Document Search

  2x6 framing XPS insulating sheathing Fiberglass or cellulose cavity insulation in stud space   Scoring: How It Rates The scoring of each wall system is based on the following five… Read More

Houses are environmental separators – they keep the outside out and the inside in.   Houses have walls, roofs and foundations that each have to be connected to each other (Figure 1).  To… Read More

IntroductionThis guide provides information on how to construct vapor diffusion ports when using fiberglass and mineral wool insulation with conditioned unvented attics and unconditioned unvented… Read More

This guide provides mechanical ventilation requirements of occupied spaces in new low-rise residential buildings including single-family houses and multifamily structures such as apartment buildings… Read More

The purpose of this guide is to provide useful examples of high performance retrofit techniques for the building enclosure of wood frame residential construction in a cold and somewhat wet… Read More

High performance precast concrete enclosure walls stand apart from most "rainscreen" walls in several key respects: how they control rain penetration, how they provide airtightness, and their… Read More

This guide describes ways to meet the roof venting requirements as per building code while converting the attic into living space by moving the insulation to the underside of the roof deck… Read More

This guide describes ways to attach siding in cases where wood sheathing is not used and provides prescriptive guidance on cladding attachment as per building code that allows cladding attachment… Read More

This guide details the interior vapor retarder requirements as per building code when insulating sheathing is installed on the outside of an exterior wall. The interior vapor retrader can be removed… Read More

This guide details wall bracing requirements for insulating sheathing as per building code and clarifies whether insulation board can be installed in lieu of plywood on the outside on an exterior… Read More