Professional Tips      
Conproco Corporation - innovative products for the construction industry
   
WATER REPELLENTS                  
   

Products

Conpro
Shield MX


Conpro
Shield W

Conpro
Shield W20

Conpro
Shield QS2

 

   
Spray
       
  • Avoid overlapping. 
     
  • Always keep a wet edge. This will minimize lap marks. 
     
  • Excess moisture in the substrate will inhibit
    penetration of the water repellent and also cause
    discoloration of the substrate. Generally, if the
    temperature is above 75°F, it has not rained for
    three days and the substrate appears to be dry,
    it is safe to apply a water repellent. 
     
  • Shaded areas such as West and North facing walls
    will dry more slowly than East and South facing walls.
    It is possible that while some areas of a structure are dry
    enough to apply a water repellent, other areas may not be. 
     
  • Over spray can travel great distances on windy days.
    Use caution when spraying. 
     
  • When using a solvent based water repellent,
    protect all areas including plant life.
    Clean windows and metal with xylene and
    a quality glass cleaner within 2 hours of spraying.
    Test the cleaning solvent (xylene) on the glass
    to make sure it doesn’t cause damage
    before proceeding.
  Water Repellents
 
  • Always apply a sample area to determine coverage
    and potential for discoloration of the substrate. 
     
  • Use a RILEM tube to determine absorption rate
    of the substrate prior to applying material. 
     
  • Substrates have different absorption rates.
    If coverage is 40 ft2. or less per gallon, a clear water
    repellent will not provide adequate protection because
    too many voids exist in the substrate. In this case
    a better choice of product is a coating such as
    Conpro Lastic, which is a waterproof membrane. 
     
  • Water repellents do not fill voids or bridge cracks. 
     
  • Always spray to pre-determined break points. 
 
 
 
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