Guide to Different Types of Commercial Roof Insulation

An Orange roofs

By insulating a commercial roof, you want to provide the necessary protection from weather conditions to both the property and the property’s contents (i.e., people or equipment). That one you could’ve guessed yourself. Additionally, residential and commercial roofs have another thing in common: they act as barriers between the internal building contents (the indoors) and the external (outside) elements. So, where to look for differences between the two? Also, are there different types of commercial roof insulation? We’ll start by answering the first question.

What is commercial roof insulation?

The first thing you should know is that a commercial roof consists of various layers, starting from roofing material all the way to vapour, decking, insulation, and other elements. The second one is this: a commercial roof differs from its residential sibling in the way that it’s insulated. For instance, in a residential property, you’ll most likely find batts and rolls, reflective, blown-in, or even rigid board insulation. On the other hand, a commercial roof demands specific forms of insulation. Essentially, what you’ll be doing is putting the whole insulation system somewhere underneath the outer roofing membrane.

Guide to Different Types of Commercial Roof Insulation
Commercial and residential roof insulation differ a lot. You can assume that one just by looking at his picture.

What are the benefits of insulating your commercial roof?

Okay, we’ve almost reached the cool part. Before we delve deeper into our main subject, let’s see the benefits of commercial roof insulation. Insulating your commercial roof will:

• Help you maintain a perfect indoor temperature.
• Prolong the lifespan of your commercial property.
• Save you the money you’d otherwise spend on paying large energy bills.
• Ensure you reduce overheads.

Okay, now that we know the benefits of installing commercial roof insulation, let’s check out what types are out there.

Different types of commercial roof insulation

This will help you choose the best type of insulation for your property. So, shall we begin?

Option #1: Spray foam

It is a so-called market favourite. You can say it’s the most widespread type of commercial roof insulation out there. Spray foam insulation has phenomenal:

• Resistant values. It does wonders regardless of the weather conditions.
• Soundproofing properties. Spray foam is pretty good at blocking sound, ensuring the privacy of the building occupants.
• Longevity traits It’s made to last.

Spray foam will undoubtedly meet all the necessary insulation objectives and adhere to all standards and regulations. Between the two types of foam, open-cell vs closed-cell, the latter is a favourite among folks choosing the type of insulation for their commercial property. Lastly, this type of commercial insulation helps reduce your carbon footprint. You can easily say spray foam’s an eco-friendly insulant.

Option #2: Mineral wool

The next one on the list is mineral (or rock) wool insulation. It has been proven that this type of insulation has significant benefits, making it stand out from the rest of the crowd. And it is Installed in panels; mineral wool insulation is entirely free of moisture growth, alongside being extremely fire resistant. This option is pretty popular among commercial property owners.

A person adding mineral wool insulation type of commercial roof insulation
More and more commercial property owners are choosing mineral wool as the insulation material for their roofs.

A quick tip on the side: handling the process of commercial roof insulation

You might wonder: should I vacate certain parts of my commercial building before the roofers arrive? Well, you’ll probably have to do that to ensure none of your company’s property gets damaged. Of course, we’re talking about renting/buying storage space. Many business owners find this option very useful and non-expensive (compared to the rest of the company’s expenses). Once you find the ideal solution for your stuff, you’ll be totally fine.

Option #3: Polyisocyanurate (ISO)

So, what do we have here? Polyisocyanurate (ISO) is probably one of the most popular above-deck insulations that are installed on low-slope commercial roofs. This form of insulation (sometimes called PIR or ISO) is also made of foam insulant solution. Although, it is provided in a recognizable panel form. This kind of arrangement enables the insulation to have added components (foil-facing, for instance), which can significantly benefit the roof insulation of commercial buildings. Additionally, the external foil-facing layers will save you the need to add an extra vapour barrier to your commercial roof.

Option #4: Extruded Polystyrene (XPS)

Among different types of commercial roof insulation, XPS is another foam-based solution. Also, it all goes by the name of Styrofoam. It’s something of a household name. Anyway, the extruded polystyrene (XPS) insulation is available on the market as a board/panel and is a pretty effective solution for commercial building roofs.

A man opening a box of Styrofoam balls.
Did you know some types of insulation processes involve using Styrofoam?

Option #5: Expanded Polystyrene (EPS)

It is similar to XPS (you can notice how their names are almost identical); Expanded Polystyrene (EPS) foam insulation is the cheaper version. Still, it will provide virtually the same level of insulation performance. Although to be completely honest, XPS panels possess greater thermal properties. While you can meet the stand with EPS, too, you’ll have to use a thicker board layer.
Bonus tip near the end: How to find expert roofers?
Okay, since we’re nearing the southern margin of this text, it’s time we award your patience with an additional tip concerned with the process of finding folks who’ll take care of this job for you. So, how and where does one find expert roofers? There are a lot of online directories you can scan for expert roofers. You’ll need to make sure the pros you choose fit the following criteria:

• They are fully licensed in your local area.
• They offer insurance.
• They’re not afraid to give you a list of references from past customers.
• Lastly, they’re able to write you an estimate.

Additionally, read online reviews, ask your friends if they’ve had experience with high-quality roofers, and carefully interview potential candidates for the task of choosing the best types of commercial roof insulation.