We meet many Southern California homeowners curious about flat roofs. What exactly is a flat roof, and what are the advantages and disadvantages of flat roofs for Southern California homes?
Our family owned company has 20 years of experience installing all types of flat roofs. We know the pros and cons of flat roofs for your Southern California home. Understanding more about the types of flat roofs will help you make the best choice when choosing a roofing contractor.
What are flat roofs?
The first thing to know is flat roofs are not actually flat. They have a slope of ¼ to ½ per foot to allow for water drainage.
There are 5 common types of flat roofs.
Flat roofs have long been seen on commercial buildings. They are becoming an increasingly popular option for residential roofs..
Each type of flat roof has different advantages.
Bur or Build Up Roofs:
BUR offers excellent protection against water, UV rays, and inclement weather.
BUR low-maintenance and costs very little to maintain throughout its lifetime.
It is Typically cheapest flat roofing option.
The gravel on BUR roofs is an excellent fire retardant
Modified Bitumen Roofing
Peel-and-stick material can be installed by homeowners
Its light-colored mineral surface reflects heat and cuts energy bills
Its price is in the middle of the pack
EPDM Rubber Roof
Relatively light yet highly resistant to scuffs and tears
Leaks are easy to patch
Spray Polyurethane Foam Roof
Thermoplastic membranes PVC or TPO
Flexible membrane withstands punctures, tears, and impact damage.
Resists dirt, debris, algae and bacteria
Easy to install
If you are considering a flat roofing system for your home, you want to be aware of the downsides also.
Disadvantages of Flat Roofing
Could flat roofing be a good option for your Southern California home? Contact GreenCal Construction today to discuss your options and get a free quote.