Mineral wool / Guides

Mineral wool insulation in roof by Rockwool - LEED Platinum V4
Roof assemblies - new construction

Mineral wool insulation in roofs by Rockwool

...Mineral wool roof insulation used to best effect: Watch more Green Building Video Guides on the EcoHome YouTube Channel here The Ecohome's Edelweiss House LEED Platinum certified V4 roof is a 2/12 pitch insulated to R95 with Rockwool (formerly Roxul) mineral wool batts. R95 far exceeds the most rigorous Canadian ...

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

Rigid insulation panels: which ones to use for different applications

...Mineral wool / Rock wool rigid insulation panels: The only rigid board insulation that is not a petroleum-based foam product shown in the main photo above is the brown one, which is mineral wool. It is a recycled product made with the stone dust from industrial blast furnaces. Alternative Mineral Wool Rigid Insul...

Slab on grade for a Passive Solar LEED Home insulated by Rockwool © Ecohome
Insulation and soundproofing

Insulating below slab-on-grade floors

...wool 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 the weight of a footing and load bearing wall. Following that will be a skirt of R8 insulation extending 4 feet out from the slab just below final grade, to ...

Exterior damp proofing and drainage mat to protect basements from wate
Insulation and soundproofing

Best practices for basement insulation in new home construction

...mineral wool or EPS (expanded polystyrene). 3" is better, 2" will suffice drainage mat damp proofing spray on exterior concrete wall 2" mineral wool board or EPS against interior concrete wall 2x4 stud wall with mineral wool batts in cavities drywall with latex paint as vapour retarder. CL...

Hemp insulation products for USA & Canada rolling off the production line
Insulation and soundproofing

Hemp insulation in Canada & USA - insulating naturally is an Eco-friendly alternative

...wool is a very appealing one from an environmental standpoint. Simply compare the manufacturing process; to produce a panel of hemp wool in the thickness needed to obtain a value of R10 requires 3.4 kWh of energy, while it takes 5.5 kWh to produce that value in cellulose, 15.6 kWh for mineral wool and 48.4 kWh for poly...

Multi Unit Passive House design Vancouver Island BC
Passive House

The North Park Passive House on Vancouver Island, BC

...Mineral wool acoustical insulation was used between floors in conjunction with concrete floor topping, plus resilient strips and double drywall on the ceilings. Cast iron drain pipes were used to minimize the sound of drain water. Double-stud party walls acoustically separate the suites, and “Quiet Rock” drywall in sta...

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid living blog, part 2: passively heated, this house in Quebec aims for LEED certification

...mineral wool batts R 14; polyethylene air/vapour barrier; 2x8 stud wall at 24" centres with mineral wool batts R 28; 1"1/4 exterior mineral wool board R5; plywood sheathing; house wrap; strapping; cement board siding. The ceiling is a mix of Roxul mineral wool batts and cellulose totalling R80, the ba...

Better Basement Design on basement walls prevents mold and midlew
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...mineral wool batts in the cavities . Mineral wool is unharmed by moisture, and if it gets wet it will retain its shape and R value when it dries; fiberglass is not so resilient. Lastly, install drywall and paint it with a latex paint only. This technique of rigid and batt insulation may require a few more steps, ...

Insulating crawlspaces as part of home renovation
Crawl spaces

How to insulate crawlspaces properly as part of renovating an older home

...wool insulation batts on basement walls © Ecohome Rock wool (mineral wool) boards are an alternative product you can use and they are made from recycled stone dust, so it does not burn and does not need to be covered for fire protection. But mineral wool is not a vapour barrier, so it is best to apply a poly membra...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...mineral wool batt insulation . These weaknesses are largely baseless and dense-packed cellulose for wall cavities should be more common in Canada than it is today. The concern of cellulose in wall cavities settling is probably the biggest misconception, though it is one that originates legitimately because that's wha...