The Titanic set sail 100 years ago but its first voyage was to be its last-the ship sank after hitting an iceberg and more than 1,500 passengers lost their lives.
The door knobs and hardware are also more expensive as they come in an endless variety of styles and material types. The national average rate to have an exterior door repaired is $159 as oppose to an interior door which can cost $144 on average.
2 Labor cost to install interior door estimated based on 7 interior doors installation minimum excluding any materials expenses. Smaller job orders will be calculated at higher rate per door to install. 3 Exterior door prices estimated based on installation of a 36â x 80â prehung front door or 72â x 80â patio door. Bigger sizes and doors with sidelights will be priced at higher rates. 4 Cost to install one interior door will be estimated as a minimum charge for same day service and normally vary from $170 to $250. 5 Additional factors impacting the cost of a door to get installed. Preparation and extra work. On a new construction with exact rough opening additional fees for doors installation are not typical.