TN-ROOF Combi Plus

A non-walkable roof system with combined base made of profiled steel sheeting and sheet-backing of plate materials with a roof cladding of polymer membrane and with thermal insulation of extruded polystyrene foam.
  • Fast assembly
  • A cost-effective system
  • High endurance of the foundation layer


The sheet-backing coat is made of cement-asbestos boards or cement bonded particle board, at least 12 mm thick, laid in two layers with spacing of seams and the fastening of one layer to the other, which provides the system with advanced fire resistance.

The top layer of the thermal insulation is a heat insulating material based on TECHNONICOL CARBON PROF 300 extruded foam polystyrene. A separation layer of fiberglass weighing at least 100 g/m2 needs to be placed between the PVC membrane and extruded polystyrene foam. The roof cladding is made of a LOGICROOF polymer membrane, which has a combustibility group rating of G1/G2, making it possible to apply the TN-ROOF Combi Plus system without any restrictions to the area of the roof (up to 10,000 m2 without fire prevention bafflers).

The system has fire hazard class K0 (15) according to GOST 30403-2012, which makes it possible to use it for atticless roofs in buildings of II-V degree of fire resistance with any class of building fire hazard. The system also has an RE 15 fire resistance limit according to Federal Law No. 123.

Area of application:

The TN-ROOF Combi Plus system is used for construction of roofs on public and industrial buildings with high loads arising during the servicing of the roof (including snow removal), as well as during inspections and maintenance of equipment placed on the roof.

Polymer membranes

Other solutions