ChimneySaver Water Repellent For Block Chimneys is an architectural grade product that meets all industry guidelines for selection of commercial water repellents for block chimneys and other concrete masonry units (CMUs). This high performance penetrating blend of silane/siloxane and acrylic elastomers bonds with the minerals in blocks and CMUs to provide long-lasting water repellency. ChimneySaver Water Repellent for Block Chimneys is breathable, and treated surfaces show little or no change in color or appearance. Product can be used on dense materials, such as brick when a sheen or gloss is desired.
ChimneySaver Water Repellent for Block Chimneys
ChimneySaver Water Repellent for Block Chimneys protects vertical exterior, block chimneys. It is ideal for very porous masonry surfaces.
- 7 Year Warranty
- 100% Vapor Permeable
- Non-Glossy Look
- Excellent for Use on Very Porous Masonry Surfaces
- Combines the Advantages of a Breathable Water Repellent and a Film-Forming Sealer
- Efflorescence/Stain Protection
- Freeze/Thaw Protection
Additional Info
- Coverage Rate: Approx. 40-80 sq. ft. per gallon
- Available Sizes: 1 gallon containers
- Application Temperatures: Minimum 40° F
- Application Method: Pump Sprayer
- Dry Time: 30 min – 2 hours (allow 6 hours before rainfall)
- Cleanup: Soap and water while product is still wet – be sure to remove overspray from non-target surfaces (especially windows/glass) before product dries
Related products
Sorbent Pads
Sorbent Pads are great for protecting roof shingles from ChimneySaver overspray. When spraying ChimneySaver through a pump-up sprayer, overspray that is allowed to dry on the roof can discolor shingles, making dark spots appear where overspray lands. This soft, absorbent material prevents overspray from soaking through and are designed to stick to the roof without sliding off. Sorbent Pads are available in packs of six. Don’t forget these when doing your next ChimneySaver job.
ChimneySaver Multi-Purpose Water Repellent
ChimneySaver Multi-Purpose Water Repellent is a high performance VOC compliant product that's a perfect fit for sealing and protecting brick walls, driveways, sidewalks and patios.
- 100% breathable silane/siloxane water repellent
- Protects horizontal and vertical surfaces
- Waterproofs concrete and masonry surfaces
- Protects against de-icing salts and chemicals
- Water-based
- Great for driveways, sidewalks, patios, chimneys, brick walls, and more
Siphon Pump
Save money and buy ChimneySaver products in bulk 30 and 55 gallon drums. Use this siphon pump with 30 and 55 gallon drums to siphon ChimneySaver into smaller containers to take to the jobsite.
FlashSeal Fabric
Use FlashSeal Fabric with FlashSeal Elastomeric Flashing Sealant for added strength and stability to your flashing repairs.
- Mesh fabric can be used between layers of FlashSeal to strengthen repair
- Available in rolls 6" x 150'
CrownCoat Brushable Crown Repair
Because of its unique ‘quick drying,’ water-based technology and its easy brush-on application, CrownCoat Brushable Sealant has become a favorite among chimney professionals. CrownCoat is premixed and can be used wherever a long lasting waterproof membrane is needed. Fill larger cracks and voids with patching cement or high quality caulk, then apply two coats of CrownCoat.
- 15 Year Warranty
- Permanently Flexible
- Completely Cures In 2 – 4 Hours
- Easy Brush-On Application
- Ready to Use
- Environmentally Friendly
ChimneySaver RTV
ChimneySaver RTV is a clear, solvent-based silicone elastomer formulated for concrete block and other highly porous masonry with minimal altering of the natural appearance.
- Effective on hard-to-seal surfaces
- Controls water penetration
- Controls moisture related staining
- UV and temperature stable
- Ten-year warranty on vertical surfaces
- Provides durable water repellent protection
- 100% water vapor permeable
- Bridges hairline cracks
ChimneySaver Solvent-Base Water Repellent
ChimneySaver Solvent-Base Water Repellent is a penetrating water repellent which contains a proprietary modified siloxane. This solvent-based siloxane penetrates masonry up to 1/4 inch or more depending on surface porosity and moisture content at the time of application. ChimneySaver Water-Solvent Water Repellent reacts with the minerals in masonry in the presence of ultraviolet light and atmospheric moisture. This reaction forms strong permanent bonds beneath the surface and creates a hydrophobic zone that prevents water molecules from penetrating, while allowing free migration of water vapors. The chemical bonds formed in this process allow ChimneySaver Water-Solvent Water Repellent to become an integral part of the substrate and provide long term water repellent protection.
- 10 Year Warranty
- 100% Vapor Permeable
- Non-Glossy Look
- Efflorescence/Stain Protection
- Freeze/Thaw Protection
- Can Be Used on Previously Treated Surfaces
- Can Be Used on Driveways and Sidewalks
Crack & Joint Sealant
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
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