Sarking
Underlay is often (wrongly) referred to as sarking, which is a term used for rigid boarding and insulation over rafters. Sarking is wood boarding used under tiles or slates to provide support to the underlay, commonly used in Scotland.
Underlay is often (wrongly) referred to as sarking, which is a term used for rigid boarding and insulation over rafters. Sarking is wood boarding used under tiles or slates to provide support to the underlay, commonly used in Scotland.