KORE Inverted Flat Roof is a high performance profiled insulation board (EPS200 & 300) that can be used in conjunction with a flat roof system.

Available in a range of thicknesses with a very high compressive strength with low water absorption properties.

Perfect for use on inverted flat roofs or zero-pitched untrafficked roofs, balconies, and terraced roofs subject to pedestrian access only, with a gravel ballast or paved finish on a suitably designed timber, concrete or metal structural deck and appropriate fully supported waterproofing system.

Ideal for use with a green roof finish.

  • Meet & Exceed Building Regulations

    KORE Flat Roof can achieve a U-value of 0.19W/m2K with 160mm of KORE EPS200 White

  • Completely Water Resistant

    KORE Flat Roof manufactured with EPS offers low water absorption properties, protecting against freezing

  • Suitable for a Wide Range of Flat Roof Applications

    KORE Flat Roof can be used in a variety of applications including inverted flat roofs, standard flat roofs, warm flat roofs, tapered roofs, profiled sheet roofing and cut to fall tapered roof insulation

  • Sustainable & Easy to Work With

    KORE EPS is suitable for residential and commercial applications, offers a third-party verified EPD and is lightweight and quick and easy to install

TECHNICAL INFORMATION

U-values – Thermal resistance – Product performance – Certificates

Fully certified

  • Manufactured to IS EN 13163:2012+A2:2016 and in an ISO 9001:2015 QMS certified facility
  • Full Declaration of Performance Certificates available
  • Third-party Environmental Product Declaration certified by IGBC and EPD Ireland

Meet KORE Flat Roof

Physical Properties of KORE EPS Inverted Roof Boards

Grade

EPS200

EPS300

Reaction to fire

Class E

Class E

Thermal conductivity

0.033

0.032

Minimum compressive strength at 10% compression (kPa)

CS (10) 200

CS (10) 300

Minimum bending strength

BS250

BS450

Water vapour diffusion factor

40 to 100

40 to 100

Long term water absorption by partial immersion

WL(P)i 0.2kg/m²

WL(P)i 0.1kg/m²

Density

30

40

Squareness

5mm difference between diagonals

5mm difference between diagonals

Dimensions of KORE EPS Inverted Flat Roof Boards

Board Type

Type 1

Type 2

Surface Length (mm)

Standard 1200mm (can be cut to other sizes up to 1800mm)

Standard 1200mm

Surface Width (mm)

Standard 1200mm

Standard 1200mm

Full Board Size ( L x W)

1200mm x 1220mm

1220mm x 1220mm

Thicknesses (mm)

100, 150, 200, 250, 300 (other thicknesses available upon request)

100, 150, 200, 250, 300 (other thicknesses available upon request)

Lap Joined Edge

20mm

20mm

Board Type 1 – Shiplapped 2 sides

Board Type 2 – Shiplapped 4 sides