Sale! Professional® Water Sealant PWS-5 REGULAR Strength Spray on waterproofing brick block sealer 1-Gallon
Professional Water Sealant PWS Sealer used on Historic Downtown Tampa Florida Movie TheaterProfessional Water Sealant PWS Sealer used on Historic Pennsylvania Hotel Courtyard Marriot FloridaProfessional Water Sealant PWS-5 Sealer Used on Al Lang Stadium St Petersburg FLPWS Professional Water Sealant on bricks RTV Silicone Rubber Clear Penetrating SealerProfessional Watersealant PWS-8 Water Repellant RTV Silicone Sealer for Brick Block PWS-8 ConspecPPK Watersealant PWS-5 on Wood Conspec


Conspec Family Business BadgeConspec Warranty BadgeA clear, penetrating, breathable, UV Resistant, water repellent, and sealer which is formulated using the latest in durable RTV Silicone Rubber Technology. Capable of bridging hairline cracks (400% elongation) and Resisting 98-mph Wind Driven Rain Conditions. Cures in 1 Hour. 10-Year Warranty available.

Clear selection

PWS-5 Regular Strength

Professional® Water Sealant – PWS-5 Water Sealant unmatched waterproofing protection on concrete, brick, block, precast, pavers, manufactured stone, natural stone, ArcusStone, stucco, marble, slate, treated wood, landscaping stone, exposed aggregate, clay brick, saltillo tile, travertine, granite, marble, stained concrete, colored concrete, natural stone and other porous materials.  This clear, penetrating, RTV Silicone sealer is a proprietary blend of inorganic silicone polymers which provide maximum resistance to breakdown from the suns damaging UV light, as well as resistance to acid rain. PWS-5 Water Sealants unique silicone technology allows it to remain flexible inside the substrate to allow for bridging of hairline cracks and protect against building freeze-thaw cycles. PWS-5 Water Repellent remains breathable to allow moisture vapor to escape while preventing outside water penetration. Provides a durable, long lasting natural look finish once applied and does not change the appearance. Simple 1-coat application, 5-Year and 10-Year warranties available.  Meets ASTM E-514 Water Repellency and 98-mph Wind Driven Rain Conditions.

  • Clear Liquefied RTV Silicone Rubber Sealant
  • Cures in 1 hour
  • Vertical or Horizontal applications
  • Cost Effective, Long Lasting
  • Easy to apply with low-pressure pump-up sprayer
  • Can be brushed on small hard to reach areas
  • One Coat Formula
  • Bridges hairline cracks
  • Breathable — allows moisture vapor to escape while preventing water penetration
  • Penetrating
  • Does not change surfaces color
  • Durable & long lasting — not affected by UV rays, airborne pollutants, salt spray, or acid rain
  • Meets ASTM E-514 Water Repellency and 98-mph Wind Driven Rain Conditions
  • For Exterior Use Only


Due to Federal VOC Regulations the PWS formulations sold by Conspec are not available in the following states:
CA, CT, DE, DC, IL, IN, ME, MD, MA, NH, NJ, NY, OH, PA, RI, UT, (AZ Maricopa County), and (VA Richmond area), 
If your state or county is listed above you MUST use the LOW VOC Formula
To order the LOW VOC Formula please call;  1-800-676-7346



To view the most recent manufacturer data sheet, please click here.

Weight 192 oz
Dimensions 12 x 12 x 12 in
Product Size

1-Gal Can

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