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GreenStuf® Thermal Underfloor Blanket

Thermal insulation blanket that reduces heat loss through floors.

GreenStuf® Thermal Underfloor Insulation Blanket is designed to insulate residential and commercial spaces with exposed joist floors in new and existing homes.

GREENSTUF® THERMAL UNDERFLOOR BLANKET
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Product NameBRANZ AppraisedR-ValueThicknessStandard WidthTypeNominal grams per m2 (GSM)Nominal Density (kg/m3)
Thermal Underfloor BlanketR1.5100mm450 / 500 / 550 / 600 / 650mmRoll7507.5
Thermal Underfloor BlanketR1.8100mm450 / 500 / 550 / 600 / 650mmRoll102510.3
Thermal Underfloor BlanketR2.0115mm450 / 500 / 550 / 600 / 650mmRoll115010
Thermal Underfloor BlanketR2.6140mm500 / 600mmRoll165011.8
Thermal Underfloor BlanketR2.9140mm380 / 500 / 580 / 600mmRoll185013.2
Thermal Underfloor BlanketR3.4140mm500mmRoll285020.4
  • No need to cut or trim to fit, simply staple into place between the joists.
  • Available in a wide range of pre-cut rolls to fit standard exposed timber joist floors.
  • Reduces heat loss through floors and drafts caused by gaps in the floorboards.
  • Thermally bonded without harmful chemicals
  • Safe and easy to install without PPE
  • Made locally in New Zealand

Everything you need

Want to know more about GreenStuf® solutions? Find your local GreenStuf supplier, product warranties, or reach out to our team below.

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Not only is GreenStuf® insulation the non-toxic and environmentally-smarter solution, but our team of experts is also here to help with all your energy efficiency needs.

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Kiwi families love GreenStuf® because they know it will keep their homes warmer, healthier, and drier all year-round.

Insulation that's safe for you and your projects

GreenStuf® 100% polyester insulation doesn’t just comply with strict building standards, it’s also non-toxic and safe to touch without PPE—ensuring a hazard and itch-free installation.

Featured Project

Check out GreenStuf® insulation solutions in action through our residential, commercial and educationally based case studies.

The ability to take back used GreenStuf insulation helped the project team meet its waste-reduction goals for the Oceania Healthcare office refurbishment. The project Architects Warren and Mahoney and Alaska…

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