Continuous insulation / Green Building & Sustainable Home Renovation Information & Advice

Concept and design

The two thirds rule of insulation within wall assemblies

...continuous insulation The simplest and most durable way to satisfy the two thirds rule is through the use of continuous exterior insulation (CI), which is insulation placed entirely on the outside of the structural framing (i.e., over the sheathing). Insulation choices for a durable exterior Using CI achieves two goals...

Rigid Rockwool mineral wool insulation boards being installed. Image © Ecohome
Insulation and soundproofing

What Are the Best Rigid Insulation Board Alternatives to Foam Panels?

...insulation board is ultimately determined by the specific application in the home’s thermal envelope. Exterior continuous insulation for walls This is the most common use for rigid board insulation. Placing a continuous layer of insulation over the exterior sheathing is the single most effective way to eliminate therma...

Worker Installing EIFS Exterior Rigid Insulation Panels
Wall assemblies - renovation

Installing EIFS over Brick for Energy Efficiency Renovations and Retrofits

...insulation boards, and a fiberglass reinforcing mesh is embedded into it while it is still wet. This mesh provides impact resistance and structural integrity to the entire system. This is what truly separates EIFS from traditional stucco. The continuous insulation also prevents thermal bridging and heat loss through th...

Workers installing a smooth, textured finish of an EIFS exterior on a building
Wall assemblies - renovation

A Homeowner's and Pro's Guide to EIFS Exteriors

...continuous insulation on the outside of a building, significantly improving its energy efficiency and thermal performance. This is in contrast to traditional stucco, which is simply a cement-based plaster.   The key to EIFS's effectiveness lies in its 'outboard' insulation. By placing the insulation on the exterior of ...