absorption to measure how much protection you need.
Ready to Get Started?
Contact us today for a free consultation and quote on your masonry waterproofing project.