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

 

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

Shutters



Both Chinese and Australian Made Shutters should be ordered by the customer with no deductions made.

When the factories drawings are produced a deduction of 3mm off the width and 4mm off the drop is automatically taken.