Comparative Thermal Analysis of Different Cool Roof Materials for Minimizing Building Energy Consumption

Table 3

Specific technical details of different cool roof coatings.

S. number	Name of the coating	Technical details as per British Standard European Norm (BS EN) and American Standard for Testing and Materials (ASTM)
1	Apex Ultima Acrylic Emulsion (Asian Paints) “c1”	Volume solid: 60 ± 2%; Specific gravity: 1.70 ± 0.05; Theoretical spreading: 2.4–1.2 m^2/L; Recommended dry film thickness: 250–500 microns/coat; Recommended wet film thickness: 415–830 microns/coat
2	Shaktiman Exterior Acrylic Emulsion “c2”	Supply viscosity: 8–11 poise @ 30°C; Coverage: 90–110 ft^2/L per coat
3	Dr. Fixit Head Shield “c3”	Tensile strength (/): 42/48 N/mm^2; Tear resistance (/): 340/310 N; Hydrostatic pressure: >50 m (5 bar); Moisture vapour transmission: 0.06 (G/m^2/24 hours); Chemical resistance: pH 2.0–11.5; Thermal conductivity: 0.029 W/mK; Total solar energy rejected: 94%; Total heat gain: 30 Btu/hr/ft^2