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Materials & Assemblies, User Guides & Best Practices

475 Tape Performance Lab: Tapes, Primers and Pressurization

December 22, 2017

Welcome back to the 475 Tape Performance Lab (aka our Brooklyn HQ presentation room). Check out last month’s experiment: Underwater Tape Test. We ask a lot of our tape. It air seals the junctions between the components in our high performance assemblies, helps ensures safety from mold, and lasts forever. A good tape not only sticks, adheres, and makes the building airtight for […]

User Guides & Best Practices

Installing High Performance BEWISO Windows In A Historic Brooklyn Home

November 22, 2017

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-made BEWISO windows are airtight and approximately R-8. The BEWISO Anne window series was selected for this project. In this case, the homeowner wanted […]

User Guides & Best Practices

Installing INTELLO PLUS In Wood Frame Buildings With Blow-In Insulation

September 13, 2017

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, smart vapor retarder, a moisture management system, and netting for packing blow-in insulation behind. Here is a list of the top install tips […]

Building Community, Materials & Assemblies, User Guides & Best Practices

Leaky OSB: A Game of Chance

August 30, 2017

Everyday at 475 we have dozens of conversations with builders all over North America. We often generate the ideas for this blog based on common trends, questions, and concerns… basically, things we find we’re repeating. And it’s worth repeating and repeating: don’t depend on OSB for airtightness. Why? OSB is not manufactured to be an air […]