22 Feb '13, 11pm

Due to the discovery of asbestos, I am removing and replacing all ducting in my attic. #construction #green

I am glad you are removing the asbestos. Here are some thoughts besides the toxicity of the insulation, which I’ll also address. Asbestos removal Have the asbestos removed professionally. Amateur removal can cause serious health risks. Removal must be complete, leaving no scraps. Complete cleaning of connecting parts that are to remain is very important. Obtain documentation from the removal company insuring they have done this properly. The National Institute for Standards and Technology (NIST) has a list of accredited laboratories. Their phone number is (301) 975-4016. Asbestos removal contractors are licensed by each state. New ductwork Be sure your attic is well ventilated, or that the attic insulation itself is installed against the outside envelope of the house. If that is done, then the ducts are within the heated envelope. Avoid moisture infiltration into the attic...

Full article: http://greenhomeguide.com/askapro/question/due-to-the-dis...

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Insulating Finished Attic on a Budget #green

greenbuildingadvisor.com 06 Mar '13, 3am

I'm renovating a house built in 1950 that has a finished attic with very little insulation. I've been trying to figure out...