Exterior Units [ 20 articles ]
How to Measure for a New Door Unit
A new door unit provides a great way to freshen up the look of your home. Proper measuring is important...
How-To Install a Replacement Door
Therma-Tru provides a comprehensive tutorial on how to replace a door unit. The tutorial displays how to remove the old...
Masonry Opening (MO)
Masonry Opening Width The MO width is the measurement of the opening from left masonry to right masonry. When determining...
Therma-Tru Installation for New Construction
Therma-Tru provides a thorough tutorial showcasing how to install a door unit on a newly constructed homes. The first section...
Rough Opening (RO)
Rough Opening Width The RO width is the measurement of the opening from the left stud to right stud. When...