Preparation of surfaces coated with waterproofing product(s): • Detached torch-down roofing material: Remove them using a wide roofing scraper and roofing torch or other mechanical means. • Well adhered existing torch-down roofing materials, only require a first coat of DS-220 diluted 5% with water and a second coat undiluted applied crosswise. • Detached or deteriorated elastomeric waterproofers, must be removed using a wide roofing scraper or other mechanical means. REPORT OF REFLECTIVITY MEASUREMENT, EMISSIVITY COEFFICIENT & THERMAL CONSTANTS OF THE UNIVERSITY OF ATHENS, PHYSICS DEPARTMENT Specimen Reflectivity in solar radiation SR(%) Emissivity coefficient in the infrared radiation e (±0.02) Reflectance index to solar radiation SRI DUROSTICK DS-220 89 0.83 112 Specimen Thermal conductivity (W/mK) Thermal dissipation (mm2/s) Specific Thermal capacity (ΜJ/m3K) DUROSTICK DS-220 0.535 0.341 1.570 TOOLS FOR THE REMOVAL OF DETACHED ELASTOMERIC WATERPROOFING PRODUCTS without traffic: 0.8 N/mm²): • Impact resistance per EN ISO 6272-1: 10Nm (class II) • Application temperature: From + 8°C up to +30°C • Temperature resistance: From -30°C to +90°C
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