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40 Ultra-Narrow Casement

4 opening directions, single or double-glazed stile.

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Key Specifications

Stile
18 × 40, 1.8 mm
Outer frame
46 mm (52 wall)
Wall wrap
22 mm

Glazing Options

5+0.76+5
5 mm + PVB 0.76 + 5 mm
Laminated safety
5+20A+5
5 mm + Air 20 + 5 mm
Standard double glazing

Engineering details

Profile, sealing & performance

Air
Class 3
Wind
C3
Acoustic
32 dB Rw

Construction

Alloy6063-T5
Wall thickness1.8 mm
Frame depth46 (52 wall) mm

Sealing & hardware

EPDM perimeter seal

Concealed three-way adjustable hinges

German engineered multi-point

Dimensions & drainage

Max width1100 mm
Max height2500 mm

Hidden outlet at threshold

Glazing bead profiles

Available bead profiles for this series:

  • Beveled
  • Square

Opening modes

Four lock-and-swing configurations are available — A through D.

AMode

Right lock · inward swing

BMode

Left lock · inward swing

CMode

Right lock · outward swing

DMode

Left lock · outward swing

Series gallery

Real installations and hardware details from the manufacturer reference catalogue.

40 ultra narrow casement — in-situ architectural installation
40 ultra-narrow casement door — concealed three-way hinges, 4 opening modes A/B/C/D.
40 ultra narrow casement frame profile detail
Frame profile — thermal break, EPDM gaskets and glazing bead engineering.
40 ultra narrow casement hardware close-up
Engineered hardware — hinges, locks and handles finished to match the frame.

Color Palette

15 standard finishes — RAL custom on request.

Coffee
Brown
Sand Gray
Beige
Metallic Platinum Gray
Silver
Black Gold
Black
Starshine Gray
Gray
Porcelain Electroplated Black
Black
Porcelain Electroplated Gray
Gray
Fluorine Porcelain Gray
Gray
Milan Gray
Gray
Milan White
White
Cream Gray
Beige
Original Wood
Wood-effect
Extreme Black
Black
Extreme Gray
Gray
Ceramic Silver Gray
Silver

Plus custom RAL on RFQ (Liangxuan chart, +2 weeks lead time). All finishes available indoor and outdoor.

Technical Advantages

  • 4 opening directions
  • Single or double-glazed stile
  • Slim 18 mm stile
  • Designer interior aesthetic

Use Cases

Bathrooms
Bedrooms
Designer interiors

Warranties

  • Marine-grade powder coating10 years (within 300 m of coast)
  • German engineered hardware5 years
  • Tempered laminated glass5 years
  • MAZLOKS installation2 years

UK Compliance

  • BS 6206 — tempered / laminated glass
  • Document L — thermal (Low-E + Argon recommended)
  • Part Q — security

Lead time: 12–14 weeks from PO confirmation to UK delivery.

Ready to specify?

Request a Quote for 40 Ultra-Narrow Casement

Free consultation | Competitive pricing | Nationwide installation