Rockwool / Guides

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...

...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 that w...

...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 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,...

...Rockwool mineral fiber insulation ( formerly known as Roxul) . Note: Engineers at Rockwool could not confirm with us that their product had the compressive strength to carry the load under the footing, so where the weight of the walls would bear, we installed EPS foam. Slab floors are often built in a way that requ...

...rockwool, leaving them to sprout. After a week or so, the seeds can be transplanted into one of the Elegant Farm planters to grow. The Elegant Farm is extremely energy efficient. A small air pump uses bubbles of air to lift sections of water up from the reservoir to the top of the Elegant Farm. Water drips down throu...

...Rockwool often don’t meet code requirements in a lot of areas. However, the first thing to mention - which sort of goes against the premise of this article - is that Rockwool does offer a higher R value batt insulation at R24 , if you can find them. In some milder climates that may help meet code, but anytime Building ...

...Rockwool mineral fiber insulation: Rock wool rigid board insulation © Ecohome Recycled Content : there is a minimum of 75% industrial waste in stone wool insulation, often as high as 90%. The most common commercial manufacturer is Roxul, so that tends to be its common name on job sites. Method and form : ...

...Rockwool, contains no fire retardant chemicals such brome-based HBCD (Hexabromocyclododecane, spelling test to follow), a persistent bio-accumulative chemical found in EPS and XPS that is connected to a disturbing amount of human health issues. Avoiding thermal bridges: When one section of a wall conducts heat much...

...Rockwool or fiberglass) or as in this particular case, dense-packed cellulose . Larsen Trusses for Passive House construction: We recently visited John Hodges in Perth, Ontario, Canada, where he is building two homes; one for himself and his wife and, right next door, one for his daughter’s family. One house will b...

...rockwool insulation such as ROCKWOOL rather than choosing rigid foam insulation . There is no conclusive documentation we have found to support this, but the theory we have read is that the stone fibers cut the termite’s exoskeletons, whereas foam provides the perfect environment for them to create tunnels. One prove...

...Rockwool or spray foam insulation to name a few examples. Some natural insulations are better suited to slip into the more ‘mainstream’ yet ‘green home leaning’ building industry than others, which are the ones that can replace existing products without being too noticeable. By being ‘noticeable’ I mean things like s...