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Key Features
• Liner terminates at top of cladding rail and the rail is sealed.
• Liner is air and vapour sealed to flanges of cladding rail, to manufacturers' recommendations.
• Insulation thickness and spacers to manufacturers' recommendations to achieve U £ 0.35 W/m²K.
• Parapet cap made from 0.7 mm steel (or equivalent in aluminium etc).
• Cap to slope to the inside, 6° minimum.
• Insulation under cap to be at least the thickness/type used on walls. i.e. 120 mm (approx) for glass fibre, 60 mm (approx) for urethane.
• If quilt is used on top of the rail, an intermediate spacer is required. (Quilt prefered, as gaps can be filled).
• Cap fixed to cladding, with seals, fillers etc. as normal.
• Butt strap joints to manufacturers' details.
• Thermal bridging will be low.

Built-Up Systems Details

Ridge - Twin Skin
Corner - Twin Skin
Window/Door Jamb - Twin Skin
Window/Door Head - Twin Skin
Window Sill - Twin Skin
Eaves - Twin Skin
Sill - Twin Skin
Verge - Twin Skin
Parapet Top - Twin Skin
Parapet Verge - Twin Skin
Parapet Gutter - Twin Skin
Overhanging Eaves - Twin Skin
Overhanging Eaves - Twin Skin (No Liner Bridge)
Overhanging Verge - Twin Skin
Hip - Twin Skin
Hip Valley - Twin Skin
Valley Gutter - Twin Skin

Composite Panel Systems Details

Ridge - Composite Panels
Corner - Composite Panels
Window/Door Jamb - Composite Panels
Window/Door Head - Composite Panels
Window Sill - Composite Panels
Eaves - Composite Panels
Sill - Composite Panels
Verge - Composite Panels
Parapet Top - Composite Panels
Parapet Verge - Composite Panels
Parapet Gutter - Composite Panels
Overhanging Eaves - Composite Panels
Overhanging Verge - Composite Panels
Hip - Composite Panels
Hip Valley - Composite Panels
Valley Gutter - Composite Panels