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The Humble Evolution of Home Insulation: Mud to Spray Foam

Have you ever wondered how insulation came to be? Humans have been building homes and keeping their heat inside for thousands of years. We’ve come a long way since mud, but we’re still learning how to keep the cold outside and the warmth in.

If you are interested in knowing about the evolution of insulation, you will find that this article can fill you in on the details!

The Humble Evolution of Home Insulation: Mud to Spray Foam

BC Times

It’s believed that the first insulation was actually just mud or clay. When the mud was dry, it could hold heat even better. The problem with this method of insulation is that the mud dried out quickly and took a long time to be effective. Plus, it showed up everywhere.

Then, someone had the idea of mixing straw with the mud and building straw houses. This was a great idea, and it was a hit. It was an extremely popular way to keep warm in the colder parts of the world.

The Middle Ages

The Middle Ages brought about a great deal of invention to the world, and insulation was no different. The development of the blast furnace led to charcoal being used as an insulator. Charcoal was great for insulators because it absorbed heat very easily, which made it great for keeping people warm in colder climates.

The Industrial Revolution

The Industrial Revolution brought on some new developments as well. The invention of rock wool changed the way homes were insulated. Rock wool was made with a chemical process and is a very durable, effective type of insulation that is still in use today.

The 20th Century

The 20th century brought about a lot of new developments to the world of insulation. It was the start of the modern insulation industry, and the methods and inventions that are used today are a direct result of the developments during this time period. The invention of spray foam insulation started in the 1940s, but it didn’t come into full use until the 1950s.

Present Day

Spray foam insulation is a great way to reduce your heating and cooling bills, and it is a very effective way to control the temperature inside your home. It is clean, quick, and easy to install, making it a great option for the modern homeowner.

Today, there are a lot of different options for insulation. Some of the most popular options include fibreglass, cellulose, mineral wool, fibreglass, and of course, rock wool. There are many different ways to go, and there are a variety of factors that go into deciding which option the homeowner chooses, including price, availability, and effectiveness.


The insulation industry has come a long way over the years. There are many different types of insulation for your home, and there are pros and cons to each of them. If you are looking for a way to save money on your heating and cooling bills, then you should definitely look into what is available to you.

If you are in the process of building a new house or remodelling your current one, you should take the time to look into what is available to you. You’ll find that there are a variety of options available to you, and one of them can help you to make your family’s home a little more energy-efficient.

Should you be interested in commercial spray foam insulation services, contact PolarTech Spray Foam. Our company provides professional spray foam insulation installation and removal services.

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