Crack and Joint Sealant is a unique, breathable, silicone elastomer. Think of it as a paintable caulk. Use it for sealing minor cracks (up to 1/8”) and defects in mortar joints where the mortar and chimney are otherwise sound. This allows you to easily correct these defects without the time and expense of tuckpointing.

• 10 Year Warranty
• Prevents Leaks Through Mortar Joint Cracks
• Seals Cracks Up To 1/8 Inch
• Compatible With ChimneySaver
• Breathable
• Easy Brush-On Application
• Soap And Water Clean-up