Top Hung / Side Hung Window, For Medium And High Rise Building
FEATURE
Outer frame
Standard, 40mm depth for window of normal height
Optional, 80mm depth for tall window
Inner Frame
Standard, 40mm depth
Others
Optional coupled adaptors to be fitted to vertical perimeter frame to form varying range of angular corners
ADVANTAGE
Recess featured on the outdoor face of the transom section facilitates effective drainage of ingressed water
gathered at the sill of openable lite and fixed lite
Built in rebate on the openable inner frame section facilitates the head rail of the inner frame to trap ingressed
rain water if any and drain them sideways and downwards to the window sill
PERFORMANCE
Wind Loading
Complied with AAMA heavy commercial rating (at test pressure of 1200Pa, deflection of framing members were
within the limit of span/175 )
Air Infiltration
Exceeded AAMA heavy commercial rating (at test pressure of 300Pa, air leakage was within 1.09m3/hr.m2 of area
of fixed portion of the window and 0.56m3/hr.m length of opening joint of openable portion of the window)
Water tightness
Complied with AAMA heavy commercial rating (up to test pressure of 300Pa, free from water leakage)
* Note: Test data available upon request.
* AAMA denotes American Architectural Manufacturer Association.