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The Ultimate Guide To Chimney Waterproofing

Post by : Admin


Waterproofing can help you keep your chimney clean and prevent water from seeping into the chimney and fireplace, resulting in damages. Water leakage can cause cracks, chipped paints, and structural problems to your fireplace. People get their chimneys waterproofed to reduce regular repairs and costs.

Here’s an ultimate guide to chimney waterproofing.

Worn out chimney with structural issues

How Does It Work?

A waterproofing solution is applied to the chimney that doesn’t allow the water to pass through. It’s a protectant layer that acts as a sealant.

As the masonry material of the chimneys has sizeable openings, they allow the water to collect in it, resulting in water absorption. So, there are various waterproofing formulas available to use to protect your chimney. They allow the smoke and fumes to release into the air but don’t allow the water to enter the chimney. The sealant can remain functional for around 5 to 10 years. This helps in reducing the need for repairs and reapplications.

How Is It Applied?

Professional masonry and chimney experts know the right way to apply the waterproofing agent. They usually spray the formula on the surfaces of your chimney. The part at the top is sprayed a couple of times as it is more prone to water damage. All kinds of precipitation will have to be borne, so it requires more application.

The Chimney Breast

The chimney breast is the part that leads the chimney to the fireplace. Snow and rain can cause more problems to the chimney breast, so more layers are applied. A water-based solution is used as a cheaper alternative. It is safe for transportation and storage and works as a great sealant.

When you have non-vertical walls, you need to get them waterproofed in a way that the solution gets absorbed in them completely. Some technicians cover them with numerous layers of the waterproofing agent to ensure water protection.

The Chimney Crown

Your chimney’s highest point is the chimney crown. Concrete and mortar are used to make it and give it structure, and a flat surface is formed on top. This is why it requires more waterproofing to avoid water from settling on it. The concrete is quite permeable as it is created to allow the chimney to breathe. This can result in more damages due to extreme weather conditions.

Mortar Joints

Your chimney plays a major role in keeping your house safe. The other attachments, like the mortar joints, are also essential and need to be maintained. Any missing gaps can allow water to seep into the chimney.

You can contact us to get your masonry and chimney repairs. We also provide waterproofing services to keep your house healthy and safe.