Tag Archives: Fire

Understanding ULC-listed fire-resistant designs

As a regulatory representative of Underwriters Laboratories of Canada (ULC), this author sees an increasing number of building designers submitting plans to approving authorities with fire-resistant-rated assemblies as being “based on Design No. XXXX” instead of using the actual listed one. However, a design submitted as being “based on” is not the design “listed” by ULC.

+ Read More

Thermoformed Ceilings: Overview of an overhead option

Thermoformed plastic ceilings have been manufactured since the mid-20th century, and their utility has recently increased due to product innovations, rigorous testing, and certifications from leading building product evaluation services. The growing acceptance of these types of products is evidenced by the addition of a new MasterFormat number and title, 09 54 29–Suspended Plastic Ceilings that will be part of the next update in early 2016.

+ Read More