MasonryDefender Chimney Crown Protection & Sealant

By: ‎MasonryDefender

MasonryDefender Chimney Crown Sealer is the perfect solution for fixing and preventing chimney leaks. This brushable sealant is easy to install and provides superior value for money. Plus, MasonryDefender offers the best customer support and overall satisfaction for their Fireplace Chimney Caps. Visit the MasonryDefender Store today and get the best protection for your chimney top!

Key Features:

This sealant is specifically designed to fix cracked chimney tops and seal and waterproof chimney crowns. It stops water leaks quickly and permanently, providing a flexible seal that won't crack or break over time. Plus, its brushable formula makes it easy to apply, so you can get the job done fast. Get the peace of mind that comes with knowing your chimney is safe and secure with this brushable sealant.
95
B2B Rating
26 reviews

Review rating details

Easy to install
97
Customer support
98
Overall satisfaction
99
Sturdiness
99
Durability
99
Value for money
98
Quality of material
98
Size
87
Packaging
94

Pros and Cons

Pros
  • The sealer is ideal to seal and waterproof chimney crowns that prevents water leaks
  • Comes with great coverage of 20 Sq. Ft. per half gallon container that makes it suitable for long term use
  • Designed with a permanently flexible sealant that will not crack or chip over time and will stay flexible
Cons
  • May require extra coats

Details of MasonryDefender Chimney Crown Protection & Sealant

  • Batteries Required?: ‎No
  • Customer Reviews: 4.7/5 stars of 318 ratings
  • Size: ‎1/2 Gallon
  • Item Weight: ‎5.5 pounds
  • ASIN: B08F7ZKG7H
  • Manufacturer: ‎SaverSystems
  • Brand: ‎MasonryDefender
  • Material: ‎concrete
  • Water Resistance Level: ‎Waterproof
  • Batteries Included?: ‎No
  • Style: ‎Compact
  • Color: ‎Light Gray
  • Item Form: ‎Liquid
  • Date First Available: August 4, 2020
  • Compatible Material: ‎Concrete
  • Best Sellers Rank: #78,354 in Home & Kitchen #12 in Fireplace Chimney Caps
  • Package Dimensions: ‎6.34 x 6.06 x 5.75 inches

Comments

D -D -: Brushed it on per the directions. It cleaned up the top of the chimney and sealed it as expected.

United States on Nov 06, 2023

asav: I'd recommend this Chimney Crown Sealer. It is very thick and sticky, and it filled nicely the cracks in our chimney crown. This is the fireplace chimney, the crown is new concrete, and the cracks are just a bad incompetent contactor's job. The masonry inside the house always showed water leaks during longer precipitation events. The sealer seems to have stopped this. I applied generously, and will re-apply in 1-2 years, to just use up what's left.

United States on Oct 24, 2023

Amanda G.Amanda G.: This product worked really well. I've never patched my chimeny. It was smooth and easy to apply. Looks so much better. No longer chipping.

United States on Oct 13, 2023

Vicki morin: Couldn't buy this locally. Stopped leak in Chimney thank God.

Canada on Sep 23, 2023

Amazon Customer: Chimney leaked. Painted this stuff on and no more leaks even in heavy rain.

United States on Aug 27, 2023

David: Sealer arrived on time and packaging was great. When applied to my chimney cap the sealer went on smoothly and covered small cracks and imperfections very well. Very pleased

United States on Aug 19, 2023

MA: Had a cracked crown that really leaked down into the chimney cavity. Found this stuff on Amazon. Got a chimney guy here in Australia to apply it while he was cleaning the chimney. Since then we've had record rain and no leaks so it must be working. The chimney guy in Australia hadn't heard of it before but was really impressed and did a deal where he took the remaining and reduced my bill! Time will tell if it lasts but so far it's saved me at least a few hundred dollars.

Australia on Apr 07, 2022

Moe: Wire brushed the cap, then applied only one thick coat as the temp was falling and rain was in the forecast. Luckily the rain held out for 5 or 6 hours and it all went smoothly. Went back up on the roof a week later and it was completely cured and bonded perfect. Used about 2/3rds of the pail will apply second coat in the spring. Time will tell if it lasts.
Update...After a long cold winter it was perfect, used the rest of the pail to fill in any depressions etc in early spring. Looks great.

Canada on Nov 04, 2021

MasonryDefender Chimney Crown Protection & Sealant Gardus SLK-24 SootEater Rotary Chimney Cleaning System for Safe and Efficient Liner Maintenance PLYLOX Carbon Steel Hurricane Window Clips - 1/2" Size
MasonryDefender Chimney Crown Protection & Sealant Gardus SLK-24 SootEater Rotary Chimney Cleaning System for Safe and Efficient Liner Maintenance PLYLOX Carbon Steel Hurricane Window Clips - 1/2" Size
B2B Rating
95
97
96
Sale off
Total Reviews 26 reviews 269 reviews 32 reviews
Batteries Required? ‎No ‎No
Customer Reviews 4.7/5 stars of 318 ratings 4.5/5 stars of 179 ratings 4.7/5 stars of 1,296 ratings
Size ‎1/2 Gallon ‎1/2"
Item Weight ‎5.5 pounds 3 pounds ‎14.4 ounces
ASIN B08F7ZKG7H B01MRIPQMY B014PYV0P0
Manufacturer ‎SaverSystems No ‎PLYLOX
Brand ‎MasonryDefender
Material ‎Concrete ‎Carbon Steel
Water Resistance Level ‎Waterproof
Batteries Included? ‎No ‎No
Style ‎Compact
Color ‎Light Gray ‎Black
Item Form ‎Liquid
Date First Available August 4, 2020 May 22, 2007
Compatible Material ‎Concrete
Best Sellers Rank #78,354 in Home & Kitchen #12 in Fireplace Chimney Caps #57,341 in Home & Kitchen #196 in Fireplace & Stove Accessories #290,556 in Tools & Home Improvement #245 in Window Dressing Hardware
Package Dimensions ‎6.34 x 6.06 x 5.75 inches
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