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Advantages of Aliphatic Polyurethane in Solid-State Skylights

March 10, 2021

Aliphatic polyurethane

Aliphatic polyurethane is a chemical you’ll often find in industrial construction applications. It’s used as an industrial coating in many industries to create a durable finish that protects materials from exposure to water and chemicals. We use aliphatic polyurethane in our solid-state high-performance skylights to increase durability. Aliphatic polyurethane is one of the reasons that our skylights stand the test of time in residential and commercial settings. 


Aliphatic polyurethane has a high tensile strength that bonds easily to epoxies. This toughness makes it a useful component for a long-lasting durable product like VTECH skylights. We expect our high performance skylights to last decades – that’s why our products come with a 20-year transferrable warranty.  

Impact Resistance 

It’s vitally important that all materials used in our skylights have strong impact resistance. Imagine the type of debris that might fall on your roof over the course of several decades. Large branches, ice, and hail can all damage your skylights if they’re not designed to withstand impacts from fast-falling objects. 

VTECH skylights are designed to exceed code requirements, and we accomplish those goals. You can read more about this on our website, where we discuss the certifications that make our skylights so strong. You don’t need to know all the technical details about what makes our skylights so strong, as long as you can see that strength in action. During our certification demonstrations, we performed a variety of tests to show the strength of our skylights.  

  • We dropped a 200-pound bag on our skylights from 5 feet up – and the skylights held. 
  • We increased the load of the bag to 300-pounds then dropped the bag from 3 feet up, and our skylights held.
  • We shot balls of solid ice at our skylights, at speeds of 75 miles per hour, and our skylights were undamaged.

Learn more about the certifications on our website certifications page – and see videos of our successful product testing!

High Thermal Stability 

Skylights are routinely subjected to extreme temperatures, including high highs and low lows. Materials that don’t have high thermal stability may warp, crack, melt, or be otherwise damaged at the hottest and coldest times of the year.

One of the reasons we chose aliphatic polyurethane for VTECH’s high performance skylights is the material’s high thermal stability. We never want to receive feedback from our customers that our skylight products have become damaged due to high temperatures – so we use only the very best materials for our ultra-durable skylight products. 

Good Chemical Resistance  

Hopefully, your skylights won’t be subjected to a lot of chemicals or toxins while they’re in a place in your home. Still, if your skylights have been made by VTECH, you can take comfort in knowing that the skylights you installed are designed to be resistant to chemicals that might be used in the course of maintaining or repairing your roof. 

Hydrophobicity / Waterproof

It’s vitally important that your skylights remain waterproof throughout their time on your roof. Think of all the years of exposure to wind, rain, snow, and other forms of precipitation your roof must endure. We chose aliphatic polyurethane because we knew how important it was for our skylights to resist water leakage throughout their lifecycle. 

Aliphatic polyurethane is fully resistant to all forms of moisture. This ensures that your skylights will need less maintenance from you, and will last longer than the other skylights you might be thinking about buying. 

Choose High Performance Skylights for Your Home or Commercial Property. Contact VTECH

VTECH’s skylights are designed to outlast other skylights, protect your home or commercial building from water intrusion, and improve your quality of life. To find out more about installing VTECH skylights, call today

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