ST70 Casement
The ST70 outward opening casement window is available in a variety of styles such as top hung or side hung and can be externally or internally beaded. All styles include multipoint locking for added security. The versatility of the locking mechanism used in the ST70 window allows the designers to incorporate extra-large sashes in the building.
The windows durability and performance characteristics regarding acoustics and weather tightness meet with the highest BS/EN standards including PAS24 Standards and are all independently tested by a UKAS approved and certified facility.
For more information regarding our ST70 window systems, get in touch here.
- Includes multipoint locking for added security
- Superb thermal performance whether open in or out
- Excellent thermal performance
- Eco-friendly polyamide core
- Glazing variants are 28mm-42mm up (1.1″-1.6″)
- Identical sight lines throughout
- Can be pre-assembled in-house saving installation time/cost
- Fully tested to current BS/EN standards within a UKAS approved facility
- Certified to PAS 24 standards
- Available in dual colour or anodized finish
- Matching rebate doors available
| Frame | 70mm | |
| EN ISO 1077-1 | Uw Whole window value: * | 1.6 W/m²K or less |
| BS 6375-1:2009 | Air: | Class 4 |
| BS 6375-1:2009 | Water: | Class E1050 |
| BS 6375-1:2009 | Wind: | Class A5 |
| BS 6375-2:2009 | Operating forces: | Class 1 |
| BS 6375-2:2009 | Mechanical strength: | Class 3 |
| BS 6375-2:2009 | Repeated opening & closing: | Class 3 (Heavy Duty: 30,000) |
| PAS 24:2012 | Security classification: | Certisecure |
*Whole window U values are a combination of the frame and glazing thermal performance and as such will vary with the specification of glass utilised. Please consult with the APA technical team for more specific performance information.
