Concrete Chimney Cap Sealer

Follow the steps on how to waterproof a chimney.

Concrete chimney cap sealer. It doesn t have to be that way. It dries to a natural concrete mortar appearance. Among the items recommend to do was to repair seal the crown cap which had several cracks and in poor condition. Crownseal can be easily colored using standard mortar dye.

By simply sealing the bricks and the crown and adding a chimney cap you ll greatly extend your chimney s life. I first used the quikrete quick setting cement 10 15 min 10 lb to repair the cracks on top of the crown and let that cure. And if left untreated the damage can accelerate quickly and cost you upward of 3 000. The chimney should be clean and free of dirt oil dust and any unwanted contaminants.

Use on chimney corbels the tops of masonry and parapet walls or wherever a flexible waterproof membrane is needed. A chimney crown is a concrete cap that tops the masonry walls of a brick chimney to shed water and seal the chimney s flue to the masonry. A solid crown in good repair prevents water damage from. There are two main reasons why you should seal the chimney.

The best type of sealer to use on a chimney both brick stone or masonry based is of a silane siloxane chemistry. Crownseal is a long lasting and durable coating that requires no mixing or special bonding agents. Armor sx5000 concrete sealer review average 4 8 star review siloxane pd concrete sealer review average 4 5 star review dryway water repellent concrete sealer review average 3 8 star review if your chimney is not in perfect. The need for waterproofing applies to brick chimneys in particular.

Second the sealant works as a waterproofing agent and prevents leaks. They quoted 300 to do the crown repair. Waterproofing and sealing a chimney can be vital to its structural integrity. A cracked chimney crown or spalling bricks can easily cost 1 000 to repair.

Remove the squirrel. Fix any cracks in the mortar or if the chimney is severely damaged re point the chimney. I had a chimney sweep come out and do a chimney inspection for 100. Silane siloxane products are penetrating and will leave no visible sheen or gloss.

Before sealing a brick chimney clean the surface with a brick cleaner to remove all curing compounds or visible stains such as mold mildew efflorescence or rust. Silane siloxane concrete sealers can be used to seal the brick the grout and the crown if the crown is concrete.