Xypex Concentrate - Crystalline Concrete Waterproofing

2.01 Materials
A. Acceptable Manufacturer:

Xypex Chemical Corporation
13731 Mayfield Place, Richmond, B.C., Canada V6V 2G9
Tel: 800 961.4477 or 604 273.5265
Fax: 604 270.0451
Website: www.xypex.com

Note: Acceptable manufacturers include all licensed manufacturing operations of Xypex Chemical Corporation.

B. Proprietary Products: Xypex crystalline waterproofing materials as follows:

1. Xypex Concentrate

2. Xypex Modified

3. Xypex Patch’n Plug

Note: Supplemental specifications are available for Xypex Admix series (admixture) and Xypex Concentrate DS-1/DS-2 (dry shake).

C. Substitutions: No substitutions permitted.

D. Source Quality: Obtain all proprietary crystalline waterproofing products from a single manufacturer.

2.02 Mixes

A. General: Mix waterproofing material by volume with clean, potable water. Mix waterproofing material in quantities that can be applied within 20 to 30 minutes from time of mixing. As mixture thickens, stir frequently, but do not add additional water. Do not mix bonding agents or admixtures with crystalline waterproofing materials.

B. Brush Application Mix: Measure dry powder and place in mixing container. Measure water and mix into the dry powder with a paddle on a slow speed electric drill (250 RPM) or other type mixer which is acceptable to manufacturer. Mixing proportions shall be as follows:

• Coverage
  • 1.5 lb./sq.yd. (0.8 kg/m2)
  • 2.0 lb./sq.yd. (1.0 kg/m2)
• Proportions (by Volume)
  • 5 powder to 2 water
  • 3 powder to 1 water

C. Spray Application Mix: Mixing shall be same as specified for brush application except that mixture shall be thinner. Use following proportions as a guide only. Adjust proportions to match type of spray equipment and pressures used. Mixing proportions shall be as follows:

• Coverage
  • 1.5 lb./sq.yd. (0.8 kg/m2)
• Proportions (by Volume)
  • 5 powder to 3 water

D. Dry-Pac Mix: Using a trowel, mix 1 part clean water with 6 parts Xypex Concentrate powder for 10 to 15 seconds. It is acceptable that lumps may be present in mixture. Mix only as much as can be applied in 15 minutes.

Keywords: Crystalline Concrete Waterproofing