timberline_armor_shield_ii_weathered_wood. maine asphalt roofing repair. royal sovereign – charcoal. gaf house gallery gaf asphalt shingles . shingles have been used as a decorative feature on a log cabin for many years roof shingles are a type of roof covering used on log cabins and summerhouses . roofing manufacturers soon learned that coating the asphalt roofing material with granules extended the life of the product. fiberglass vs asphalt shingles.