Exterior Units [ 20 articles ]
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...
How-To Perform a String Test
Therma-Tru explains how to perform a string test along the edge of the door. This test will help to determine...
Door Configurations
Single Door Units Single Door Inswing Outswing Single Door, 1 Sidelite on Left, Standard Mullpost Inswing Outswing Single Door, 1...
Outswing Width Measurements
The width of an exterior door unit is dependent on three things: configuration, unit construction, and door swing. The configuration...
Selling an Exterior Door Unit
Doors come in a variety of materials, each with unique properties and characteristics. Fiberglass doors are known for their durability,...