Chimney Brick Sealer, Clear Water-Based Siloxane Sealer - Breathable Water Repellent for All Exterior, Vertical Masonry Surfaces, 1 gal

Product Information

Waterproofing protects against the damaging effects of water seepage and chimney leaks in heavy rain, which can lead to severe problems such as structural damage, mold and mildew growth, and deterioration of the chimney itself. When masonry and brickwork are constantly exposed to weather (in particular moisture and temperature extremes), they will gradually degrade overtime unless protected. condensation in your chimney include issues with guttering, chimney ventilation and a shared chimney. Be sure to check with local building codes if applicable in your area prior to beginning this process especially if done by yourself (this is very important).

Fire cement and silicone - Direct Flues

Follow the instructions for your chimney cleaner and make sure that it is compatible with whatever surface type will be involved in this process before applying it as directed. Once you have applied the product and ensured all surfaces are covered, simply wait for it to dry up. When the chimney has been prepared and is ready, apply one coat of Microshield Ultra in mild conditions with a dry spell predicted.

This ‘running’ can be taken advantage of by reinforcing the bottom section of the chimney with additional sealer.

Seal your woodburner and flue with high temperature sealant Seal your woodburner and flue with high temperature sealant

If there’s not much, just brush them down carefully with a soft bristled brush or vacuum cleaner attachment. If no issue is found here, it is best to then inspect the chimney mortar joints for signs of damage. According to the Chimney Safety Institute of America (CSIA), all masonry chimney construction materials — with the exception of stone — will suffer “accelerated deterioration as a result of prolonged contact with water.Also note that some jurisdictions require licensing; make inquiries beforehand since this could increase costs substantially. All in all, silicone is known for its remarkable toughness and flexibility that is rooted in its chemical composition. The primary reason for that is the fact that concrete block chimneys are by far the most porous and hence require extra protection.