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Composite roofing elements consisting of a layer of graphite-added EPS insulation board, lined with a bituminous membrane

COPERTHERM EPS BLACK is a range of roofing elements in rolls or panels that combine EPS boards, either flat of scored, and a membrane of polymer modified bitumen. The insulation layer is of graphite-added and self-extinguishing expanded polystyrene with a superior insulating performance compared to standard sintered polystyrene: it has a silvery black colour, and contains reflective graphite particles.

The graphite particles absorb and reflect radiant heat, enhancing the thermal insulation performance even of low density boards, whereas the membrane liner is a heat-welded plastomer- modified membrane rich in co-polymers and poly-olefins that ensure a perfect bond to the insulation layer as well of all joints.

The COPERTHERM EPS BLACK range complies with the Italian requirements and of Ministerial Decree 11/10/2017 (CAM - Criteri Ambientali Minimi) about the content of recovered or recycled material, exclusively for the following versions available only on request:

Features and versions

Thermal-insulating layer

Expanded polystyrene (EPS) additivated with graphite.
Available thicknesses (mm): 30, 40, 50, 60, 80, 100, 120, 140
For thicknesses greater than 60 mm, COPERTHERM EPS BLACK is available only in board version.

EN 13163 Reference standard
Version Resistance to compression (kPa) Thermal conductivity (λᴅ)
Copertherm EPS Black 80 ≥ 80 0,030
Copertherm EPS Black 100 ≥ 100 0,031
Copertherm EPS Black 120 ≥ 120 0,031
Copertherm EPS Black 150 ≥ 150 0,030

Membrane liner

Plastomer-modified waterproofing membranes rich in co-polymers and poly-olefins that ensure a perfect bond to the insulation layer as well of all joints.

Product range Norms Cold flexibility Reinforcement type Upper face finish Available versions
SINTOGLASS EN 13707 -5 °C Glass fibre PE Film 2,0 - 3,0 - 4,0 kg/m²
SINTOPOL EN 13707 -5 °C Stabilized composite polyester PE Film 3,0 - 4,0 kg/m²
SINTOPOL MINERAL EN 13859-1 -5 °C Stabilized composite polyester Self-protecting grey slate flakes 3,5 - 4,0 - 4,5 kg/m²
Copertherm products contribute to achieving LEED® credits.
Non-hazardous waste material
Used-oil free
Chlorine free
Asbestos free
Tar free
Oxidized-bitumen free
Intended use
Flat Roofs
Pitched Roofs
Vaulted Roofs
Industrial Roofs

Recommended destinations of use

COPERTHERM EPS BLACK is recommended for use in all applications where a combination of thermal insulation and waterproofing is required: it allows to quickly insulate and waterproof various types of roof constructions including roofs with a complex geometric design.

This factory made combination of polymer-bitumen membrane and heat-sensitive thermal insulation allows for safe, easy and cost effective installation works.
MINERAL versions COPERTHERM EPS BLACK have membranes that are self-protected with slate granules and are most suitable for use under slates or tiles and on discontinuous roofs in general.