Ambassador skirting board cover spells the end of decorating skirting boards and painting carpets! Supplied in 2.5metre (8 ') lengths you can transform a room with some basic DIY skills. The skirting is available in two sizes our 120mm system will cover existing skirting boards up to 92mm high (or less plus cables) and between 16 and 30mm thick the 170mm system will cover existing skirting boards up to 142mm high (or less plus cables) and between 16 and 30mm thick.