Rigid board insulation / Guides

How to Fasten Cement Board Facing to slab on grade insulation
Slab on Grade

Finishing the exterior of an insulated slab-on-grade floor

...rigid Rockwool panels meant we needed an additional solid exterior surface. Here we installed an exterior cement board , though that left the challenge of how to attach it without using metal fasteners that would lead to thermal bridging. What we decided on was plastic straps that passed through the cement board and ...

Installing foam panel insulation, which is best?
Insulation and soundproofing

Rigid insulation panels: which ones to use for different applications

...rigid foam insulation boards very carefuly to reduce their environmental impact. All XPS panels are not equal! EPS - Expanded Polystyrene Foam Insulation Boards: Rated at R4 per inch; EPS foam insulation boards are more permeable to air and moisture than XPS, but it doesn't retain moisture to the same extent becaus...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements

...insulation. And better still is when the natural alternative for these plastic based rigid foam insulation boards is a naturally derived cellulose high-performance panel with a higher R-value than current rigid insulation panels such as EPS, XPS and Styrofoam. Read more about which are the best rigid cellulose foam ins...

How to Insulate Exterior Walls from the Outside US Canada Ecohome
Walls and Roofs

The easiest way to insulate walls from the exterior in older homes

...insulation successfully. Larsen trusses with cellulose or batt insulation A Larsen truss wall is one with engineered I-joists attached to the outside of a stud or brick wall, which then creates a cavity that can be filled with additional insulation . You can add batt insulation, dense pack cellulose, rigid insulati...

Insulating a Slab on grade for a Passive Solar LEED Home with Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...insulation can be very quick if not instantaneous, as added material costs are offset by money saved monthly on heating. The insulation we used here is Rockwool rigid board under the main slab and on the exterior of the slab, and high-density Type III EPS foam under the footing as Rockwool has not been tested yet for...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...insulation are included at different points in wall assemblies. For details and characteristics of different materials, see our page on choosing insulation. CLICK IMAGE TO ENLARGE Insulation on the exterior and interior, from outside to inside: fiber cement board and parging above grade ...

Natural Building Insulation Made of Grass - Eco-friendly, Green
Insulation and soundproofing

Non-toxic natural building insulation made of grass

...insulation materials can, in some instances, be at a greater risk of developing mold, or perhaps hosting insects and rodents , compared to non-organic products such as rigid foam insulation boards, Rockwool or spray foam insulation to name a few examples. Some natural insulations are better suited to slip into the mo...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...insulation is installed outside of that. Stud cavities are still insulated with batts, but the majority of insulation is on the outside of the sheathing, this way the vapour control layer is sandwiched between layers of insulation where it can perform best in a wildly varying climate like we have in Canada. There a...

Passive House wall system ; Larsen Trusses & dense-packed cellulose insulation
Wall assemblies - new construction

Larsen truss wall systems with double-stud construction & extra insulation for new homes & energy efficient home renovation

...board rigid exterior insulation (R4) Weather barrier (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: Beyo...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...insulation? The return on investment (ROI) refers to how long it will take to pay something off. In terms of insulation it goes something like this; if you live in a cold climate and currently have a 2x4 wall with fiberglass batt insulation and you plan to add two inches of rigid board insulation, the ROI could be 5 ...

Is EPS foam eco-friendly? Exterior home insulation rigid foam panels
Insulation and soundproofing

Does plastic foam or Styrofoam insulation have a place in green building?

...rigid foam insulation, aka 'beadboard foam insulation'. this is NOT 'Styrofoam'. XPS Extruded Polystyrene rigid foam insulation - this may be Styrofoam if produced by Dow chemicals group The criteria for what ‘eco-friendly’ or ‘green’ building products are can vary by person, and it can depend on what your ...