Vinyl Windows Lc Cw

Vpi quality windows has been a leading vinyl window manufacturer in the western united states for 25 years.

Vinyl windows lc cw. Aw and lc classifications are not available for unit skylights. Vinyl wood products. Per nafs unit skylights are specified as either r or cw class with the minimum performance grades shown. The following organizations can provide more information on the north american fenestration standard.

R class commonly used in one and two family dwellings. Four performance classes r lc cw and aw exist in the aama wdma csa 101 i s 2 a440 11 standard. Optional performance grades within these classes for unit skylights are the same as those for windows and doors. Optional performance grades within these classes for unit skylights are the same as those for doors and windows.

Aama wdma csa 101 i s 2 a440 11 was published in november of. In general r and lc class windows have smaller test sizes and are allowed less force to operate and lock. Mix use multi family. R lc cw aw comparison.

Tafco windows basement single sliding vinyl window insulated glass 58 98 80 96. Prime windows systems offers a broad selection of lc cw rated vinyl windows and doors. For windows doors and unit skylights jointly published by aama wdma and csa. According to aama the following classes are commonly used in the following dwellings note.

Product selection is based on the performance requirements of the particular project. To qualify for any of the performance classes most windows must have a tested air infiltration rate no higher than 0 3 cfm ft2. Set your store to see local availability choose options. Aw and lc classifications are not available for unit skylights.

Aw cw lc r comparison of requirements the 05 c rating has been eliminated from this comparison. Aw class windows are tested at a higher pressure than r lc and cw class windows. Ken brenden serves as technical services manager for the american architectural m a nuf c tre sa o i schaumburg. The water penetration resistance test pressure is based on 15 of the design pressure dp for lc cw and hc performance classes and 20 of the design pressure.

Specified as either r or cw class with the minimum performance d sh o i ance grades within these classes for unit skylights are the same as those for doors and windows. But in many cases they offer sizes design wind pressures water resistance air leakage resistance forced entry resistance and hardware performance associated with the c hc and aw classes. Aw and lc classifications are not available for unit skylights.