SideLoad™ Constant Force Balance System for Wood & Vinyl Sash Windows

Wood window manufacturers finally have a choice of balance systems for side load windows. Learn more about why our company is a world leader in constant force window balance spring manufacturing: goo.gl/RIRMgx.
Compared to block & tackle, the SideLoad Constant Force Balance System offers a lower price, significantly reduced operating forces, as well as a substantial reduction of on-hand inventory with significantly smaller space requirements.
Our revolutionary, patent pending design allows for a quiet and tighter fitting sash of up to 50 lbs. The system utilizes AAMA qualified springs and provides for a simple conversion from block and tackle.
The SideLoad Balance System is covered by one or more of the following patents and patents pending:
US PAT#7,980,028
US PAT#8,181,396
US PAT#8,424,245
CAN PAT#2,707,434
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