The natural choice Wool Insulation Construction R-values for specific Eco Insulation products Skillion roof – profiled metal cladding 2 Flat timber-framed membrane roof 3 Pitched timber-framed roof – concrete or clay tile 4 Pitched timber-framed roof – profiled steel cladding 5 Bevel-back weatherboard on battens 6 Sheet cladding 7 Rusticated or shiplap weatherboard on battens 8 Rusticated or shiplap weatherboard cladding 9 Bevel-back weatherboard on battens Brick/block veneer 11 Masonry block walls www.ecoinsulation.co.nz 10 12

Skillion roof – profiled metal cladding Required ceiling R-value ceiling dwangs with 10 mm plasterboard Insulating material R-value Key: blanket/segment insulation, 150 x 50 mm rafters 900 mm, 75 x 50 mm dwangs 900 mm blanket/segment insulation, 200 x 75 mm rafters 900 mm, 75 x 50 mm dwangs 900 mm 25 mm clearance between insulation and membrane Note: 25 mm clearance required between insulation and membrane 2

Flat timber-framed membrane roof Required ceiling R-value ceiling battens with 10 mm plasterboard Insulating material R-value Key: blanket/segment insulation, 150 x 50 mm rafters 900 mm, battens < 600 mm blanket/segment insulation, 200 x 50 mm rafters 900 mm, battens < 600 mm Note: Blanket insulation of equivalent R-value add 0.2 3

Actual ceiling R-value Pitched timber-framed roof – concrete or clay tile flat ceiling with battens and 10 mm plasterboard lining Insulating material R-value Key: blanket/segment insulation, timber battens 450 mm or 650 mm blanket/segment insulation, metal battens 450 mm Note: Blanket insulation over joists of equivalent R-value add 0.2 4

Required ceiling R-value Pitched timber-framed roof – profiled steel cladding flat ceiling, 150 x 50 mm joists and 10 mm plasterboard lining Insulating material R-value Key: blanket/segment insulation, joists 480 mm, dwangs 900 mm blanket/segment insulation, joists 480 mm, dwangs 900 mm Note: Blanket insulation over joists of equivalent R-value add 0.2 5

Bevel-back weatherboard on battens Actual wall R-value 100 mm framing and 10 mm plasterboard lining Insulating material R-value Key: dwangs 800 mm, studs 400 mm dwangs 600 mm, studs 400 mm 6 dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 600 mm

Sheet cladding Actual wall R-value 100 mm framing and 10 mm plasterboard lining Insulating material R-value Key: dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 600 mm 7

Required wall R-value Rusticated or shiplap weatherboard on battens 100 mm framing and 10 mm plasterboard lining Insulating material R-value Key: dwangs 800 mm, studs 400 mm dwangs 600 mm, studs 400 mm 8 dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 600 mm

Required wall R-value Rusticated or shiplap weatherboard 100 mm framing and 10 mm plasterboard lining cladding Insulating material R-value Key: dwangs 600 mm, studs 450 mm dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 450 mm dwangs 800 mm, studs 600 mm 9

Bevel-back weatherboard on battens Actual wall R-value 100 mm framing and 10 mm plasterboard lining Insulating material R-value Key: dwangs 800 mm, studs 400 mm dwangs 600 mm, studs 400 mm 10 dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 600 mm

Brick/block veneer Actual wall R-value 100 mm framing and 10 mm plasterboard lining Insulating material R-value Key: dwangs 600 mm, studs 400 mm dwangs 600 mm, studs 600 mm dwangs 800 mm, studs 400 mm dwangs 800 mm, studs 600 mm 11

Masonry block walls Actual wall R-value Timber strapping and 10 mm plasterboard lining Insulating material R-value Key: 50 x 25 strapping, 400 mm crs 50 x 50 strapping, 400 mm crs 12 50 x 25 strapping, 600 mm crs 50 x 50 strapping, 600 mm crs Printed: August 2007