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...

Insulating a Slab on grade for a Passive Solar LEED Home with 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 ...

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...

How to insulate basements properly
Insulation and soundproofing

Best practices for basement insulation in new home construction

...mineral wool or EPS foam (expanded polystyrene). 3" is better, 2" will suffice - not to be confused with styrofoam 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 a...

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...

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...

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...

Canada's first LEED V4 Platinum certified home - The Edelweiss House
LEED Homes

Canada's first LEED V4 Platinum house - An EcoHome project checklist

...mineral-wool insulation on the outside of the sheathing, and another 5-1/2 in. of mineral-wool batts in stud cavities packaged in a high-performance building envelope. Exterior walls of the slab-on-grade house have a total of 13-1/2 in. of mineral wool (5-1/2-in. batts followed by 8 in. of semi-rigid insulation) for a ...

Finished basements can lead to mold and mildew
Healthy indoor air quality

Why are basements moldy? How to fix or Prevent a Moldy Basement

...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, ...