Leach Stop 5G

$376.55

Leach Stop is an invisible, protective barrier that helps to prevent architectural precast, GFRC, concrete and natural stone surfaces from leaching minerals onto adjacent glass and metal surfaces which causes stains.  This product protects the stone surfaces from water penetration. This product is designed for high-performance building restoration and preservation applications. Leach Stop Carries a 10 Year Warranty.

Category: SKU: LS-5G

Description

This product is an invisible, film-forming, UV-resilient, breathable, penetrating sealer. It is designed to penetrate the surface and react with the silica within the stone, expanding and filling microscopic cracks and crevices in the material to create a long-lasting repellency to oil, water and waterborne stains.
The primary function of this product is to help prevent precast from leaching minerals onto adjacent glass and metal frames in multi-story buildings with flush-mounted windows. This product is created from a proprietary blend of partially inorganic polymers, and therefore will not degrade like inferior, conventional stone sealers.
Conventional sealers leach degrading materials from the surfaces on which they are applied. Furthermore, Leach Stop protects surfaces from water erosion, which contributes to stains when minerals are carried down onto architectural surfaces. Surfaces treated with this product can easily be cleaned using deionized water.
Leach Stop should be used after the precast concrete cleaning process to help close the pores of the precast material (while still allowing a breathable surface), in order to prevent the penetration of water, oils and environmental pollutants which act together to create stains. Leach Stop will help keep precast cleaner for longer and help to protect from water damage, therefore, prolonging the life of the material.

VIEW AND DOWNLOAD PRODUCT DATA SHEETS FOR LEACHSTOP

PRODUCT ADVANTAGES
  • Mitigates leaching and efflorescence
  • Excellent UV stability
  • Can withstand extreme temperature fluctuations
  • Creates a breathable surface
  • Excellent beading capabilities
  • Enables newness retention
  • Surface stays cleaner longer
  • Strong surface bonding capability
  • Prevents surface wetting or darkening
  • Suitable on polished stone and dense surfaces
  • Long-lasting sealer will not degrade or leach
  • Helps to protect against graffiti
  • Low odor
  • Long-lasting protection
  • Invisible protection
  • Stain-resistant
  • Easy to use

INTENDED USE

LeachStop was designed for use on precast, concrete and natural architectural stone.

HORIZONTAL OR VERTICAL

LeachStop can be used for horizontal and vertical surfaces. Horizontal surfaces may need reapplication sooner than vertical surfaces.

COVERAGE RATE

1,250 – 2,000 Feet Per 5 Gallon Pail

Leach Stop Product Info Chart
Solvent Solvent Based
Flammable Yes
User Friendly No
Economically Efficient Yes
Environmentally Friendly No
Color Clear
Smell Petroleum

SURFACE PREPARATION

Complete all caulking and surrounding construction substrate applications prior to using this product. Newly installed stone or grout must be allowed to cure before application. 

Protect against personal contact with this and all chemical products. Always test in a small, inconspicuous area prior to use. Ensure the stone is completely clean and free from all dirt, staining and biological growth using any of Presto’s stone cleaning products. Make sure to thoroughly rinse the material to ensure no cleaning product is left behind on the surface prior to sealing. Any cleaning product left on the surface can interfere with the protective coating.  Never apply to a damp or wet surface. Do not apply at below freezing temperatures. Protect any unintended areas.

 

In many instances, a combination of different stone cleaning products is necessary for various stone surfaces depending on their level and type of staining. Presto offers a complete line of stone cleaning products for all situations, including:

 
  • Stone Restore® HD For difficult to remove mineral stains caused by efflorescence, rusting, red clay, iron, and more
  • Stone Restore® NC For general cleaning of sensitive stone surfaces that require a neutral cleaner
  • Stone Restore® A+ For heavy stains caused by oil, grease, grime and environmental pollution
  • Stone Restore® CT A citrus multi-purpose stone cleaner that removes oil and a variety of stains
  • Stone Restore® CB2 For difficult to remove biological stains
  • Stone Restore® PS For stubborn surface contamination on all types of polished stone

Application Instructions

Use a low-pressure sprayer, roller, brush, sponge or lambs wool applicator. Product may also be back rolled. Do not dilute; apply full strength. Apply product to create an even coat on the surface. Allow product to saturate surface. Do not allow product to pool on the surface and dry, or protection will be uneven and a residue may form. Remove excess material with a rag or towel. A second coat may be needed for porous, absorbent surfaces or for superior protection. Subsequent coats should be applied in the same manner as the first while the initial application is drying. Never apply a second coat if two coats were not tested and approved prior to use.

Protection will start to begin immediately after product dries on the surface. Cure time for maximum water and stain protection is 24-72 hours. Protect surface from contact with water for at least 48 hours. Application rates, concentration, temperature and humidity can impact dry and cure time.

CLEANUP

Clean tools and equipment with mineral spirits. In the event Leach Stop is allowed to come in contact with adjacent surfaces, dries and is difficult to remove, use any of the following surface restoration products:

SUGGESTED MAINTENANCE

For ongoing maintenance of the protected surface, we recommend the use of heated deionized water. Apply water and scrub with a soft bristle if necessary to remove build up. Then gently rinse the surface clean with low pressure. For exterior vertical surfaces, we recommend cleaning the surface every 2-3 years in order to retain a clean appearance and preserve the previous restoration. High pressure is not needed and may damage the surface coating or weaken its performance. This maintenance cleaning is not mandatory to ensure the coating will last as stated in the warranty and is only a recommendation.

View our Stone Restoration Pictures Featuring projects that utilized our many products for their building’s restoration, maintenance or cleaning project.
After cleaning or sealing stone surfaces, the glass windows and metal frames almost always need to be cleaned, and many times window spots and stains will need to be removed as well. View our glass and metal products that compliment our stone restoration and protection products.
DON’T FORGET THE GLASS AND METAL SURFACES

Additional information

Weight 43 lbs

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