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Concentration of CO2 in the Atmosphere

Insulating: A Sweater For Your House

By Mark Boudreau

Let’s start with the basics, insulation. It resists the flow of heat from one location to another. A good insulator is a material that is really good at keeping heat from transferring from one location to the next.

Take a thermos bottle. You put your hot coffee in the thermos, go out […]

NESEA Speakers at BuildingEnergy 15: Kohta Ueno and Chris Corson

Super Insulated Walls and Moisture: Does Bad Stuff Happen?

Chris Corson

Wednesday, March 04, 2015 11:00 am to 12:30 pm Single Family

High-R or super-insulated walls are a common component of high performance housing. However, in cold climates, these walls run the risks of cold-weather condensation, and general durability issues due to reduced […]

Rock Wool

By George Harvey

When rock wool was invented in the1840’s no one was especially interested. It was re-introduced in the 1870’s, but mostly passed from use. Now it is being brought back to market, with a new set of “green” credentials, and people who understand it are paying attention.

Rock wool, also called mineral wool […]

Cattails As Building Insulation

Reposted from CleanTechnica:

New Research Brings To Light The Great Advantages Of The Material

Cattails — Typha sp — are a very useful material, one that can be effectively employed for a variety of very different purposes. Throughout history, they have served as a nutritious food source, a source of downy material for bedding, a […]