17th May 2022 How to select your Shadowline skirting size? Intrim Shadowline System door jambs are available to suit 70mm and 90mm stud widths and available in 30mm and 40mm thicknesses. Shadowline Skirting Board are available to suit 10mm (most common for residential applications) and 13mm plasterboard thickness. 18mm thick FR MDF is used for fire rated skirting board. Many skirting heights are available ranging from 90mm to 285mm, which delivers a visible height from 65mm to 260mm. Custom sizes can be made to suit your project, however when choosing the height of your Shadowline Skirting Board, be mindful that the Shadowline itself sits 35mm down from the overall height of the timber. To make selecting your Shadowline skirting we have referenced the sizes as the visible height, which is the height from the bottom of the board to the top of the Shadowline groove. See the Shadowline table of dimensions to easily select the size and type to suit your project. The Shadowline groove is offered in 10mm or 5mm to suit the look that best suits your particular project. As our timber mouldings are made to order we can customise the dimensions to meets your project requirements on request.