Advances in Civil Engineering / 2018 / Article / Tab 2 / Research Article
The Comprehensive Comparison of Thermal and Physical-Mechanical Properties of the Recycled Rubber and Plastic Roofing Tiles versus Roofing Tiles Made with Different Traditional Materials Table 2 Technical properties of constructive elements for house cover.
Properties Units Types of constructive elements for house cover Zinc sheets Concrete roofing tiles Ceramic roofing tiles CEVE roofing tiles made from recycled materials Dimensions mm Length: 12,800 Length: 420 Length: 423 Length: 408 Width: 1086 Width: 331 Width: 248 Width: 230 Thickness on average: 1 Thickness on average: 20 Thickness on average: 15 Thickness on average: 15 Mass kg 91.0 4.80 2.68 1.29 Specific weight (kg/m3 ) 7144 2200 1650 925 Weight per m2 (kg/m2 ) 6.46 48.00 37.52 19.35 Thermal conductivity (W/m2 ·°C) 56.00 1.20 0.65 0.33 Permeability to air (10−16 m2 ) 0 3.1 ≥ kT ≤ 6.8 0.054 ≥ kT ≤ 3.1 kT = 0.001 Depending on the surface finish Depending on the surface finish Permeability to water vapor Satisfactory Satisfactory Satisfactory Satisfactory Hard impact resistance Satisfactory Satisfactory Nonsatisfactory Satisfactory Flexural resistance Satisfactory Satisfactory Satisfactory Satisfactory Resistance to freezing Satisfactory Satisfactory Satisfactory Satisfactory Water absorption % 0 3.5 10 0.3 Resistance to aging Satisfactory Satisfactory Satisfactory Satisfactory
