How to Order Insert the width and length of the room in meters.     Click "Calculate Price" and after that "Add to Basket".     Note: The quotation will include the number of packages you need to order for the surface you have measured and we automatically add an extra 5% of the total area to your order to compensate the losses caused by trimmings. You can change this anytime in the basket page, by changing the number of packs and clicking "Update".     For different shaped rooms you may need to consider every shape as alcoves or small adjacent rooms or update the quantity with a few packs in the basket page.