What deductions do I need to take before placing an order?

Please note, the below deductions are a TWC recommendation only.
We highly suggest using your own discretion if your ‘normal’ deductions are different from ours.

Aluminium Venetians

25mm Aluminium
Recess	5mm off width - 10mm off drop
Face	None
Corner Window Face	Through Blind - 5mm Butt Blind - 30mm
Bay Window Face	Middle - 30mm Both Sides - 15mm

50mm Aluminium
Recess	5mm off width - 10mm off drop
Face	None
Corner Window Face	Through Blind - 5mm Butt Blind - 65mm
Bay Window Face	Middle - 70mm Both Sides - 35mm

Please note: All recess allowances are based on measuring at the front of the reveal

Timber Venetians & Visionwood

50mm, 63mm & 46mm Timbers
Recess	5mm off width - 10mm off drop
Face	None
Corner Window Face	Through Blind - 5mm Butt Blind - 65mm
Bay Window Face	Middle - 70mm Both Sides - 35mm

Please note: Deductions are the same for all products. All recess allowances are based on measuring at the front of the reveal

Panel Glides

Panel Glide Deductions
Recess	5mm off width - 10mm off drop
Face	none off width - 10mm off drop

Roller Blinds

Single Brackets
Recess	3mm off Width only
Face	None
Corner Window Face	Through Blind - 3mm Butt Blind - 70mm
Bay Window Face	Middle - 70mm Both Sides - 35mm

Double Brackets - Same side/Opposite side
Recess	3mm off Width only
Face	None
Corner Window Face	Through Blind - 3mm Butt Blind - 130mm

Double Brackets Slim Combo
Recess	3mm off Width only
Face	None
Corner Window Face	Through Blind - 3mm Butt Blind - 105mm

Easy link
Recess 2 linked	1mm off Each Blind
Face 2 linked	None
Recess 3 linked	1mm off Each Blind
Face 3 linked	None

Romans

Face

None off width

Please note: Refer to price book for drop deductions. TWC does not recommend Romans to be installed in a recess application

Corner
Through Blind	5mm
Butt Blind	45mm up to 1800mm drop * 55mm 1800mm - 3000mm *

* This may vary depending on Drop

Honeycell

Recess	5mm off width, 5mm off drop
Face	None
Corner Window Face	Through Blind - 5mm Butt Blind - 35mm
Bay Window Face	Middle - 35mm Both Sides - 18mm

Verticals

Recess	5mm off width - 10mm off drop
Face	None
Corner Window width (recess)	Through - 5mm Butt Blind - 5mm \| 127mm slats 5mm \| 90mm slats
Corner Window width (face)	Through - 5mm Butt Blind - 105mm \| 127mm slats 105mm \| 90mm slats
Bay Window width (recess)	Middle - 5mm \| 127mm slats Both sides - 5mm \| 127mm slats Middle - 5mm \| 90mm slats Both sides - 5mm \| 90mm slats
Bay Window width (face)	Middle - 80mm \| 127mm slats Both sides - 40mm \| 127mm slats Middle - 80mm \| 90mm slats Both sides - 40mm \| 90mm slats