Commercial Roof Warranties

Let’s Get Real About Commercial Roof Warranties Have you noticed roof warranties are getting so lengthy you need nothing short of a decoder ring to cut through the double-speak and legal jargon? Why is that? How do you overcome the ambiguity to uncover the facts you need to know and understand regarding roofing product warranties? […]

Thermal-Tec Featured in Retrofit Magazine

Retrofit Magazine recently featured Thermal-Tec’s MR Multi-Ply® Roofing System as an innovative and alternative solution to abating old asbestos-laden roof systems like transite. The story focuses on the ability of the MR Multi-Ply® Roof System to effectively seal the outside of the structure with sustainable means.  From then on, the roof system retains its fire-resistant […]

40 Years In Commercial Roofing

Thermal-Tec/ Michigan Inc, located in Cedar Springs, is celebrating its 40-year Anniversary this month. Founded by Earl Siterlet in 1983 with his two sons, Robert and Richard Siterlet, Thermal-Tec began as a modest insulation and roofing installation contractor in Sand Lake, MI. The company quickly became a premier roofing solution, sought after by critical manufacturers […]

Understanding Thermal Movement in Metal Roof Systems

Sheet-metal roofing systems can truly stand the test of time. We can find them dating back to the World War II era. Even today, roofing contractors are often struck by the level of craftsmanship and precision that went into the sheet metal systems found on historic buildings and structures. These roofing systems have a few […]

Transite Asbestos – 4 Identifiable Characteristics

This article is written as a resource to help building owners identify if they have an old transite asbestos roof. The characteristics referred to in this article focus on old transite panels manufactured in the US from 1929 -1985 and classified as ‘Category II Non-Friable ACM (asbestos-containing material). Many of these roofing systems have already […]

Why We Shouldn’t Paint Brick or Block Walls

As one of the oldest building materials humans have used for centuries, there are many different kinds of bricks/ blocks.  However, most ‘classic’ brick types we see on buildings and commercial facilities today share a similar manufacturing process, which includes:   Crushing/ Grinding of raw clay material and other granular aggregate Adding Water Formed by Extrusion, […]

MR MULTI-PLY® Roof System | How It Works

Aggressive Environment Roof Restoration & Protection                     Layered Roofing Design Creates the Highest Quality Industrial Roofing Solution Our signature MR Multi-Ply® Roof System uses unique layers to maximize the protection and longevity of your existing roof. It’s the premier roofing solution for aggressive manufacturing environments. Your […]

Fall Safety: What to do Next

So, you’re aware of the rooftop hazards and the risks they pose. Do you know what your obligations are?  Click here to understand the essentials of fall safety and the responsibilities and obligations of building owners and managers.

Women In Construction Week 2022

Celebrating Women In Construction Week 2022! While the construction industry today is 90% male-dominated, Thermal-Tec would like to recognize one of our most vital employees of more than 11 years! READ THE ARTICLE HERE

Fastener Backout: Areas of Concern on Your Roof

Metal roofs are typically the standard for large commercial and industrial buildings. The characteristics of metal roof panels are advantageous for many industries, especially those with critical manufacturing environments, prone to intense heat. But simply having a metal roof doesn’t guarantee a leak-free production floor. Metal roofs come with their own share of issues that […]


Wondering what it’s like working with Thermal-Tec? We pride ourselves on our professionalism and our commitment to those we serve. Check out our client feedback and reviews to get a better understanding of the Thermal-Tec Advantage.  You can view all of our Google Business Reviews here as well. Jason Ravago “Great quality product and professional […]