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Home / Blog / The Weather Resistance of James Hardie Siding in Harsh Conditions

The Weather Resistance of James Hardie Siding in Harsh Conditions

December 13, 2024
Updated on February 25, 2025

Justin Porter

James Hardie siding weather resistance.

Hardie® fiber cement siding is built to withstand Pennsylvania’s climate—including severe weather—from cold winters to humid summers. James Hardie offers durable, low-maintenance siding to protect your home. 

These durable products are brilliantly engineered and meticulously tested, which is why they deliver when harsh weather hits. They are warrantied not to split, crack, or warp as a result of water, heat, or freezing temperatures. 

Read on to discover why homeowners rest at ease in the midst of a storm knowing their house is safeguarded by Hardie siding and trim. 

Table of Contents

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  • Hardie Siding—Your Home’s Reliable Defense Against the Storm
  • James Hardie Stands Behind Their Products
  • Safeguard Your Home from Damage with Durable Hardie Fiber Cement Siding Installation 

Hardie Siding—Your Home’s Reliable Defense Against the Storm

Your home’s first line of defense against severe weather faces tough challenges—and Hardie siding delivers. This siding and trim combination stands up to the unpredictable weather that Pennsylvania homeowners are familiar with. It withstands strong winds, extreme heat, UVB rays, freezing temperatures, and more. You’ll love its: 

Resilient Makeup 

Hardie siding stands up to harsh weather because of its durable makeup. The perfect combination of Portland cement, silica sand, cellulose fibers, and water—Hardie’s proprietary blend—keeps moisture intrusion at bay and stands up to high winds with ease. Its resistance to extreme weather makes it one of the most popular siding materials in America, covering over 10,000,000 homes. This strong siding material lasts up to 50 years when it is installed correctly and maintained well over the years. 

Engineered for Climate®

After studying the long-term impact of weather in various regions of the country, James Hardie engineered the HardieZone® System so you get the perfect siding material designed for your area’s distinct weather patterns. The HZ5® products are ideal for Pennsylvania’s freezing temperatures, extreme seasonal temperature variations, snow, and ice. Its surface is engineered for higher performance, providing superior paint adhesion and moisture resistance. A drip edge was added to this siding product to provide improved water management. That way, you don’t just get a home exterior that performs well in chilly winter weather. You get an exterior engineered for that. FEMA has certified Hardie siding as flood resistant, explaining it is highly resistant to floodwater damage. 

Protection from Fire

Hardie offers the highest fire rating available—a Class A fire rating. Due to its composition, it is non-combustible and won’t fuel a fire like other siding materials (such as wood). Hardie siding won’t contribute to the spread of flames—protecting you, your loved ones, and your property. 

Wind Resistance

Hardie siding and trim are more resilient than other siding materials. Its dense makeup helps it stand up to high winds, protecting your home from damage. Unlike vinyl siding, Hardie won’t lift or curl as a result of high winds. 

Impact Resistance

While Masonite siding and vinyl siding are easily damaged by the impact of hail or windblown debris, Hardie siding’s durable makeup makes it impact resistant. This tough siding won’t crack or dent from the force of impacts, making it an excellent choice for Pennsylvania homeowners. 

Moisture Resistance

Since water intrusion can be a costly invader causing rot, mold, mildew, and deterioration, Hardie siding is engineered to stand up to moisture. Hardie™ Weather Barrier products are placed under your siding. They deliver a balance of water resistance and breathability to your home. Weather Barrier products will keep your house drier while laying the foundation for Hardie’s high performance, regardless of which style of Hardie siding you choose. Hardie’s Weather Barrier housewrap defends your home from moisture intrusion, saving you the time, money, and hassles that water infiltration creates.

ColorPlus® Technology

If wood siding isn’t sealed well, it will incur costly moisture damage. With the harsh effects of the sun’s UV rays, exterior paint on most siding materials tends to fade, costing homeowners an abundance of time re-painting their exterior every 6-8 years. 

James Hardie created ColorPlus Technology that will last for 15 years without the need for repainting—which is much longer than other exterior paint lasts. You get a durable finish applied in a controlled factory setting (which eliminates debris and optimizes adhesion). Between coats, Hardie cures the finish in a controlled environment so it resists chipping, peeling, and cracking. ColorPlus provides exceptional UV resistance so your siding resists fading and looks gorgeous for years to come. 

James Hardie Stands Behind Their Products

An Outstanding Warranty Gives You Peace of Mind

Hardie siding outperforms many other siding products in its resilience to harsh weather, protection from pests, non-combustible makeup, and low maintenance. But the one thing homeowners consistently appreciate is Hardie’s amazing 30-year warranty. This non-prorated, transferable warranty is honored if you have a contractor trained by James Hardie install your siding. 

Choosing a James Hardie Preferred Contractor means you can trust that they are vetted by the manufacturer and will install your siding with precision according to James Hardie’s high standards. In the unlikely event you have a problem with your Hardie siding, your warranty will be in position to be honored when you have it installed by a Hardie Preferred Contractor. 

Hardie’s ColorPlus Technology (Hardie’s factory-baked finish in a variety of designer-picked hues) comes with a 15-year warranty against chipping, flaking, and fading.  

Is James Hardie siding right for your Philadelphia area home? Our “Complete Guide to Hardie Board Siding” can help you decide. Read the Guide

Safeguard Your Home from Damage with Durable Hardie Fiber Cement Siding Installation 

Don’t settle for subpar siding that leaves your home vulnerable to moisture intrusion, pests, woodpeckers, and weather-related damage. Fortify your house with beautiful Hardie siding and trim installed by our experienced team. 

JamesHardie elite alliance contractor logo

At Porter Family Exteriors, we have over 100 years of combined experience perfecting our skills and installation techniques. We know what works in our area and what doesn’t, so you get the most knowledgeable team providing quality workmanship that will deliver the long-term, high-performance siding you desire. 

As a James Hardie Elite Preferred contractor, we adhere to James Hardie’s best practices, ensuring you get optimal results for the lifespan of your new siding. Learn more about how our James Hardie Siding services can fortify your home against damage from the elements while boosting its curb appeal.

James Hardie Siding

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