Asphalt shingles are awful in terms of insulation. They absorb heat in the summer and bleed heat in the winter. Membrane roofs are better for both. Asphalt s

Asphalt shingles are awful in terms of insulation. They absorb heat in the summer and bleed heat in the winter. Membrane roofs are better for both. Asphalt shingles are such an out-dated technology, people should really try to avoid them on new builds. They don't last long, the thermal characteristics are bad, and they're prone to leaks.