from $106.70 /container
from $106.70 /container
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1-3 4+
VISCONN FIBRE (blue/black) $106.70 $99.23
VISCONN FIBRE (white) $108.70 $101.09

NOTE:Not eligible for returns or Priority Overnight Shipping. Winter Warning: this product is at risk of freezing. Read more.

Product Specifications

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VISCONN FIBRE is a high-quality, water-based acrylic dispersion air barrier. Apply with brush to fill gaps up to 3/4" to CMU, concrete, wood, joist bays, WRBs and all Proclima membranes. Can be covered with VISCONN spray-on liquid film to forms a seamless, elastic air and vapor retarding protective layer when fully installed.


1.3 Gallons (5 L)/ container
Coverage: approx 50-70 sq ft (4.5-6.5 m2) per bucket


  • Time-saving: Ready-to-use brush-on sealant
  • Reliable bonding thanks to excellent adhesive properties on all standard construction surfaces
  • Covers cracks and joints of up to 3/4" (20 mm) width
  • Can be plastered or painted over, and bonds well with all Pro Clima adhesive tapes


  • Apply to walls, ceilings and floor surfaces, such as masonry, CMU, wood sheathing, fiberboard, and all Pro Clima membranes
  • Cracks 1/4" (8 mm) and smaller in width can be simply painted over
  • Cracks from 1/4" to 3/4" (8-20 mm), fill gap to a depth at least half the width of the gap
  • In the case of larger joint or crack widths, first cover with TESCON VANA before sealing with VISCONN


  • Material: Aqueous acrylic dispersion, fiber-reinforced
  • Application Temperature: 41°F to 95°F (5°C to 35°C)
  • Long Term Temperature Resistance: -40°F to 194°F (-40°C to 90°C)
  • UV/weather Resistance: 3 months of exposure
  • Water Column: 6'7" (2,000 mm)