b'Precast panel to Engineers design anddocumentation.Approved waterproof membrane to entire variesopening of precast panel. Form drip to panel rebate at head.Plastic shims to suit.Sikaflex-20AT or similar approved sealant at 25 25panel/louvre junction to rear of louvre to match Sikaflex-20AT or similar approved sealant atexterior. louvre/panel junction on PEF backing rod toratio of 2:1 installed to manufacturersrecommendations.Louvre fixed into precast panel with suredrive Osbournes Model WPL80 (Channel).anchors @ 400mm c/c.Model WPL 80 (Channel Frame)Typical Precast/Louvre Head Detail 01Osbournes LtdScale 1:5Precast panel to Engineers design anddocumentation.Louvre fixed into precast panel with suredrive variesanchors @ 400mm c/c. Approved waterproof membrane to entirePlastic shims to suit. opening of precast panel.Sikaflex-20AT or similar approved sealant at Sikaflex-20AT or similar approved sealant atpanel/louvre junction to rear of louvre to match louvre/panel junction on PEF backing rod toexterior. ratio of 2:1 installed to manufacturersrecommendations.Osbournes Model WPL80 (Channel). Sloping sill below.Model WPL 80 (Channel Frame)Typical Precast/Louvre Jamb Detail 02 Osbournes LtdScale 1:5Page 21'