Insulation boards are rigid boards or sheets made of foamed polystyrene, polyurethane, polyisocyanurate, or gypsum. Their rigid, closed-cell structures provide better insulation compared to ...

Example of a one line version of a RIBA Site Signboard The signboards are available in standard sizes (1.2m and 2.4m wide), produced on a 5mm rigid board (suitable for outdoor), a vinyl sticker ...