SI-Siegenia
SI-Siegenia specialises in premium hardware systems for aluminium windows, bi-fold doors, tilt and turn windows, and patio door applications. Its product range includes tilt and turn gearing systems, concealed hinges, bi-fold door hinges, sliding door hardware sets, handles, shootbolts, door restrictors, hold-open catches, lock components, and replacement accessories. Designed for compatibility with Siegenia aluminium systems, these components provide dependable solutions for the installation, repair, maintenance, and refurbishment of residential and commercial window and door systems, delivering precise fit and long-lasting performance.
The SI Siegenia Tilt and Turn Drive Gear Bottom Extension Piece (Part: BE/4) is the bottom extension..
£14.11 Ex Tax: £11.76
£14.11 Ex Tax: £11.76
The SI Siegenia Tilt and Turn Drive Gear Bottom Tilt Lock is one of the main parts of the Si Siegeni..
£21.53 Ex Tax: £17.94
£21.53 Ex Tax: £17.94
The SI Siegenia Tilt and Turn Drive Gear Hinge Pack is for use with SI Siegenia tilt and turn window..
£36.82 Ex Tax: £30.68
£36.82 Ex Tax: £30.68
NOW DISCONTINUEDCLICK HERE FOR NEW SYSTEM....The SI Siegenia Tilt and Turn Drive Gear Mechanism (Ful..
£189.19 Ex Tax: £157.66
£189.19 Ex Tax: £157.66
SI Siegenia Tilt and Turn Drive Gear Scissor Stay/Top Tilt Arm (SS/5)When ordering parts SS/5, you c..
£40.27 Ex Tax: £33.56
£40.27 Ex Tax: £33.56
The SI Siegenia Tilt and Turn Drive Gear Small Top Corner VSO (Part: TC/2) is the smaller version of..
£48.62 Ex Tax: £40.52
£48.62 Ex Tax: £40.52
The SI Siegenia Tilt and Turn Drive Gear Top Corner (Part: TC/1) is one of the main parts of the Si ..
£32.59 Ex Tax: £27.16
£32.59 Ex Tax: £27.16
NOW DISCONTINUED, LIMITED STOCK AVAILABLE IN CERTAIN SIZES Please be advised if the specif..
£33.31 Ex Tax: £27.76
£33.31 Ex Tax: £27.76
The SI Siegenia Tilt and Turn Sash Jig is used for drilling the precise holes requir..
£53.30 Ex Tax: £44.42
£53.30 Ex Tax: £44.42
The SI Siegenia Tilt and Turn Timber Window Gearing System is for use with single sash timber window..
£210.56 Ex Tax: £175.47
£210.56 Ex Tax: £175.47
The SI Siegenia Tilt Bearing Keep Striker Plate allows the window to tilt inwards when engaged in ti..
£10.66 Ex Tax: £8.88
£10.66 Ex Tax: £8.88
NOW OBSOLETE (NEW VERSION (2018>) ONLY AVAILABLE, NOT COMPATIBLE WITH OLDER SYSTEMS)The SI Siegen..
£13.87 Ex Tax: £11.56
£13.87 Ex Tax: £11.56
The SI Siegenia Tilt Striker (Part No. 380) is for a tilt before turn window. This operates the tilt..
£12.42 Ex Tax: £10.35
£12.42 Ex Tax: £10.35
LIMITED STOCK/ SYSTEM DISCONTINUEDThe SI Siegenia Tilt Switch Barrier connects the top frame hinge t..
£12.41 Ex Tax: £10.34
£12.41 Ex Tax: £10.34
The SI Siegenia Tilt Window/Door Keep is for use on timber windows/doors, uPVC windows/doors, and al..
£10.56 Ex Tax: £8.80
£10.56 Ex Tax: £8.80
The SI Siegenia Timber Window Roller Cam Keep (Part No: 1361) is for use on timber windows and doors..
£4.99 Ex Tax: £4.16
£4.99 Ex Tax: £4.16
The SI Siegenia Window Keep (0860) is for use on timber windows, uPVC windows, and aluminum windows...
£5.68 Ex Tax: £4.73
£5.68 Ex Tax: £4.73
Si Siegenia Window Roller Keep 0941These keeps are used on upvc windows, wooden windows and aluminum..
£3.54 Ex Tax: £2.95
£3.54 Ex Tax: £2.95
The SI Siegenia Window/Door Keep (2040 82) is for use on timber windows and doors, uPVC windows and ..
£5.34 Ex Tax: £4.45
£5.34 Ex Tax: £4.45
The SI Siegenia Window Roller Cam Keep (0760) is for use on timber windows and doors, uPVC windows a..
