Online support

Ask before you order.

Tell us about the opening, product or existing order. Include dimensions in millimetres and the part that looks unusual. We reply by email.

Useful details to include

  • Which product and how many openings
  • All relevant measurements in millimetres
  • Where the readings differ or a surface is missing
  • A straight-on photo and close-up of anything unusual
  • Your town and any order reference

You can attach photos or a PDF plan with the form.

Add a straight-on photo, close-up of the frame or obstruction, or a PDF plan. Up to 6 JPG, PNG, WebP, HEIC, HEIF or PDF files; 10 MB each and 30 MB combined. Avoid including people, house numbers or unrelated personal information.

We use these details only to answer this enquiry and manage any related order.