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ChimneySaver® – A Fitting Name For Water Repellent Products

According to the Brick Industry Association (BIA) and other leading chimney organizations, chimneys require special attention and maintenance to prevent costly damage caused by water penetration. Chimneys are extremely vulnerable to the elements because of their position; virtually every chimney out there will likely have some signs of water damage due to its prominent rooftop location. The first step is to locate the exact cause and location of the damage and then find the best corrective measure.

Products That Work!

ChimneySaver® has been that corrective measure for many chimney service professionals for nearly 20 years due to its ability to reduce water penetration into the masonry by 99.9%! This unique repellent is also 100% vapor permeable, meaning it won’t trap water vapors in the brick. This is a huge bonus, as water repellents that trap these vapors inside the brick actually cause spalling—a condition in which the surface peels, pops out or flakes off—rather than prevent it.

Water- Or Solvent-Based Formula

ChimneySaver® is available in both water- and solvent-based formulas. The water-based formula is the more popular of the formulas; however, if a water repellent product has been previously applied to the masonry, it’s recommended that the V.O.C.-compliant, solvent-based formula be used instead.

Why Not Use A Sealer Or Silicone-Based Repellent?

Moisture from numerous sources is always present in masonry and concrete – it’s unavoidable! Sealers and silicone coatings may repel water, however, their water-resistant surface film also traps water vapors inside. Not being allowed to escape, these vapors wreak havoc on your masonry from the inside out by contributing to spalling, scaling, deterioration, and freeze-thaw damage. The following are just a few of the more notable features of ChimneySaver® repellents:

  • 10 Year Warranty
  • 100% Vapor Permeable
  • Non-Glossy Look
  • Efflorescence/Stain Protection
  • Mildew/Fungus Resistant
  • Freeze/Thaw Protection
  • Water-Based and Environmentally Friendly

Putting a stop to your leaky chimney is just one of the comprehensive chimney, fireplace and dryer vent services offered by the pros at Olde Town Chimney Sweeps. Click here or call 804-693-2859 to schedule your appointment today!


As chimney repairs go, having your chimney waterproofed can add many years of protection from moisture problems.

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