You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

ecoinsulation glasswool FloorShield Thermal Underfloor

ecoinsulation FloorShield Underfloor insulation with DriTherm technology is made using a silicone treatment that is added to the glasswool during manufacture to upgrade the moisture resistance of the insulation, and provide guaranteed water resistance for 50 years.

ecoinsulation FloorShield Underfloor insulation comes faced with a wind-wash barrier, which provides protection to air movement under the floor for enhanced thermal performance and is made using:

  • Up to 80% recycled glass
  • ECOSE Technology — binder with no added formaldehyde
  • TwinTech — dual forming technique for a smooth finish on both sides
Key Features
  • BRANZ Appraised
  • TwinTech® — smooth finish on both sides
  • Wind-wash barrier — protection from air movement
  • Friction fit
Thermal Insulation
Recycled Content (Pre-Consumer)
Pre-Consumer Recycled Content
Scope of Use
  • FloorShield underfloor matt is suitable for most sub-floor applications including pole houses and open sub-floors
  • Friction fit installation

See BRANZ Appraisal 1050 for full information.

Limitations on Use
  • ecoinsulation glasswool must be stored under cover and in dry conditions. 
  • Heavy objects must not be stacked on the packs. The packs must be stored in an orientation that avoids excessive compression of the product
Statement of Building Code Compliance

In the opinion of BRANZ, ecoinsulation Underfloor Insulation if designed, used, installed and maintained in accordance with the statements and conditions of this Appraisal, will meet or contribute to meeting the following provisions of the NZBC:

  • Clause B2 DURABILITY: Performance B2.3.1(b) 15 years and B2.3.1(c) 5 years. ecoinsulation Underfloor Insulation meets this requirement
  • Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. ecoinsulation Underfloor Insulation meets this requirement and will not present a health hazard to people
  • Clause H1 ENERGY EFFICIENCY: Performance H1.3.1 (a) and H1.3.2 E. ecoinsulation Underfloor Insulation will contribute to meeting these requirements

See BRANZ Appraisal 1050 for full information.

Other Performance Attributes

ecoinsulation glasswool is made using up to 80% recycled glass and with ECOSE Technology, a sustainable, bio-based binder that contains no added formaldehyde.

Enhanced moisture resistance with DriTherm technology. ecoinsulation glasswool is silicone treated, which provides moisture resistance for 50 years.

BRANZ Appraised
BRANZ Appraised
Data Sheet: ecoinsulation glasswool FloorShield Thermal Underfloor

January 2024

BPIR - ecoinsulation glasswool
BRANZ Appraisal 1050

1050 [2019]

EUCEB Certification
Eurofins Certificate: Indoor Air Comfort Gold


GreenTag Certificate: Level A


Knauf Insulation provides a sustainable and high performance glasswool insulation with both thermal and acoustic properties for residential and commercial applications.

Product Enquiries

News from Knauf Insulation

A Single-Layer R7.0 Ceiling Batt Providing Simple and Cost-Effective H1 Compliance
How Ventilated Façade Innovation is Helping to Improve Building Sustainability and Energy Consumption Outcomes
How to Overcome the Challenges of Skillion Roof Installations While
 Remaining Energy-Efficient
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.