Heavy Duty 41 (HC)

A versatile heavy-duty hinged casement system with flush hinges suitable for treating large windows and doors. Glazing bead options allow thicker glass for noise insulation, sealed secondary glazing units for enhanced thermal insulation and sealed units with integral blinds or Switchable glass for privacy. Both single casement and double casements with a secure lock option have accreditation to Secured by Design.

Recommended maximum frame sizes (mm)

  Height (mm) Width (mm)
Single 2700   1500
Double 2700 3000
Stable Door  2700 1350

Glazing Range

6 mm to 12 mm 24mm (sealed glass unit to form triple glazing) 28mm (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.

Hinged Casement

Hinged Casement Frame

Gallery

Series 41 Hinged Casement isometric image Base to Stay Series 41 Hinged Casement - Secondary Glazing Installation Base to Stay bedroom - Series 41 Hinged Casement - selectaglaze secondary glazing window for noise insulation Series 41 Hinged Casement Secondary Glazing Installation in Cambridge BioLab Private residence in Oundle Hinged Casement - Series 41 Secondary Windows Ramsgate Library - Series 41 Hinged Casement Secondary Glazed Window Hinged Casement - Series 41 for heat retention at Pollen House offices Hinged Casement Secondary Glazed Units Series 41 - Pollen House St Georges Church - Series 41 Hinged Casement - Secondary Glazing Thermal Series 41 hinged casement secondary windows installed in The Tate Liverpool

Styles available

Selectaglaze single and double side hung secondary glazing options Top and bottom hung casement secondary glazing options by Selectaglaze Selectaglaze stable door and curved head casement secondary glazing options Secondary glazed curved head and gothic arched casement options Selectaglaze curved head and gothic arched double casement secondary glazing options 

Section diagrams

Selectaglaze secondary glazing Series 41 heavy duty side hung casement 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
24-28mm 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)
6.8 - 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 Secured by Design (accredited police preferred product)
BLAST ISO 16933 EXV 33 (single side hung only)
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 Match frame colour
H9 Rosette (Square Drive/Removable Key) Match frame colour 
H12 Peardrop Handle (Allen Key Lockable) Polished Brass 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

Never miss one bit!

Subscribe to our monthly Newsletter to receive updates on our news and CPD initiatives.

Thank you!

Thanks for joining our mailing list.

Our use of cookies

We use cookies to provide you with a great experience and to help our website run effectively. You can find out more and change your cookie preferences anytime on our Cookie Policy page.