A Complete Guide to Commercial Roofing in Los Angeles

May 10, 2023

Your commercial building is due for an upgrade. You could save $1.88 per sq. foot by implementing energy-efficient building measures.

Included in this are improvements to the building envelope, such as the roof, and efficient heating, lighting and cooling systems.

This doesn’t mean that you have to install a brand new roof. You may also qualify for incentives if you improve your existing roof.

If you’re looking to save on this important upgrade, keep reading to learn everything you need about Commercial Roof Waterproofing in Los Angeles County.

Commercial Building Roofing Types

Commercial roofing is the most common type of roofing.

Built-up roofing

BUR is composed of layers of gravel and tar. The more layers, the stronger the roof.

It’s popular because it is easy to maintain and repair. It is fire- and crack resistant, waterproof and one of the most affordable roofing systems.

BUR’s biggest disadvantage is its weight. You may need to reinforce the roof structure if you decide to use built-up roofing.

Modified Bitumen

Modified bitumen roofing is a cost-effective solution. It costs slightly more than BUR but has the same benefits.

Modified bitumen also stands up to extreme temperature changes and is more durable for people to walk on.

The roof is available in strips that are ready to install. Modified bitumen roofing is ideal for low slope commercial roofs, just like built-up roofs.

Modified bitumen is more expensive than built-up roofs (although not by much). It also tends last longer. It is therefore more cost-effective in the long term.

TPO Roofing

The thermoplastic roofing membrane is an easy-to-maintain single-ply roll-on material. It is easy to install, resistant to chemicals, sunlight, oil, and fats, as well as fire and water.

TPO roofing is a good choice for warm climates because it reflects the sun’s rays and provides excellent insulation.

EPDM Roof Membrane

EPDM (Ethylene propylene diene monomer) membrane roofs are a durable and strong choice for cold climates. The black surface of the membrane helps keep your interior warm and melts snow.

It is also easy to install, without the use of electric tools. This results in low installation costs.

PVC Roofs

PVC is one of most expensive single-ply roof systems. However, it’s very durable and has a high break point.

These roofs can last for up to 30 year and withstand strong winds and extreme weather.

Fluid Applied Roofing Systems

The fluid-applied roofing system is a seamless commercial roof which seals your building from the elements. They can be installed over other roof types, saving time and money.

Installation is simple, and does not require expensive equipment, hot kettles, or seaming devices. Fluid-applied roofs come in two basic types:

Silicone Roof Coatings

The silicone roof coating creates a durable, protective layer that extends the life of your roof. These coatings are durable and can last for up to 30 year, helping you save money on roof repairs.

The coatings are low-odor, cure quickly and can be applied directly to single-ply roofs without the need for prior removal.

Installing silicone coatings can help restore and rejuvenate metal roofs. According to the Cool Roof Rating Council, silicone coatings are one type of cool-roof treatment. You may be eligible for financial incentives if you implement this innovation in your commercial building.

These roofs are energy efficient and will save you money on your electric bills.

Acrylic Roof Coatings

Another seamless option for cool roofs in LA is Elastomeric Acrylic Roof Coatings. This lightweight, durable material is able to withstand extreme weather conditions and sunlight.

You can restore the former beauty of your commercial roof by eradicating signs of wear and sealing any leaks. Acrylic roof coatings seal every part of your roof including vents, protrusions and flashings.

This product is free of VOCs, and it can last up to 20 Years.

Commercial Roofing Los Angeles: Important Factors

No matter what type of roofing you select for your commercial property, there are three factors that will affect its performance and durability. The three factors are:


The cost of your roof replacement or repair project may be affected by factors such as the complexity, location, and labor. Ask for three quotes in detail before choosing a contractor. Don’t just settle for the lowest price.

Compare the offers of each company before making a decision. You should always pay more to get expert services, a longer warranty, and higher-quality materials.

Take your time when choosing a roofing contractor who is reliable, qualified, experienced and-certified.


Request a roof inspection twice a year at the very least, in spring and autumn. This service includes checking for damage in areas that are vulnerable, such as:

  • Roof membranes
  • Decking
  • Vents
  • Flashback
  • Gutters and downspouts
  • Drainage pipes

You can identify problems early and prevent more severe damages. This will save you money. You’ll also need them to decide if your roof needs replacing or repairing.


You can avoid a premature inspection of your roof if you take action to correct any issues that are identified during the roof inspection.

To ensure that you can enjoy your roof’s benefits for as long as possible, it is essential to perform commercial roof repairs. A small tear in your roof can quickly turn into a large leak that will damage your equipment and your building’s interior.

Find a Roofer in Los Angeles

When choosing a roofing contractor for your commercial building, it’s important to take into consideration several factors. Consideration should be given to reputation, licensing and insurance, qualifications, expertise, cost, warranties, and experience.



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