£4.45 Ex Tax: £3.71
£4.45 Ex Tax: £3.71
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SI-Siegenia specialises in premium hardware systems for aluminium windows, bi-fold doors, tilt and turn windows, and patio door applications. Its product range includes tilt and turn gearing systems, concealed hinges, bi-fold door hinges, sliding door hardware sets, handles, shootbolts, door restrictors, hold-open catches, lock components, and replacement accessories. Designed for compatibility with Siegenia aluminium systems, these components provide dependable solutions for the installation, repair, maintenance, and refurbishment of residential and commercial window and door systems, delivering precise fit and long-lasting performance.
The SI Siegenia Tilt and Turn Drive Gear Bottom Extension Piece (Part: BE/4) is the bottom extension..
£14.11 Ex Tax: £11.76
£14.11 Ex Tax: £11.76
The SI Siegenia Tilt and Turn Drive Gear Bottom Tilt Lock is one of the main parts of the Si Siegeni..
£21.53 Ex Tax: £17.94
£21.53 Ex Tax: £17.94
The SI Siegenia Tilt and Turn Drive Gear Hinge Pack is for use with SI Siegenia tilt and turn window..
£36.82 Ex Tax: £30.68
£36.82 Ex Tax: £30.68
NOW DISCONTINUEDCLICK HERE FOR NEW SYSTEM....The SI Siegenia Tilt and Turn Drive Gear Mechanism (Ful..
£189.19 Ex Tax: £157.66
£189.19 Ex Tax: £157.66
SI Siegenia Tilt and Turn Drive Gear Scissor Stay/Top Tilt Arm (SS/5)When ordering parts SS/5, you c..
£40.27 Ex Tax: £33.56
£40.27 Ex Tax: £33.56
The SI Siegenia Tilt and Turn Drive Gear Small Top Corner VSO (Part: TC/2) is the smaller version of..
£48.62 Ex Tax: £40.52
£48.62 Ex Tax: £40.52
The SI Siegenia Tilt and Turn Drive Gear Top Corner (Part: TC/1) is one of the main parts of the Si ..
£32.59 Ex Tax: £27.16
£32.59 Ex Tax: £27.16
NOW DISCONTINUED, LIMITED STOCK AVAILABLE IN CERTAIN SIZES Please be advised if the specif..
£33.31 Ex Tax: £27.76
£33.31 Ex Tax: £27.76
The SI Siegenia Tilt and Turn Sash Jig is used for drilling the precise holes requir..
£53.30 Ex Tax: £44.42
£53.30 Ex Tax: £44.42
The SI Siegenia Tilt and Turn Timber Window Gearing System is for use with single sash timber window..
£210.56 Ex Tax: £175.47
£210.56 Ex Tax: £175.47
The SI Siegenia Tilt Bearing Keep Striker Plate allows the window to tilt inwards when engaged in ti..
£10.66 Ex Tax: £8.88
£10.66 Ex Tax: £8.88
NOW OBSOLETE (NEW VERSION (2018>) ONLY AVAILABLE, NOT COMPATIBLE WITH OLDER SYSTEMS)The SI Siegen..
£13.87 Ex Tax: £11.56
£13.87 Ex Tax: £11.56
The SI Siegenia Tilt Striker (Part No. 380) is for a tilt before turn window. This operates the tilt..
£12.42 Ex Tax: £10.35
£12.42 Ex Tax: £10.35
LIMITED STOCK/ SYSTEM DISCONTINUEDThe SI Siegenia Tilt Switch Barrier connects the top frame hinge t..
£12.41 Ex Tax: £10.34
£12.41 Ex Tax: £10.34
The SI Siegenia Tilt Window/Door Keep is for use on timber windows/doors, uPVC windows/doors, and al..
£10.56 Ex Tax: £8.80
£10.56 Ex Tax: £8.80
The SI Siegenia Timber Window Roller Cam Keep (Part No: 1361) is for use on timber windows and doors..
£4.99 Ex Tax: £4.16
£4.99 Ex Tax: £4.16
The SI Siegenia Window Keep (0860) is for use on timber windows, uPVC windows, and aluminum windows...
£5.68 Ex Tax: £4.73
£5.68 Ex Tax: £4.73
Si Siegenia Window Roller Keep 0941These keeps are used on upvc windows, wooden windows and aluminum..
£3.54 Ex Tax: £2.95
£3.54 Ex Tax: £2.95
The SI Siegenia Window/Door Keep (2040 82) is for use on timber windows and doors, uPVC windows and ..
£5.34 Ex Tax: £4.45
£5.34 Ex Tax: £4.45
The SI Siegenia Window Roller Cam Keep (0760) is for use on timber windows and doors, uPVC windows a..
£4.45 Ex Tax: £3.71
£4.45 Ex Tax: £3.71













































