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  • Item: ChimneyRx Masonry Chimney Water Repellent
  SKU: SS22128  Q/A: data-sheet
  Size: Available in 1 gallon recyclable containers.
  Appearance: Milky White
  VOC Content: 50.6 gr/ltr  
  Case Pack: 1-gallon; 6/case  
  Shelf Life: 18-24 months  
  UPC Code: 7-09057-22128-3
  Quick Product Facts  

ChimneyRx Masonry Chimney Water-Repellent is a penetrating, VOC. compliant, water-repellent which contains a proprietary adjusted siloxane. This water-based siloxane penetrates masonry up to 1/4 inch or more depending on surface porosity and moisture content at application. ChimneyRx Masonry Chimney Water-Repellent reacts with the minerals in masonry in the presence of ultraviolet light and atmospheric moisture.

  • Non-Glossy.
  • 100% Vapor Permeable
  • Efflorescence/Stain Protection
  • Protection from Acid Rain and Waterborne Chemicals
  • Mildew/Fungus Resistant
  • Freeze-Thaw Protection

purchase ChimneyRx Masonry Chimney Water Repellent

  ChimneyRx Masonry Chimney Water Repellent

ChimneyRx Masonry Chimney Water RepellentWhere to Use:
ChimneyRx Masonry Chimney Water-Repellent protects most vertical and horizontal outside, above-grade masonry surfaces including: Adobe; Architectural Concrete, Precast or Cast-in-Place; Clay Brick; Mortars; Natural Stone; Limestone; Granite; Sandstone; Terra Cotta; Exposed Aggregate Products; Portland Cement Stuccos and Concrete Masonry Units. Natural substrate color and surface textures remain unaffected with little to no gloss.

Apply from bottom up using a low pressure sprayer (10-25 psi) with a fan type nozzle.

What are the Coverage Rate(s):
Coverage rates will typically range from 90-150 sq. feet per gallon depending upon surface porosity

When to Apply:
Surface and air temperatures should be a minimum of 40°F. Do not use on asphalt-based material and surfaces. Do not apply to frozen or frost covered surfaces. Application must be to clean, sound, dry to slightly damp surfaces. Do not apply to wet or water saturated surfaces, or when rainfall is expected within six hours.  Cure new masonry a minimum of 28 days, and at least 72 hours after repairs or tuck pointing before applying product.

How Long to Wait:
Two to six hours, depending on temperature and humidity.

Cleaning Up:
Thoroughly rinse spray equipment with clean water. Clean rollers with soap and water. Rinse thoroughly..

Safety Precautions to Observe:
Proper safety procedures should be followed at all times while handling the product. Wear chemical resistant gloves and chemical splash goggles. 

Refer to the Material Safety Data Sheet for important health and safety information before use.

  Worth Quoting...  
" Over application of material may cause darkening of surface. Product will cause stains left on surface being treated to darken. Remove all stains before applying. "
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