Industrial Strength to Insulate Any Space 

For loose fill insulation installation, trust CertainTeed Machine Works: proven commercial-grade machines you can tailor to your needs and count on throughout the years to condition any type of fiberglass, rockwool, or cellulose insulation with accuracy and efficiency.

Since 1999, the respected Unisul brand of high-performance insulation machines has been part of the Machine Works portfolio. Just as the CertainTeed name represents more than a century of innovation and experience, Unisul’s reputation over more than 85 years is stellar.




Unisul is now fully integrated into the CertainTeed Machine Works family with an ongoing commitment to excellence. Add to this the promise of innovation: research, development, and input from you will help us take these machines far into the future.

Right now you’ll notice a new look, new product names, and a streamlined lineup. Be assured that the quality and performance remain top-notch, as does the technical support that will help keep them working for decades. Because when your machine requires service, spare parts are readily available for rapid delivery. And the machines’ practical engineering means that someone on your team can, more often than not, make the repair.

Why Machine Works? Almost two centuries’ worth of experience is built into every machine: solutions that will keep you up and running for a long, long time to come.