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P33A/T Triple-Glazed Inward Open Alu-Clad Timber / Timber Only Window
Verified by manufacturer 1 day ago
PAS 24
Certificate type
Triple-glazed inward opening window with optional aluminium cladding, suitable for Passive Houses.
Application
Suitable for modern or traditional low-energy and Passive House-standard homes, refurbishments, retrofits and multi-dwelling developments.
Whether it's converting industrial barns into a contemporary sanctuary or pushing the boundaries of sustainable design in Passive House schools, our projects span every architectural vision.
We work with clients on a wide range of projects throughout England, Wales and parts of Scotland.
Description
This triple-glazed, energy-efficient tilt-and-turn window comprises a 90 mm laminated timber frame (Timber-Only Window model P33T) and optional aluminium cladding (Alu-Clad Window model P33A) is a.
Suitable for Passive House and low-energy homes, it offers excellent insulation, durability, easy operation, and low maintenance.
Features and benefits:
- Triple-glazed 52 mm unit with argon gas, warm edge spacer, and two Low-E panes for excellent insulation.
- Whole-window U-value around 0.77 W/m²K for Passive House-level efficiency.
- 90 mm laminated timber frame and deeper glazing for improved performance over the P23 model.
- External aluminium cladding protects the frame and ensures durability with minimal maintenance.
- Tilt-and-turn operation allows ventilation and easy inward opening for cleaning. Also available in fixed pane, tilt-only and turn-only configurations.
- Advanced sprayed coatings enhance timber durability and finish.
- Polyester powder-coated aluminium cladding for a smooth, resilient exterior.
- Aluminium and timber available in a full range of RAL colours for design flexibility.
- Optional Juliet Balcony for added style and safety.
- Combines timber warmth with aluminium strength for modern, energy-conscious homes.
- PAS 24 Certified.
General information
Color | Beige Black Blue Bronze Brown Manufacturer guidanceBoth aluminium and timber components available in a full range of RAL colours for complete design flexibility. |
Finish | Powder-coated Textured Painted Stained |
Material | Wood Timber Aluminium |
Shape | Rectangle Square Circle Crescent Diamond |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Ten year |
Uniclass | |
CAWS | L1/102 Proprietary windows L10/400 Composite windows L10/33 Proprietary windows |
SKU Code | P33A |
Specification data - Composite window units
Classification data | |
Standard | To EN 14351. |
Third-party certification | PAS 24. |
Dimensions and configurations | Manufacturer guidanceInward opening. Consult manufacturer for details and insert size requirements. |
Product performance | |
Weather performance | |
Air permeability | To EN 12207, Class 4. |
Watertightness | To EN 12208, Class E1500. |
Resistance to wind load | To EN 12210, Class 5C. |
Safety | |
Security level | To PAS 24. |
Environmental | |
Acoustic performance rating | 34 dB. |
Thermal | |
Whole window U-value | 0.77 W/m²K. Guidance for specification option: Glass U-value: 0.52 W/m²K. |
Frame | |
Profile | 90 mm laminated timber frame. |
Wood species | Pine. |
Chain of custody | FSC and PEFC. |
Wood finishes | Sprayed, RAL colour. Guidance for specification option: Consult manufacturer for details and insert requirements. |
Metal finishes | |
Coating | Polyester powder-coated. |
Colour | RAL colour. Guidance for specification option: Available in a full range of RAL colours. Consult manufacturer for details and insert requirements. |
Film thickness (minimum) | Coating applicator to determine. |
Glazing or infill | |
Requirements | 52 mm triple glazed, two panes Low-E, argon filled. |
Hardware | ROTO hinges and espagnolette. Hoppe handle |
Operation | |
Type | Manual. |
Fixing features | Manufacturer guidanceConsult manufacturer for details and insert requirements. |
Opening | Fixed pane. Tilt and turn. Tilt only. Turn only. |
Sustainability data
Contains Red List materials | No |
Country of material origin | Europe |
Country of product manufacture | Estonia |
Manufacturing plant location | |
Material | Wood Timber Aluminium |
Expected Life | 50 year |
Product certifications
PAS 24
P33 PAS 24:2016 Certificate
Literature
Literature type
Inward Opening Alu-Clad Window (P33A)
Norrsken Window Handles Brochure
Case studies
Award-Winning Yorkshire Passive House
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P31A/T Triple-Glazed Outward Open Alu-Clad Timber / Timber Only Window