A recent ‘Breaktime’ article had a suggestion that sash cords and weights could be replaced by ‘ a metal spring device’ and then the weights and cord removed and the cavity filled with expanding foam for a more energy efficient window in an old house. Can someone identify the metal spring device ???
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Have a look at
http://www.pullmanmfg.com/standard.html
Replaces the pulley with a spring balance.
I have used the Pullman Spring Balances in my old house. The size varies based on the weight of the sash. I found on the larger windows that the Depth Spring units was a little too much to fit.
Moral of the story - make sure you verify they will fit in before ordering.Mike K
Amateur Home Remodeler in Aurora, Illinois
I really wanted to try them, but when I emaild them about additional info and where I could get some here, I never got an answer to my email.
Guess shipping to Canada is too hard for them, or they cant translate "Yankee" into "Canuck".
Quality repairs for your home.
AaronR ConstructionVancouver, Canada
Now that I have had the time to look for them, how about this then?
http://acmehardware.com/product_detail.aspx?sku=4813358
We used something similar on a remodel and they worked well. Don't know how they've held up, but with the temps in the 90's and the humidity around 200%, I bet the windows are left shut anyway.
The older I get...The better I was.