40 Hour Property and Building Inspection Practice Test

Disable ads (and more) with a membership for a one time $4.99 payment

Study for the 40 Hour Property and Building Inspection Test. Use flashcards and multiple choice questions, each with hints and explanations. Prepare effectively!

Practice this question and more.


What type of roofing material is TPO?

  1. Rubber-based

  2. Plastic-based

  3. Fiberglass-based

  4. Tar-based

The correct answer is: Plastic-based

TPO, which stands for Thermoplastic Olefin, is classified as a plastic-based roofing material. It is commonly used in commercial roofing applications due to its durability, energy efficiency, and cost-effectiveness. TPO is composed of a blend of polypropylene and ethylene-propylene rubber polymer, giving it a unique combination of properties that make it ideal for reflecting sunlight and resisting ultraviolet (UV) rays. Its plastic-like characteristics allow TPO membranes to be heat-welded at the seams, creating a monolithic roofing surface that is less prone to leaks and has a long lifespan. This makes TPO roofing a popular choice for flat and low-slope roofs in both new constructions and roof replacements. Understanding the material type helps in assessing appropriate usage scenarios, maintenance requirements, and performance characteristics, which are crucial data points for property and building inspections.