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Are you interested in finding out more about Blower Door Air Seal? 

The following is from Marsh Insulation's Facebook Page:

Blower Door Assisted air seal using the latest technology to achieve our goal of customer comfort.

"This is a typical 1930s built in Irondequoit, started with a blower door number of 3519 .  Using blower door assisted air-seal rim joist spray foam and insulation we dropped that number to 1850 !!!! That’s how you save money on heating and cooling !!"

Steve Marshall 
7372 Furnace Road 
Ontario, NY 14519