ExoAir Eco

Impregnated Pre-Compressed Tape for Sealing Joints

ExoAir® Eco is a UV-stable, pre-compressed, self-expanding, flexible joint seal. It is a polyurethane foam that is impregnated with a modified acrylic resin and treated with a pressure-sensitive adhesive on one side for ease of installation. ExoAir Eco self-expands to fill the joint creating an elastic, vapor permeable, weather tight seal.

Basic Uses
  • ExoAir Eco can be utilized in exposed or hidden applications to seal against wind-driven rain.
  • It can also be used in horizontal and vertical mulled window joint connections. ExoAir Eco can be installed onto vinyl, wood, concrete, aluminum, fiberglass, and other typical construction substrates.
  • ExoAir Eco can be used in combination with a variety of other products to create T3 Solutions.

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FAQ
  • Can I seal compressed tapes with a silicone, urethane or acrylic sealant?

    Tremco compressed tapes are compatible with and can be sealed with silicone, urethane and acrylic sealants. If the tape is sealed, however, the vapor-permeability is reduced due to the moisture vapor transmission value of the sealant. Tremco compressed tapes are UV- and weather-resistant and require no additional seal.

  • Are illmod 600, ExoAir Trio and ExoAir Eco fire-resistant?

    illmod 600, ExoAir Trio and ExoAir Eco are classified as B1 according to DIN 4102 (highly flame-resistant, producing little smoke and no burning droplets).

  • Can I use compressed tapes for non-parallel joints?
    Tremco manufactures several widths of compressed tapes and the appropriate size should be used in accordance with joint widths. Joints that are not parallel may require the use of more than one width of compressed tape.
  • As compared to a typical joint consisting of joint backing and sealant, how much time is required to install Tremco compressed tapes?
    Depending on joint size, the installation of Tremco compressed tapes can generally be completed in 20% of the time as compared to a typical sealant joint.
  • At warmer temperatures, Tremco compressed tapes expand more rapidly. What can be done to slow the rate of expansion to facilitate installation?
    Tremco compressed tape expansion is dependent upon the temperature of the tape at the time of installation. In order to slow the rate of expansion, Tremco compressed tapes should be stored in a cool, dry environment prior to application. The cooler the tape is, the slower it expands.
  • In colder temperatures, Tremco compressed tapes expand very slowly. What can be done to accelerate the rate of expansion?
    Tremco compressed tape expansion is dependent upon the temperature of the tape at the time of installation. In order to accelerate the rate of expansion, Tremco compressed tapes should be stored in a warm, dry environment prior to application. The warmer the tape is, the more quickly it expands.
  • Once placed in the joint, how much time is required for Tremco's compressed tapes to fully expand and close the joint?
    At a temperature of 68°F(20°C), Tremco compressed tapes will fully expand in about 45 minutes. The tapes will expand slower in colder temperatures and faster at higher temperatures.
  • Tremco compressed tapes can be installed onto wet or damp substrates. In this condition, the adhesive may not initially hold the tape onto the substrate or in the joint. What steps can be taken to facilitate installation?
    The self-adhesive is only an installation aid. The compressed tape can be installed and shimmed intermittently to hold the tape in place. After the tape has fully expanded, the shims should be removed. The voids in the tape created by the shims will self-seal through expansion of the tape once the shims have been removed.
  • Why are Tremco compressed tapes designed such that the depth is always greater than the width?
    Tremco compressed tapes are designed such that the depth is greater than the width in order to prevent displacing of the tape from the joint during cyclic movement.
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