Brick Chimney Water Sealer

Second the sealant works as a waterproofing agent and prevents leaks.

Brick chimney water sealer. In order to prevent water leakage mold mildew and efflorescence from occurring to your chimney these are the steps to take. Water vapor easily escapes through the membrane of this sealer which means that freeze or thaw damage and efflorescence have a lower chance to occur throughout the life of the seal. When water hits the brick it will roll right off instead of penetrating through. Because bricks stone masonry are extremely porous they are at high risk of leakage if left unsealed.

Silane siloxane water repellent sealers penetrate into the surface of the brick where they chemically react to form a hydrophobic barrier within the pores. Clean the chimney make sure all mold mildew and efflorescence are completely removed. Leaks in a brick chimney can be dangerous for your home. In other words water can t get in but it could get out if need be.

First a good quality sealer protects the chimney and helps it last longer. It doesn t have to be that way. The best type of sealer to use on a chimney both brick stone or masonry based is of a silane siloxane chemistry. And if left untreated the damage can accelerate quickly and cost you upward of 3 000.

The best brick chimney sealer to use on exterior brick and mortar is a penetrating water repellent sealer. A cracked chimney crown or spalling bricks can easily cost 1 000 to repair. There are two main reasons why you should seal the chimney. The good stuff does cost more not prohibitively more but it is oh so so worth it.

Since about 99 of the people reading this have brick chimneys let s start there i will address non brick chimneys later. Silane siloxane products are penetrating and will leave no visible sheen or gloss. This product is unique among our reviewed brick and masonry sealers because it is designed for vertical surfaces like walls and chimneys. Chimneys made of stucco plaster stone and concrete also require sealing.

Water repellent sealers will chemically react within the pores of the brick and mortar to form an invisible hydrophobic barrier that can t be seen or felt from the surface. By simply sealing the bricks and the crown and adding a chimney cap you ll greatly extend your chimney s life. Leaks allow moisture into your home which can sealing leaks in a brick chimney can be a lot of hard work but can save you a lot of time and hassle in the future if you seal the leak before it causes too much damage. Brick chimneys sealed with a water repellent sealer are more resistant to cracking spalling pitting mold and mildew and efflorescence.

They are excellent at repelling water preventing mold and mildew build up and preventing unsightly efflorescence.