ST70 Hi+ Rebate Door System
Precision-engineered elegance for modern living.
The ST70 HI+ Rebate Door combines refined design with advanced insulation, offering homeowners a perfect balance of performance, style, and long-term reliability.
Engineered from durable, sustainable aluminium, this high-performance door system enhances thermal comfort while maintaining the contemporary aesthetic that defines APA’s architectural range.
With whole-door U-values as low as 1.4 W/m²K, the ST70 HI+ ensures energy efficiency throughout the home — reducing heat loss and maintaining a comfortable interior climate all year round.
Its thermally insulated triple-chamber design, foam-filled cores, and low-conductivity polyamides deliver impressive energy performance without compromising slim sightlines or design flexibility.
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Flexible Design Options
The ST70 HI+ can be configured as a single or double door, with open-in or open-out operation.
Homeowners can also choose from multiple threshold options, integrated fanlights and sidelights, and an array of custom glazing solutions — allowing the door to complement any home design from traditional to contemporary.
Available in double or triple glazing (28–42 mm), this system combines outstanding thermal and acoustic insulation with sleek architectural detailing.
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Security & Durability
Constructed with precision-engineered aluminium profiles and cast corner cleats, the ST70 HI+ offers exceptional strength and stability.
Every door features multi-point locking as standard, with PAS 24 certification for enhanced protection and peace of mind.
Optional Assa Abloy locks can be integrated for premium security specifications.
Built to last, the ST70 HI+ delivers a maintenance-free lifespan of up to 30 years, ensuring lasting quality and reliability.
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Sustainable by Design
APA is committed to responsible manufacturing. The ST70 HI+ is fabricated from recycled aluminium, reducing environmental impact by up to 95% less energy in production compared to primary billet aluminium.
Every component is chosen for recyclability and sustainability, reinforcing APA’s commitment to both performance and planet.
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Finishes
Offered in single or dual-colour finishes to Qualicoat Powder Coat standards, the ST70 HI+ can be tailored to complement both exterior and interior design schemes.
Fabrication options include full in-house pre-assembly for faster installation and consistent finish quality.
[Download the ST70 HI+ Rebate Door Brochure]
Our Brochure
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For more information on our ST70 Hi Rebate Door System, you can get in touch here.
- 70 mm frame diameter
- Excellent thermal transmissions
- Glazing variance of 28mm – 42mm
- Available as a single door or double doors in a variety of styles
- Certified to Pas 24 standards
- Low conductive polyamides used in the window assembly
- Multi-point locking mechanisms for added security
- Integrated fanlights/sidelights available
- Available with anti-finger trap
- Eco-friendly polyamide core
- Varying threshold options
- Fully integrated to complement our window system
- Single or dual colour available
- Can be pre-assembled in-house saving installation time/cost
| Uw Whole door value*: | 0.9W/m² K | EN ISO 1077-1 |
| Air: | Class 4 | BS 6375-1:2009 |
| Water: | Class 9A | BS 6375-1:2009 |
| Wind: | Class A5 | BS 6375-1:2009 |
| Operating Forces: | Class 1 | BS 6375-2:2009 |
| Mechanical strength: | Class 4 | BS 6375-2:2009 |
| Repeated opening & closing (200,000): | Class 6 (Medium Duty) | BS 6375-2:2009 |
| Security Classification: | PAS 24:2007 |
Maxiuminium size 1250mm x 2700mm (contact APA FACADE SYSTEMS technical department for sizes over and above) *Whole door 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.
