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Installing High Performance BEWISO Windows A Historic Brooklyn Home Gets A 21st Century Upgrade The solution for comfort, efficiency, and silence in a historic Brooklyn brownstone building Ben Leer, Daylighting Specialist from 475 High Performance Building Supply, demonstrates the details of a high performance install. Austrian-m … read more

Installation Instructions For Using INTELLO Plus In Wood Frame Buildings With Blow In Insulation This video covers how to properly install INTELLO Plus membrane with blow-in insulation, such as cellulose, loose fiberglass, or Havelock sheep wool insulation. In these situations, INTELLO Plus serves as interior enclosure airtightness, … read more

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 airle … read more

Install GUTEX Boards + Battens In One Shot Quick Tip Here’s a quick tip for installing GUTEX woodfiber boards with battens for high performance smart wall assemblies. We have a 2x4 wall with INTELLO Plus already installed on the inboard side as the air barrier system. We begin by pre-cutting battens which are positioned in line wi … read more

IDEAL Window Installation Improving Best Practices NOT IDEAL You bought high-performance windows, but is the install going to complement their performance or detract from it? The enclosure insulation, airtightness and moisture control should be continuous. But too often where the window frame meets the building we see breaks in i … read more

How to Make It Stick: Preparing Surfaces For High Performance Air Sealing A little housekeeping goes a long way. We sell Pro Clima tapes because they are incredible products. They promise long-term airtightness that will last for 100 years, are highly flexible to stay airtight as your building moves and settles, and the solid acryl … read more