April 2, 2022

Is fiber cement siding fire resistant?

Is fiber cement siding fire resistant? The short answer is yes. Please read our blog for information regarding the installation of your new siding.

When referring to the construction and renovation of a home, there are many factors that one has to consider. One of the considerations is the construction materials that should be used. Cement siding is a popular choice for building a home, but you will find very few people who install fiber cement siding.

What is fiber cement siding?

First of all, fiber cement siding is made from cement, recycled wood (recycled paper, in some cases), and other plant fibers.

It's made by heating a mixture of cement and fiber to extreme temperatures. The fiber and cement mixture is then poured into a mold and allowed to cool. The fiber cement siding is then ground to size and packaged.

Is fiber cement siding fire resistant?

When installed properly, fiber cement siding is fire resistant and can endure hours of heat without melting.  Because of this feature, it can slow a fire from spreading into a home, lessening extensive property damage, and allowing extra time for the fire department to arrive on the scene

With fiber cement siding installed correctly by a qualified contractor, it can withstand fire conditions for a while. However, it is important to have your siding installed by a James Hardie professional contractor, otherwise, your home may not receive the protection offered by fiber cement siding.

What is James Hardie Siding?

James Hardie Fiber Cement Siding in West Bloomfield, Michigan | Local siding Replacement by Grennan Construction

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Grennan Construction is 1 of 7 James Hardie Elite Preferred Contractors in the entire State of Michigan.

It’s your future. Build it with the best. James Hardie makes the world’s highest-performance fiber cement siding, trim, backer board and more.

Is fiber cement siding fire resistant?

On this, James Hardie fiber cement siding's website states: " It is important to understand that the performance of James Hardie Fiber Cement Siding is dependent on its installation in compliance with all of the installation and fastening requirements of the James Hardie Fiber Cement Siding Installation Guide ."

James Hardie's Installation Guide states: "The siding must be installed over a water-resistive barrier (WRB). If not installed or properly maintained, fiber cement siding may not be effective in fire exposure.

If you're a keen follower of what's happening in the construction industry, you may have noted the growing demand for James Hardie fiber cement siding. This kind of siding is made by applying several layers of cement onto a wood or polystyrene backing and then taking it on to the next process. The final product looks perfect, has excellent weather resistance, and can also resist fire. With the right kind of installation, it's also quite durable.

Recently, this type of siding has received significant attention from many homeowners. You might be wondering why the increase in demand and use of this siding.

Residential siding job with new James Hardie Fiber Cement Siding and Gutters. Blue farmhouse in Milford, Michigan.

Residential siding job with new James Hardie Fiber Cement Siding and Gutters. Blue farmhouse in Milford, Michigan Completed by Grennan Construction.

Here are the top reasons why so many consumers now purchase James Hardie siding for their homes.

 James Hardie siding is an energy-efficient product

The fiber cement cladding that forms the siding is 100 percent recyclable and has an R-value of 6.4, making it one of the market's most energy-efficient siding products. Therefore, a home with this type of siding is an excellent investment for consumers who want to go green, conserve energy, and lower their monthly bills.

James Hardie siding is customizable

The fiber cement siding is customized to your taste and home style preferences. There are several colors to choose from.

James Hardie fiber cement siding comes in several colors and styles, so whether you're looking for a traditional or contemporary look, you'll find the right solutions.

James Hardie siding is a high quality product

James Hardie makes the top-of-the-line siding for both residential and commercial properties. Their products lead the line and even come with a lifetime warranty. If something fails, James Hardie will replace it for free.

James Hardie siding is affordable

James Hardie siding is inexpensive but is not cheap. It can hold up against many different weather conditions, including high winds, heavy rains, tornadoes, and severe heat.

It can also be applied to various house exteriors, including stucco, stone, board, and batten. It is important to note that the different weather types will require different types of treatments and chemicals.

James Hardie siding requires little maintenance

One of the good things about James Hardie fiber cement siding is that it requires very little maintenance. Regular washing and painting every few years will keep it looking new for a very long time.

When it turns dirty, you can clean it with soap and water to remove the dirt and grime, and it will look new again.

James Hardie siding offers easy installation and repairs

James Hardie Fiber Cement Siding comes with a factory-applied primer and is ready for paint and installation. All you've to do is screw it or nail it in place.

