Florida Home Inspector Practice Test 2026 – Comprehensive Exam Prep

The maximum thickness for a solid wood door between an attached garage and a dwelling unit is 1 3/8 inches. This specification is based on building codes that are designed to enhance fire safety. Solid wood doors with this thickness provide an effective barrier against fire, smoke, and heat, which is crucial in a situation where a fire may start in the garage and spread into the living areas of the home.

Thicker doors, while potentially offering increased durability, might not be necessary or beneficial in this context. The standard thickness of 1 3/8 inches strikes a balance between fire protection and practicality for residential applications. Additionally, this thickness is consistent with the requirements for fire-rated doors, which often need to meet specific performance standards.

Thus, the adherence to these specifications helps to ensure that safety measures are effectively integrated into the design of the home, particularly in areas where there is a risk of fire exposure from attached structures like garages.