Q. My old wood front door leaks air and requires maintenance. I might switch to a steel door for low maintenance and security, but I was concerned about its efficiency. Doesn't steel transmit heat? A.
Eddie, from Newcastle-under-Lyme, Staffordshire, visited Latham's Security Doorsets, which is based in Tividale, Oldbury, where he was invited to destroy their doors to prove how durable they are.
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