SIP ENERGY BUILDING SYSTEMS Tile / slate 50mm x 25mm Tiling / slating battens STANDARD PARTY WALL CONSTRUCTION CUT SECTION Proprietary flexible cavity fire stop Proprietary flexible cavity fire stop Engineered i joist or timber joist 60 minute min. fire rated gypsum plasterboard or equivalent Engineered i joist or solid timber joist Residual cavity Foundation details as per structural calculations