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As part of the Krystol Crack Repair System, Krystol Repair Grout is a crystalline concrete waterproofing product that stops water flow to permanently repair leaking cracks, voids, and construction joints in concrete. It can also be used for surface repairs and waterproofing of defective, damaged, or deteriorated concrete. The repair grout utilizes advanced fiber technology and shrinkage-controlling additives to prevent cracking.
Krystol Repair Grout contains Krystol Technology. When applied to concrete, Krystol chemically reacts with water and unhydrated cement particles to form insoluble needle-like crystals that fill the pores and micro-cracks in the concrete, blocking the pathways for moisture and waterborne contaminants. Moisture entering the concrete over its service life will reactivate the crystallization process, ensuring permanent waterproofing of the concrete.
Use with Krystol Plug quick-setting cement to repair leaking cracks, construction joints, and other concrete defects.
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Krystol Repair Grout coverage is approximately 15 linear meters per 25 kg (55 lb) pail when used with Krystol Plug quick-setting cement; 10 linear meters per 25 kg (55 lb) pail when Krystol Repair Grout is used without Krystol Plug quick-setting cement. Coverage is based on filling a 40 mm x 30 mm (1.5 in x 1 in) groove.
Read Application Guide 5.12 – Waterproofing Application Guide for Cracks, Voids and Construction Joints (Simplified Method) carefully before using this product.
Step 1, stop active water with Krystol Plug quick-setting cement; Step 2, mix Krystol Repair Grout with water to a stiff dough consistency (approximately 4 parts powder to 1 part water by volume) and pack firmly into the void/groove. Use extra powder material when repairing longitudinal cracks to ensure adequate grout thickness. Cure for at least 24 hours after application to prevent washout by rain, rapid drying, and freeze-thaw damage.
Krystol Repair Grout is intended for rigid structures only. Waterproofing performance is not guaranteed on structures with moving loads or repeated movement. Consult with a Kryton sales representative for specific project requirements.
This product is for professional use only. Read the Material Safety Data Sheet (SDS) carefully before use. This product is corrosive when mixed with water or sweat. Avoid contact with skin and eyes, and avoid inhaling dust. Wear long-sleeved clothing, safety goggles, and impervious gloves when working.
Krystol Repair Grout is available in resealable pails of 5 kg (11 lb) and 25 kg (55 lb).
Krystol Repair Grout has a shelf life of 3 years when stored in a dry, sealed area in its original unopened packaging. Once opened, properly resealed product has a shelf life of 4 months.