If you ever need to repair your siding, it's also easy to do it yourself. You don't need any special tools or certifications. Most repairs can be done using a simple putty knife or even a butter knife.

James Hardie siding is long-lasting

The material is made of fiber and cement, so it’s long-lasting and will withstand temperature fluctuations and moisture. Therefore, it’s a more economical solution than vinyl siding, which must be replaced every ten to fifteen years.

Fiber cement is more robust than wood when it comes to the weather. This product will not rot, warp, or split, and it’s easier to install than a product made of wood. It’s also more durable than aluminum.

Unlike wood, fiber cement siding can withstand most climate conditions. Fiber cement siding will be an excellent investment if you live in a region with extreme cold and hot temperatures.

James Hardie siding is lightweight

 Many homeowners find that this siding is surprisingly lightweight. This can be a big benefit when installing it on smaller homes when you don’t want to add weight to the structure. It makes it easier to handle during the installation process and can save you time and effort.

James Hardie Offers a Superb Warranty

The fact that it lasts longer requires minor repairs, the James Hardie fiber cement siding products offer a lifetime warranty when installed by a qualified siding contractor.

James Hardie has more than 70 years of experience in manufacturing fiber-cement siding and is a trusted name offering top-quality products that can stand up to whatever the elements throw at them.

The company has been proud to offer replacement parts for their products until the warranty expires.

Let Us Give You A FREE Estimate!

We can send you a quote for the cost of James Hardie Fiber Cement Siding for your home.

James Hardie siding is the leading siding product offered today

The use of fiber cement siding in today's constructions is an economical, eco-friendly, and durable option. The siding can be installed in both new home construction and renovation. It is an excellent alternative to other siding products, but it also plays an integral part in the maintenance of the house's overall look. Choosing the right fiber cement siding manufacturer is essential to get the siding that meets the needs and satisfies the expectations.

Great Return On Investment

When it comes to home projects, it's advisable to consider the return on investment. The James Hardie fiber cement siding is touted to be an excellent investment because it has a 50-year warranty, making sure it stays in perfect condition for at least half a century. This is important because the average life span is only 15 to 20 years for the vinyl and aluminum sidings. This siding can also be used for commercial buildings, making a great impression.

If you want to make the best out of your home improvement investment, the Hardie fiber cement siding is a perfect option for you.

Working with Grennan construction:

Fiber cement sidings have become the most durable and cost-effective choice for interior and exterior applications today. The James Hardie fiber cement siding, especially, is highly recommended for homeowners, builders, architects, and general contractors in need of a more luxurious look for their projects. 

What is Fiber Cement Siding?

If you have any additional questions about James Hardie Fiber Cement Siding, please call our office to speak with one of our James Hardie experts.

Located in Oakland County, Michigan, Grennan construction offers loans for siding replacement in the Oakland County area. 

Our Process:

  • We will survey your property and provide you with an estimate of the cost to replace your siding. The estimate is offered free of charge. 
  • Then, we present a plan for your siding replacement project.
  • Next, you can submit your application for new siding financing. If your request is approved, the company provides you with a loan that you will pay back monthly. Our financing is offered through Synchrony bank, starting from as low as $200 monthly installments. 
  • We install your new siding!

Don't let a small budget keep you from getting what you want or need.


Pay off your roof with Synchrony Bank Loan

Don't let a small budget keep you from getting what you want or need.

Synchrony provides you with promotional financing options for major
purchases, offering you a budget-friendly way to help expand your purchasing power
and convenience with:

  • A simple application process and fast credit decision
  • Unsecured, revolving credit lines
  • An open credit limit for future purchases
  • Promotional financing options
  • Convenient monthly payment options
  • Online account management
Before photo of outdated brown and white home in Canton Michigan.


Exterior remodeling project including James Hardie siding. Canton, Michigan.


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If you need new siding, the Oakland County siding professionals at Grennan Construction can help. Our estimates are always free, and we offer to finance through Synchrony for those who qualify.


1. Call Us To Schedule Your Free Estimate 248-462-0224
2. Review your Estimate and Schedule your project
3. Enjoys the beauty and security of your new Siding

Do you still have questions about financing your new siding? If so, contact us to discuss your options.

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