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| Author: | NYer |
| Subject: | Moving Mechanisms/Balance Systems |
| Posted At: | 2004-08-19 18:29:25 |
Had a pushy salesman in today. The windows he offered had a CALDWELL® Constant Force Balance System used to move the windows up & down.
Another salesman (whom I appreciated was not pushy) offered windows with a Spiral (Pivot bar?) mechanism that moved the windows up & down.
What should I be looking for in the moving mechanisms/balance systems.
Thanks for your help.
| Author: | Window4U |
| In Reply To: | Moving Mechanisms/Balance Systems (posted by NYer) |
| Subject: | RE: Moving Mechanisms/Balance Systems |
| Posted At: | 2004-08-19 19:45:33 |
The constant force are my favorite. Some installers such as Windowmann2000 like the block and tackle variety. Either one is pretty trouble free from what the accelerated testing results say.
I think everyone here will agree that you should stay away from spiral balancers. It is old technology, and their problems are the whole reason the other balances were invented. Spiral counterbalances have to be adjusted frequently and have a tendency to break. I just measured up a school for a bid that had new windows put in in 1979, and the janitor told me every spiral balancer in the school was shot within 5 years. I have adjusted thousands of those &*^%%$##% spiral balances in my life so the constant force balance was a real advance in my eyes.
The two top service calls for any window company used to be bad seals {fogged up glass} and bad counterbalances. With the new technology that has been developed in both of these products, problems in either are very, very rare........thank goodness!