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WR Grace Vycor+ 25 mil x 18" x 75' Flashing

Brand: WR Grace Mfg#: VPLUS 18 BULK 70/P
Product#: 457VP18B
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Provides superior protection against water, air and moisture infiltration in window and door openings, corner boards, under stucco finishes, masonry walls and other flashing areas. It is designed to work in severe winter climates, milder climates, and in coastal areas where wind driven rain is common. It should not be used on roofs. Grace Vycor® Plus is ideal for sealing joints, seams, holes, and other unwanted openings in wall sheathing systems. It is 25 mil thick and compatible with wood, plywood, oriented strand board, concrete and masonry and fully adheres to the substrate to prevent water from passing through and into the substrate. Available in 75' shrink-wrapped rolls in widths of 4", 6", 9" and 12".


  • Long-lasting waterproofing protection - Both the polyethylene film and the specially-formulated rubberized asphalt components create a water and moisture barrier that does not degrade from the effects of the environment
  • Proven track record - Grace Vycor Plus employs the same proven technology as our Grace Ice &Water shield - the market leader in self-adhered underlayments for over 30 years
  • Seals around fasteners - the specially formulated rubberized asphalt adhesive seals around fasteners, allowing no water to penetrate and get to the substrate
  • Highly conformable and flexible - Can accommodate settlement and shrinkage movement
  • Superior adhesion capabilities - the membrane creates a strong bond to the substrate for long-lasting waterproofing protection
  • Measurement markings - the membrane surface is clearly marked at every 6 in (150 mm) and 12 in (300 mm) intervals to facilitate the installation procedure
  • Easy to work with - membrane installation is fast and easy - simply remove the release paper and press onto the substrate. with grace vycor plus contractors can flash more windows with better quality
  • Ripcord - With the sophistication of construction practices it becomes a must to follow the proper sequencing principles. Ripcord offers the flexibility to install half the membrane before and the other half after the other building envelope components are installed, i.e. house wrap or felt. Only in this way are the proper installation principles followed
  • Forms water-tight laps - Grace Vycor Plus superior adhesion properties ensure strong laps, even in seams in the flashing


  • Brand: WR Grace
  • Product Line: Vycor+
  • Color: Gray/Black
  • Standards: ICBO Approved
  • Material: Cross Laminated HDPE Carrier Film/Rubberized Asphalt Adhesive
  • Specific Gravity: 1 - 1.1
  • Temperature Rating: 25 deg F
  • Thickness: 25 mil
  • Length: 75 ft
  • Width: 18 in
  • Special Features: Paper Release Liner