Hung windows have a sash that slides from bottom to top. There are single hung windows where bottom sash slides up, while the other side stays fixed. Double hung windows where the bottom sash slides up and top sash slides down. Single hung windows are significantly more energy efficient compared to double hung windows.
Primary Designator: | Class R – PG40 – 1000 x 1600 mm (39 x 63 in) – Type H |
Positive design pressure (DP): | 4080 Pa (85.21 psf) |
Negative design pressure (DP): | –4800 Pa (-85.21 psf) |
Water penetration resistance test pressure: | 290 Pa (6.06 psf) |
Canadian air infiltration / exfiltration level: | A3 |
Results obtained according to standards:
AAMA/WDMA/CSA 101/I.S.2/A440-11 (NAFS 2011), CSA A440S1-09 & CSA A440S1-17
AAMA/WDMA/CSA 101/I.S.2/A440-17 (NAFS 2017), CSA A440S1-19