Starting your own business that manufactures, retails, and installs custom-made interior French doors is an excellent ... Gold-plated or solid brass hardware, stained glass or sandblasted glass ...

Read about different French door types in our guide, which breaks down interior and exterior French ... much greater strength-to-weight ratio than wood.

Solid-core doors feel and look like solid wood doors that yield similar levels of soundproofing and durability, yet have a wood fiber core. Interior doors exist in residential, commercial and ...