What is the typical service life of a wooden door?

With normal use and proper maintenance:

1.Solid wood door: Longer service life, generally 15 to 30 years, and even longer with good care.

2.Solid wood composite door: Good stability, usually 10 to 20 years.

3.Paint-free door / PVC door: Relatively shorter, generally about 5 to 10 years.

Main factors affecting service life: ambient humidity, sun exposure, usage frequency, moisture resistance, and hardware quality.