| Manufacturer: | Window Tech Systems, Inc. |
|---|---|
| Certification: | NI005887.01-R8 |
| Expiration: | 4/30/2034 |
| Operator: | Double Hung |
|---|---|
| Performance class: | AAMA/NWWDA 101/I.S.2-97 ASTM F588-97 |
| Dp or stp plus: | 60 |
| Dp or stp minus: | 60 |
| Product rating: | |
| Framing material: | Aluminum |
| Forced entry resistance: | True |