August 16, 2017

Installing INTELLO PLUS In Wood Frame Buildings With Batt Insulation

This video covers how to properly install INTELLO Plus membrane over rigid or batt insulation in a wood frame assembly. In order to achieve a completely airtight barrier, it is important that the installation is done in a way that minimizes the potential for airleaks in the system. Here is a list of the top install tips from the video that you and your team can refer to during the installation process.

Top tips from the video:

Prep the site

  • Check framing for any protruding objects that may tear the membrane before installing
  • Only apply tape to dry, clean surfaces to ensure adhesion and airtightness

Unroll the membrane

  • Leave 1” overlap of membrane covering the floor for future sealing
  • Make sure the writing on the intello is facing into the room

Stapling

  • Staple in a triangular pattern as you move along the studs to ensure the membrane is taut
  • Staple parallel to the studs
  • Staple at 3” intervals
  • Make sure the membrane is slightly relaxed at junctions (between walls & ceilings, corners, and floors) to accommodate expansion and contraction of the structure

Overlapping the membrane sheets

  • Overlap the next sheet of membrane using the guide marks on the intello
  • Using the dotted line to center the tape over the joint, tape the overlaps using TESCON VANA tape
  • The adhesive is pressure activated, so activate the tape by pressing firmly with a PRESSFIX tool

Floor Joint

  • Seal the membrane to the floorboard using CONTEGA HF adhesive caulk

Wall Penetrations

  • Light switches and outlets: use INSTAABOX to create an airtight cavity
    • adhere instaabox boxes to the membrane with TESCON VANA tape
  • Pipes: airseal with ROFLEX gaskets
  • Cables: airseal with KAFLEX air sealing sleeves

More Installation Videos:

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