A hardboard door can be either solid or hollow core with hardboard panels, or a solid-core door with a hardboard core and wood veneer panels.
High-Density Fiberboard (HDF), Isorel, Masonite
A hardboard door costs an average of $178, and requires 4 hours of installation.
Costs vary greatly by region (and even by zip code). To get free estimates from local contractors, please indicate yours.