Howe Lumber Company
555 Main Street
East Brookfield, MA 01515
(508)885-5396
Monday - Friday 7:00am-5:00pm
Saturday 7:30am - 3:00pm
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What size door do I need?

The size of the door you need depends somewhat heavily upon the manufacturer's specifications, as well as the situation you are working with.

If you are adding a door, then you need to figure out what size your rough opening is. If you are replacing a door, then measuring the door itself is the best way to determine what size you need.

There are a few common sizes for heights and widths of doors. These sizes have been in use for decades now. For older homes, and by older I mean homes that were built more than 50 years ago, these sizes may not work perfectly, which leaves you with a search for a custom door.

The most common door heights are 6' 6" ( 78" ) and 6' 8" ( 80" ).
The most common door widths run along 2" increments. The most popluar of these are 2'6", 2'8", and 3'0".
It is not unheard of to have doors ranging from 1' wide up to 3' wide.
If the opening is any wider than that you will probably see double doors of some sort.

There are companies that can make custome sized doors to fit odd-sized openings. This is not generally the most cost-effective option, though there are cases where it is the only option. If this is the route you wish to, or must take, then be sure to allow time for the door to be made - in some cases this can mean 8 weeks or more.
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Howe Lumber Company
555 Main Street
East Brookfield MA 01515 
(508)885-5396  (508)867-3232
Monday - Friday 7:00am-5:00pm
Saturday 7:30am - 3:00pm