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ChimneyRx Masonry Crack & Joint Sealant is a brushable elastomeric sealant used to repair exterior cracks in mortar joints on chimneys, brick walls and between concrete or stone masonry units. It seals larger cracks and other defects that cannot be corrected with water repellents alone.
Seals cracks up to 1/8 inch wide on brick faces and at mortar and brick joint interfaces to provide waterproof protection. It dries clear to milky white, depending on the size of the crack. Product prevents water infiltration and subsequent damage, yet allows water vapor to escape. |
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Features
- Prevents Leaks Through Mortar Joints
- Seals Cracks Up To 1/8"
- Easy Brush Application
- Water Based
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