New Articles

  1. Glass Rules

    The diagram below is a helpful guide, but does not replace fully studying NZ4211 or Building Code F4 ...
  2. Order Date Comparer

    Download and unzip a copy of the Starke Order Comparer tool:  Starke Order Date Comparer.zip ...
  3. Aspect Ratios On Sliders

    Aspect Ratio Warning on Sliders The uPVC industry worldwide recommends not to exceed a ratio of 2:1 where the height of the sash should not be more than double the width of sash.  The reason for this is that when the sash gets too high, relative...
  4. M2 Calculator

    Square Meters Calculator Total Square Meters Calculator Item Periphery (PP in mm): Item Length (L in mm): Quantity of Items (Q): Calculate Total M² ...
  5. Calculate Air Seal Sealant Quantity for 600ml wet seal sausage tubes

    Sealant Quantity Calculator   Calculate the number of 600ml tubes of silicone you will need to seal a window (or houselot). Suggestion is that a 15mm x 15mm bead of silicone is allowed for.  Total Window Perimeter (Metres): ...
  6. How to remove a door sash

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  7. Additional Sealing for Doors - D Seal

    Part code 405533 is a self adhesive seal for additional sealing when doors are slightly bowed, or not quite sealing correctly and in Australia for 'Smoke Stop' requirements. ...
  8. Replacing Stay arm on Tilt and Turn

    Step 1 Step 2 Step 3   Step 4  Step 5   Step 6 Step 7   Step 8 -  Pin position while cutting the excess Step 9 - Where to cut new stay arm (after step 8) New Stay in position Step 10 ...
  9. Explaining the Stickers on uPVC joinery

    Every uPVC item that is cut in the Starke CNC has a label on it similar to below.  The elements on this label are as follows:   Window number from plans, eg “Window 6” Room number from plans, eg “Bedroom 3”. Note, sp...
  10. Handle Heights on Hinged Doors

    Hinge Door Handle Heights can be altered to suit customers requirements though this is rarely a requirement.  The default handle height is 1000mm from the Sash Rebate Position (SRP - see below in green), which  translates into approx. 1070mm from...