Substrate
Substrate
Material that is used, or is representative of that used, immediately beneath a surface product.
EXAMPLE:Skimmed plasterboard beneath a wall-covering.
ISO 5658-2:2006/Amd.1:2011(en)
ISO 5658-2:2006(en) Reaction to fire tests — Spread of flame — Part 2: Lateral spread on building and transport products in vertical configuration