from $255.90 /container
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Because it is at risk of freezing, VISCONN cannot be transported through low temperatures for extended periods of time.

To schedule delivery that reduces freezing risk, please use QUOTE button below to request purchase:

1-3 4+
VISCONN 10L - BLUE (DRIES BLACK) $255.90 $237.99
VISCONN 10L - WHITE $261.20 $242.92

Product Specifications

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Keep above freezing VISCONN must be kept above freezing at all times. This includes time spent sitting on the job site. Delivery trucks often leave packages outside without signature. Know when your package is due to arrive and avoid leaving it out in freezing conditions. Check immediately upon delivery to ensure what has been delivered is not frozen.


Liquid-applied air barrier for robust connections. For use as WRB, flashing for pitched windows sills, and other detailing. VISCONN can be brushed, rolled or sprayed on as a liquid film and dries to form a seamless, elastic, airtight and vapour-variable membrane.


10L (2.5 Gallons)/ container

Coverage per container:
~11.5 m2 (125ft2) when applied with brush
~16 m2 (170ft2) when applied with airless sprayer
[coverage dependent upon applied thickness]


  • Time-saving airsealing of difficult junction because of airless spray/brush application
  • PHI-Certified airbarrier - for interior with vapour-variable properties
  • IFT Rosenheim certification as airtight/waterproof joint sealing for insulated window frame rough opening gaps
  • For use as WRB on exterior behind rainscreens when shielded from long term UV exposure
  • Excellent values in the hazardous substance test, has been tested according to the AgBB evaluation scheme / ISO 16000
  • Use appropriate safety protection when using airless sprayer
  • Available in two color options: one that is blue when wet and dries black to confirm drying, one that is white when both wet or dry


  • Apply to walls, ceilings and floor surfaces, such as masonry, CMU, wood sheathing, fiberboard, joists or joist bays
  • Reliably fills gaps of 1/8”; deeper joints or thick coats result in longer cure times
  • Highly porous/uneven materials require 2 or more coats for reliable coverage/airsealing
  • It may be necessary to apply more than one coat in the case of uneven or rough subsurfaces
  • Can be plastered/painted over, Pro Clima adhesive tapes can be bonded onto it (and can be sprayed over all TESCON/CONTEGA Pro Clima tapes)


  • Material: Aqueous acrylic dispersion
  • Passed ASTM E331/ IBC - 1403.2 (300PA for 2 hours) for WRB code compliance
  • Temperature Resistance: -40°F to 176°F
  • Perm Rating: 0.5 perms (6.11m ±0.6 m) at 11 mils (0.3 mm) thickness EN 1931
  • Vapour Variability ISO 12572: 0.33 to 25 perms (Sd: 0.13 – 10.00 m)
  • Recommended airless sprayers: Graco Hi-Boy 390, 395, 490, or 495 - see Reference Downloads for guide
  • UV/weather Resistance: 3 months of exposure