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The Boston Globe

Lifestyle

Handyman on Call

Can a do-it-yourselfer repair a threshold — or replace the entire door, frame, and threshold?

Q. The threshold on my back door is splitting. I’d like to repair it, or replace the entire door, frame, and threshold. I can’t afford to have it done. How hard is it to install a prehung door? What kind of door should I get, and where? The wood door has a half glass window in the top.

DEW, in Hotton’s chat room

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