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Bicroelast - TECHNONICOL

Application areas

Waterproofing of roofs. Vaporproofing of roofs.

Description of material

Bicroelast is a waterproofing sheet produced by two-sided installation of a polymer-bitumen binder with special additives on a dense rot-proof base.


Bicroelast K is applied as the top layer of roof cladding. Coarse-grained dressing compound protects the material from sunlight.

Bicroelast P is used for vaporproofing and as the bottom layer of roof cladding. The polymer film is used as a protective layer.

Bicroelast can be used in all climatic zones (as determined in Construction Codes and Regulation (SNiP) 23-01-99*).

Method of application

The material is welded on a prepared surface using a gas burner. Material application: according to the Manual for Designing and Installation of Roofs Made of Bitumen Materials Manufactured by the TechnoNICOL Company.


Store vertically, in a place protected from direct sunlight.

Service life — up to 10 years

Types of material








Mass of 1 m2, kg, (±0.25 kg) 3,0  3,0  3,0  4,0  4,0  4,0 
Longitudinal/transverse breaking load, N, not less than  polyester 343/—  343/- 
fiberglass 294/–  800/900 
fiberglass mat 294/-  294/- 
Bend point on R=25 mm beam, °C, no more than -10  -10  -10  -10  -10  -10 
Heat endurance, °С, not less than 85  85  85  85  85  85 
Protective covering type  on the top film without logo  film without logo  film without logo  granulated material, slate  granulated material, slate  granulated material, slate 
on welded-on side film with logo  film with logo  film with logo  film with logo  film with logo  film with logo 
Length / width, m 15х1  15х1  15х1  10х1  10х1  10х1 

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