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Xypex Modified Crystalline Waterproofing 60 lb

Brand: Xypex Mfg#: MODIFIED
Product#: 59755574
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Xypex is a unique chemical treatment for the waterproofing, protection and repair of concrete. XYPEX MODIFIED can be applied as a second coat to reinforce Xypex Concentrate, or applied by itself to dampproof the exterior of foundation walls. Applied as a second coat, Xypex Modified chemically reinforces Xypex Concentrate where two coats are required and produces a harder finish. Where dampproofing is required, a single coat of Modified may be used as an alternative to a spray/tar emulsion. Xypex prevents the penetration of water and other liquids from any direction by causing a catalytic reaction that produces a non-soluble crystalline formation within the pores and capillary tracts of concrete and cement-based materials


  • Can be applied to the positive or the negative side
  • Becomes an integral part of the substrate
  • Non-toxic
  • Resistant to aggressive chemicals
  • Does not require protection during backfilling or during placement of steel, wire mesh or other materials
  • Less costly to apply than most other methods
  • Does not require sealing, lapping and finishing of seams at corners, edges or between membranes
  • Resists extreme hydrostatic pressure from either positive or negative surface of the concrete slab
  • Does not require dry weather or a dry surface
  • Cannot puncture, tear or come apart at the seams
  • Chloride Protection in Marine Environment
  • No costly surface priming or leveling prior to application
  • Allows concrete to breathe


  • Brand: Xypex
  • Product Line: Modified
  • Color: Gray
  • Specific Gravity: 3
  • Form: Solid
  • Flammability Rating: 0
  • Application Method: Brush, Sprayer
  • Capacity: 60 lb
  • Composition: Portland Cement, Alkaline Earth Compound, Silica Sand
  • Packing Type: Pail