WRB / Guides

...WRB) you install next, and those range from about 5 or 6 perms to up around 60 perms. Here is an example of that, assuming the 2 perm rating: 2 perm 7/16 OSB sheathing with a 30 perm WRB results in 1.88 perms 2 perm 7/16 OSB sheathing with a 5 perm WRB results in 1.43 perms That may not seem like a lot, but...

...WRB) Strapping Exterior cladding * Both homes are built on a raft-slab ‘ slab on grade ICF Forming kit ’ with 12 inches of EPS foam insulation John Hodges' Passive House with Larsen Trusses © Ecohome Exterior insulation for home renovations: Beyond new home construction, using the Larsen Truss wall De...

...WRBs) , tapes and caulking etc, so the cost doesn’t really go up much. All you need to do to improve the air seal is take your time and be a bit more careful, and what’s the point of taping the joints of a membrane if you don’t do it well and it still leaks air? Buying better quality building tapes is also a very good ...

...WRB membranes (Weather Resistive Barriers) protecting the wall from the elements. Insulation levels are almost twice the standards required under Part 11 of the Quebec Building Code Wood fiber insulation boards on the exterior as a continuous insulation layer Chosen High-Performance Wall Brands : Dörken Delta...

...WRB membranes (Weather Resistive Barriers) protecting the wall from the elements. Insulation levels are almost twice the standards required under Part 11 of the Quebec Building Code Wood fiber insulation boards on the exterior as a continuous insulation layer Chosen High-Performance Wall Brands : Dörken Delta...

A technical guide to understanding the role weather barriers and rainscreens play in a wall, choosing the right products and installation tips for optimum performance. They're officially known as water-resistive barriers or WRBs, sometimes weather-resistive barriers, but in practical terms they are more commonly cal...