System features

System features

Technical characteristics of K-KONTROL® panels

The basic properties of individual panel types are specified in the tables below.

Physical properties of K-KONTROL® panels

K-KONTROL® panel T   120 170 210 230 270 330
Quantity   Unit Value
OSB shell thickness TO mm 2 x 15
Thickness of EPS core TE mm 90 140 180 200 240 300
Weight m kg/m2 22.0 22.9 23.6 24.0 24.7 25.8
Thermal resistance R m2.K/W 2.486 3.736 4.736 5.236 6.236 7,736
Heat transfer coefficient U W/m2.K 0.377 0.256 0.204 0.185 0.156 0.126
Diffusion resistance Rd x 10-9 m/s 76.81 90.09 100.71 106.02 116.65 132.59

Physical properties of basic components of K-KONTROL® panels

Quantity   Unit OSB shell PU adhesive EPS core
Specific weight r kg/m3 680 1200 20
Specific heat capacity c J/kg.K 800 600 1270
Thermal conductivity coefficient l W/m.K 0.130 0.200 0.040
Diffusion resistance factor m - 250 2460 50

Fire resistance of structures made from the K-KONTROL® system

Tested structure Type of structure Resistance Protocol
Walls made of K-KONTROL® panels Load-bearing internal construction without cladding **) REI 15 TZÚS ref. no. PKO-05-169/AO 204
Load-bearing internal structure with cladding **) REI 30; EI 45  
Load-bearing perimeter structure with cladding **) Interior side REW 45  
Outer side REI 30  
Ceiling made of K-KONTROL® panels Load-bearing ceiling structure with cladding **) REI 30 TZÚS ref. no. PKO-05-170/AO 209
Roof made of panels
K-KONTROL®
Load-bearing roof structure with cladding **) REI 30  

**) Detailed information on the fire resistance and composition of the tested structures is provided in the fire resistance reports, which will be sent upon request.

Airborne sound insulation of structures made from the K-KONTROL® system

Tested structure Structure type Thickness Weighted sound insulation
Unclad load-bearing wall K-KONTROL® K-KONTROL® panel 170 170 mm Rw 30 dB
Interior clad wall K-KONTROL® 12.5 mm plasterboard 195 mm Rw 37 dB
K-KONTROL® panel 170
12.5 mm plasterboard
K-KONTROL® double-clad interior wall 2x 12.5 mm plasterboard 220 mm Rw 41 dB
K-KONTROL® panel 170
2x 12.5 mm plasterboard
K-KONTROL® exterior perimeter wall 12.5 mm plasterboard 238 mm Rw 38 dB
K-KONTROL® panel 170
EPS ETICS 50 mm facade insulation system

Detailed information on the airborne sound insulation of building structures made from the K-KONTROL® system is provided in test report No. 215/04 CSI in accordance with ČSN EN ISO 140-3, which will be provided upon request.