insulation: Urea Formaldehyde Insulation- New Controversy - 02/11/09 03:34 AM
Urea formaldehyde foam insulation (UFFI) is again in the news. An Ontario Company has been ordered by the Federal Government to stop selling a formaldehyde based insulation that has already been installed in about 700 homes.
 Justice Minister Rob Nicholson announced a "cease and desist "order against the company RetroFoam.  Canada Border Services has also been alerted to stop further importation of the product.
 The Company claims that its formulation is safe and is not the same as the Urea Formaldehyde Foam Insulation (UFFI) banned in 1980 due to potential health concerns related to elevated levels of formaldehyde following installation.
UFFI … (1 comments)

insulation: Preventing Ice Dams - 01/16/09 12:29 AM
Preventing Ice Dams

What is an Ice Dam?
Generally deeper snow and colder temperatures increase the formation of ice dams. An ice dam is an accumulation of ice that builds up along the edge of a roof. The eavestrough may be overflowing with ice and there may be icicles hanging from the edge.
What causes an ice dam?
Snow build up effectively acts as an insulator on the roof. Heat from the attic warms the underside of the snow and melts the bottom layer. This water then runs under the snow cover and down the roof until it hits a … (0 comments)


John Arnott

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