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

 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

 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

 10mm off drop only

 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.