Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? Maybe. Most codes now allow no more than two layers of roofing before requiring a complete tear-off. So, if ...

In a nor’easter, your home’s first line of defense is its roof. When it’s time to replace the asphalt shingles, can you save money and install new ones right over the old? John Lojek, commissioner of ...