Friday, May 28, 2010

Unit cost of Insulation

How much does insulation cost?
These costs are as of about April, 2010, in the Toronto Area, in Canadian Dollars.
Note the variability in the Cellulose insulation - here is a link to one manufacturer's spec sheet.
http://www.nationalfiber.com/docs/CelPakSpecSheet1209.pdf

Fibreglass:  about $0.0141 per sq ft per R1----- thickness to reach R100 (at R3.5/in) : 28.6" (726mm)
Cellulose in walls:  density 3.1 lb/CF -->  $.0195per SF per R1, thickness to reach R100: 28.6"
Cellulose in attics: density 1.4 lb/CF  ---->$.0063per SF per R1, thickness to reach R100: 28.6"
          - Based on $7/22lb bag
Ridgid XPS Foam:  about $0.128 per sq ft per R1 ----thickness to reach R100:  20" (508mm)

More on this later....

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