Replace a Sliding Patio Door
A new sliding patio door with insulated glass and weather-tight weather-stripping is a worthwhile upgrade for any house. A handy homeowner with carpentry experience can replace an old unit with a new one provided the new unit is the same dimensions so the opening remains the same size.A contractor will charge about $1,610 to replace a good quality 6-foot-wide vinyl patio door with a lock and screen. You can do it for about $650, the cost of the replacement door. Expect to spend a full day's work on this job, and more if the threshold is worn and needs to be replaced.

The job involves basic carpentry skills like removing the old trim, door and jamb and then installing the new unit. It is important that the new door be installed square and plumb so work slowly and follow the manufacturer's directions.Pro vs DIY Cost and Time

This project can be done with hand tools, but an electric drill and circular saw will get the job done quicker.The door is heavy so plan to have a helper moving the old and new units.

Tip: Since you're opening a large gap in the side of your house, weather is a concern. Choose a warm day when no rain is predicted.

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