Freeze-thaw cycles are the repeated patterns of contraction and expansion in the mortar joints due to temperature variation, which leads to compromise in the structural strength and reduction of the lifespan of brick pointing. But brick pointing itself is a self-sufficient and strong method that keeps the bricks and mortar intact and bonded strongly, but environmental factors like freeze-thaw cycling damage its longevity. NYC has the highest rates of going through harsh weather conditions, so it’s important to timely repoint your brick structures with durable yet eco-friendly mortar.
In this blog, we’ll discuss how freeze-thaw damage impacts the lifespan of brick pointing and how it is possible to prevent your masonry for decades.
Reasons for the Susceptibility of Mortar Joints
Before understanding the visible damage, it’s important to know why mortar joints are vulnerable to freeze-thaw cycles in the first place.
- Permeability of joints: Mortar naturally absorbs water, leaving it exposed to freezing.
- Aging mortar condition: Older joints are brittle and easier for water to penetrate.
- Climatic Impact: Walls facing heavy rain stay wetter longer.
- Incorrect Composition: Too-strong mixes trap moisture, causing brick or mortar to fail under pressure.
Outcomes of Freeze-Thaw Weathering
Let’s have a look at how freeze-thaw damage can reduce the service life of the brick pointing:
- Cracking & Spalling: Expansion & contraction result in cracking of the mortar due to temperature fluctuation.
- Weak Bond Strength: Mortar curtails the supporting ability and loses the power of brick bonding.
- Moisture Infiltration: The mortar joints get worse and let water seep in and erode the masonry.
- Aesthetic Issues: The brickwork starts looking dilapidated and weathered.
Similar weather-related risks have been detailed in can brick pointing prevent frost damage in cold climates?
Indicators of Freeze-Thaw Damage
Look out for these red flags to perform brick pointing:
- Falling of mortar when it is touched.
- Prominent voids in the mortar joints.
- Shifting & bulging of buildings.
- Flaking and spalling occur.
- Moist Patches and white crystal salts appear on the walls.
- Reduces drafts inside the masonry.
Excessive water infiltration during seasonal rains is also explained in what are the challenges of brick pointing during heavy rainfall?
Lasting Advantages of Preventive Care
Taking timely preventive measures offers several long-term benefits for your brickwork and overall property:
- It retains the structural soundness and integrity.
- It saves money on future repair costs.
- It helps in preserving the historic authenticity of the building.
- It improves insulation & consumes less electricity.
- It elevates the potential value of your property.
For heat-prone areas, see how does extreme heat impact mortar in brick pointing?
Conclusion
In conclusion, freeze-thaw cycles can be way more dangerous to your residential and commercial properties as they weaken the mortar joints, but by using the right kind of mortar with expert repointing techniques, you can keep your properties protected from expansions and contractions in your masonry. Frequent upkeeps and taking future preventive measures keep your brickwork lasting for decades and increase your property’s worth.
Sardar Restoration Corp. proudly serves every corner of NYC, including the Bronx, Manhattan, Brooklyn, Westchester, and Queens. Our services are designed to meet your needs, providing top-quality solutions wherever you are. Check our service areas to see how we can assist you in your location.
Contact us today at (+1) 917-355-8556 or sardarrestoration@gmail.com, or visit us at 2770 Fish Ave, Bronx, NY 10469, United States.
FAQs
Do you provide brick repointing that withstands freeze-thaw cycles?
Yes! Sardar Restoration Corp. offers brick pointing services that are made to withstand freeze-thaw cycles and harsh-weather conditions. We use durable materials and smart techniques to strengthen your mortar joints.
Do you seal brickwork to reduce water penetration?
Sardar Restoration Corp. uses the water-repellent yet breathable sealants in moisture-prone areas, so they will be properly sealed and will not trap water inside the brickwork.
Do you handle historic or older buildings that need gentler materials?
Yes! Sardar Restoration Corp. expertly handles historic buildings using the lime-based mortar that is appropriate for older constructions, as it retains the foundational strength and architectural authenticity.
Do you offer maintenance after repointing is done?
Yes! Sardar Restoration Corp. offers a wide spectrum of maintenance after the repointing is done, with yearly or quarterly property inspections, upkeeps, and repairs.
