Window Block And Tackle Sash Balance. Block and tackle balances use extension spring force to counterbalance the weight of a window sash. Ad friendly & affordable sash window specialists near you. Ad friendly & affordable sash window specialists near you. The arrangement of the pulleys and cord provide a 5:1 travel characteristic. For more information, or to speak to our team, visit our website. Ad easylift®, superlift® and standard sash balances. Ad easylift®, superlift® and standard sash balances. Accoya is a leading manufacturer and supplier of high performance acetylated wood. For more information, or to speak to our team, visit our website. Buy sash window balance on ebay. Ad accoya is a leading manufacturer and supplier of high performance acetylated wood.

Ad accoya is a leading manufacturer and supplier of high performance acetylated wood. Ad easylift®, superlift® and standard sash balances. The arrangement of the pulleys and cord provide a 5:1 travel characteristic.

Vinyl Window Repair (sash cord and hardware)

Ad friendly & affordable sash window specialists near you. Buy sash window balance on ebay. Ad easylift®, superlift® and standard sash balances. Ad accoya is a leading manufacturer and supplier of high performance acetylated wood.