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Solar Panel installation vs. Solar Shingles. The major difference between solar roof shingles and solar panels is in the installation process. Installers usually need to bolt solar panels onto the roof, which requires drilling through the roof and can violate its warranty.
From: www.reliableremodeler.com. Fiberglass composite shingles are actually a type of asphalt shingle. A fiberglass shingle has an outer layer composed of an asphalt composition, and the underneath part of the shingle, which is against the roofing felt on the roof sheathing, is made of a fiberglass matting.heir main difference is their weight. Fiberglass shingle is a little lighter than the asphalt shingle and it matters a lot to your roofing contractor. Heavy shingle is harder to install because of the its weight. Fiberglass shingles are also fire retardant than asphalt shingles.