Description
Made-to-Measure Dual-Vent Left-Active Rosewood uPVC Casement Windows
Introduce advanced micro-ventilation control, structural asymmetry, and elite thermal management to your property with our custom-built rosewood uPVC window. Engineered precisely to fit your structural openings down to the single millimeter, this high-specification 2-light configuration is optimized for secondary bedrooms, kitchens, and hallways where specialized, multi-tiered airflow control is needed on one side while maintaining clear views on the other.
This functional configuration serves as an excellent addition to our uPVC casement windows range. By focusing two independent opening mechanisms entirely within the left-hand column, the system provides flexible seasonal options for managing indoor air change. You can push open the compact top-hung transom sash for security-conscious micro-ventilation during light rainfall, or engage the larger lower awning sash to increase air volume. The adjacent right-hand segment remains completely clear with a full-height fixed pane, ensuring thin architectural sightlines that allow uncompromised natural light to fill your living space.
Multi-Chamber Frame Insulation & Rigorous Property Security
Fabricated using a high-density 70mm fully sculptured profile system, this asymmetric dual-light window handles seasonal temperature shifts effortlessly via integrated internal air chambers. These pockets break the transfer of cold air from the outside, cooperating with advanced double-glazing technology to optimize your home’s microclimate.
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Glazing Efficiency: Outfitted with 28mm soft-coat Low-E double glazed uPVC windows units, filled with insulating Argon gas and sealed with a black warm-edge spacer bar to eliminate thermal bridging.
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Security Integration: Designed with structural internal glazing beads that block external pane extraction, paired with robust multi-point locking systems securing the active lower opening hardware.
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Weatherproof Sealing: Patented double-action ‘bubble’ gaskets form an airtight compression seal, ensuring the frame remains entirely immune to draughts, moisture ingress, or sun-fading over its lifespan.
Technical Specifications
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Standards Compliance: Fully compliant with UK Part L Building Regulations
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Profile Frame: 70mm fully sculptured multi-chambered uPVC
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Security Architecture: Internally beaded glazing with multi-point locking hardware
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Product Warranty: 10-year structural profile guarantee
Custom Ordering Capabilities
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Frame Width Range (Min – Max): 800mm – 1800mm
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Frame Height Range (Min – Max): 1000mm – 2200mm








