Heavy Duty 41 (LO)

A lift-out version of the Series 41 casement unit that is suited to larger shaped and circular windows. Thicker glass options provide high levels of noise insulation.

Recommended maximum frame sizes (mm)

  Height (mm) Width (mm)
Single 2400   1200

Glazing Range

6 mm to 28 mm 24 mm (Sealed glass unit to form triple glazing)

Frame Finishes

Standard white (HIPCA semi-gloss). Any standard powder paint, wood grain or anodised finish to order.

Lift-out

Lift Out Product

Gallery

Selectaglaze Series 41 Heavy Duty Lift Out Isometric Secondary glazing heavy duty solution Series 41

Styles available

Standard lift out and curved lift out secondary glazing options by Selectaglaze Selectaglaze lift out unit option in circular and semi circular forms

Section diagrams

Selectaglaze secondary glazing Series 41 heavy duty lift-out section diagrams

Warmer

INSULATION (U-VALUE) CALCULATED IN COMBINATION WITH A PRIMARY WINDOW AT BRFC SAMPLE SIZE OF 1430 X 1230MM
GLASS METAL PRIMARY WINDOW TIMBER PRIMARY WINDOW
6 - 12mm  2.85 W/m2K   2.58 W/m2K 
6 - 12mm low-E 1.91 W/m2K    1.79 W/m2K 
24mm low-E sealed units 1.79 W/m2K 1.68 W/m2K
24mm gas filled low-E sealed units 1.73 W/m2K  1.63 W/m2K 
24mm enhanced thermal sealed units 1.34 W/m2K  1.27 W/m2K 

Quieter

NOISE INSULATION MEASURED IN COMBINATION WITH A PRIMARY WINDOW
GLASS 50MM CAVITY 100MM CAVITY 200MM CAVITY
 6 - 6.4mm 41 dB (Rw)  45 dB (Rw) 47 dB (Rw)
 6.4 Acoustic - 7.5mm 42 dB (Rw)  46 dB (Rw)  48 dB (Rw) 
 8 - 10mm 43 dB (Rw)  47 dB (Rw)  49 dB (Rw) 
 10.8 - 12mm 44 dB (Rw)  48 dB (Rw)  50 dB (Rw) 

Safer

SECURITY PERFORMANCE (MAXIMUM ACHIEVABLE, CONTACT SELECTAGLAZE FOR SPECIFICATION REQUIREMENTS)
  TEST STANDARD
INTRUDER Non certified second barrier to entry
BLAST N/A
BALLISTIC N/A
FIRE N/A
  • H6 Slimline Handle (Lockable)
  • H7 Non-Locking Handle
  • H8 Locking Handle
  • H9 Rosette (Square Drive/Removable Key)
  • H12 Peardrop Handle (Allen Key Lockable)
  • H15 Reeded Handle (Allen Key Lockable)
  • H16 Monkeytail Handle (Allen Key Lockable)
  • H18 Vivo Low Profile Handle
  • H21 Flush Lock with Cover Disc
  • H22 Flush Lock with Security Cover Plate
  • L7 Spring Catch
ITEMS FINISHES
H6 Slimline Handle (Lockable) White Black Gold Polished chrome Satin chrome
H7 Non-Locking Handle Match frame colour
H8 Lockable Handle White Black 
H9 Rosette (Square Drive/Removable Key) Match frame colour
H12 Peardrop Handle (Allen Key Lockable) Polished chrome
H15 Reeded Handle (Allen Key Lockable) Polished brass Polished chrome Satin chrome
H16 Monkeytail Handle (Allen Key Lockable) Black
H18 Vivo Low Profile Handle Polished chrome Satin chrome Match frame colour
H21 Flush Lock with Cover Disc H22 Flush Lock with Security Cover Plate Match frame colour

Looking for more?

To view the coupling guide and other documents available, please visit the technical downloads.

Go to technical downloads

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