laboratory testing of the reflectance properties of roofing materials
products 69 - 81 "exterior aesthetics" (rsi 1993). figure 2 depicts small 1 x 2" sections of several of the shingles. the test results for the shingle samples are provided in table 1. table 1. reflectance and emittance properties of asphalt shingles. shingle color. reflectances %. far infrared. emittance. solar. uv. vis. nir. aspen gray. weathered wood. autumn brown. surf green. beachwood sand. ocean gray. onyx black. desert tan. island brown. shasta white. generic grey.