KORE Lock is an insulation system that provides consistent, high thermal performance for both cold and warm pitched roof applications.

This solution can easily be compressed between the rafters for quick installation. No specialised tools are required when cutting on-site.

KORE Lock Pitched Roof Insulation System
  • Designed to Last

    It is made from KORE’s high quality EPS. This means the product won’t degrade over time and will last the lifetime of the building. Plus, it’s unique design allows for easy installation.

  • High Thermal Performance

    This system uses KORE Warmsark and KORE Thermal Boards to stop the heat and thermal loss through the roof, providing high thermal performance at a cost-optimal level.

  • Compliance with Part L 2019

    KORE Lock easily meets and exceeds Ireland’s Building Regulations, including nZEB. External insulation is the ideal solution for Passive House construction and other low energy building methods.

Fully certified

  • Certified under NSAI Irish Agrement Certificate No. 05/0235
  • Manufactured in an ISO 9001:2015 QMS certified facility to IS EN 13163:2012+A2:2016
  • Declaration of Performance Certificates available
KORE Lock for Pitched Roof Insulation

Meet nZEB with KORE Lock

KORE Lock has been designed to meet and exceed the U-value requirements of Part L 2019. The product will meet nZEB and other low energy building methods, like Passive House Certification.

 

Cold Roof Solution

KORE Lock

Thickness

U-Value

KORE Lock EPS70 Silver + KORE Thermal Board EPS70 Silver

170mm + 50mm

0.16W/m2K

 

Warm Roof Solution

KORE Lock

Thickness

U-Value

KORE Lock EPS70 Silver + KORE Warmsark EPS100 Silver

170mm + 50mm

0.16W/m2K

KORE Lock Technical Specifications

KORE Lock can easily satisfy the requirements of the Irish Building Regulations as outlined in Part L – Conservation of Fuel and Energy – Dwellings (2011) and Part L – Conservation of Fuel and Energy – Buildings other than Dwellings (2008). The following standards should be consulted regarding the construction of insulation at rafter level:

  • B.S. 5250:2002 Code of practice for control of condensation in buildings
  • BRE GBG37 Insulating roofs at rafter level: sarking insulation
  • BS 9250:2007 Code of practice for design of airtightness of ceilings in pitched roofs
  • BRE BR262 Thermal insulation: avoiding risks 2nd edition
  • IS ICP 2:2002 Code of practice for slating and tiling

For retrofit installations consult NSAI S.R. 54:2014 Code of practice for the energy efficient retrofit of dwellings

KORE Lock Pitched Roof Insulation – Insulation Between & Under Rafters (No Sarking Board)

KORE Lock EPS70 Silver KORE Thermal Board EPS70 Silver U-Value W/m2K
100 100 0.16
125 100 0.15
150 100 0.13
175 100 0.12
200 100 0.11

 

KORE Lock Pitched Roof Insulation – Insulation Between and Over Rafters (With Sarking Board)

KORE Lock EPS70 Silver KORE Warmsark EPS100 Silver U-Value W/m2K
100 100 0.16
125 100 0.15
150 100 0.13
175 100 0.12
200 100 0.11