Inverted block and tackle or constant force coil balance system ensures safe, smooth operation.
|Dual Lift Rails
Full length lift rails make opening and closing easy.
Sashes lock tightly together to help keep out intruders and inclement weather.
Low profile design features a patent pending barrel tilt latch that locks under load. Patent pending number: 61746222
|Forced Entry Resistant Locks
Enhanced security locks meet tough AAMA forced entry requirements. ADA auto-lock option available.
*Also available with no grilles.