We’ve almost reached the proverbial top floor. Our Basics of Construction Classes series, as defined by the Commercial Lines Manual, is nearing its thrilling conclusion with Construction Class 6 Fire-Resistive (CC 6). As the name implies, this is the construction type best able to withstand the peril of fire.Read More
R-ratings are not just for movies. When talking construction classes, the term Fire Resistive Ratings — better known as R-Ratings — measure a building’s resistance to fire. They are a key component of building codes. Many entities use them, including the International Building Code (IBC), National Fire Protection Association (NFPA), Underwriters Laboratories (UL) and WSRB.Read More
The proper identification of a risk’s construction class is critically important for sound underwriting. The Basics of Construction Classes series arms you with information on how to identify buildings. For many of the construction classes, an interior view of the building, and specifically the wall and roof assembly, is essential to properly assess the class. This is especially true in Construction Class 4, Masonry Non-Combustible.Read More
Our six-part Basics on Construction Classifications series has reached the halfway point. This one focuses on Construction Class 3 (CC 3), the non-combustible construction type.Read More
Construction Class 2, Joisted Masonry (CC 2) is the most common class for commercial buildings in Washington state. You’ll encounter it frequently, so it’s important to recognize it. In this, part two of our series on the Basics of Construction Classifications, we review the joisted masonry class so you can easily spot it.Read More
Improving your understanding of construction classes can help you get the greatest value from WSRB inspections and commercial property reports. To help you do this, we’re running The Basics of Construction Classifications series over the next few months. We’ll review all six construction types, covering the nuances with photos and examples, ensuring you can identify the classes. We'll also cover mixed construction. Be sure to check out all the posts.Read More
It’s common to see buildings of varied construction types all over Washington. Some buildings are built using different construction methods, while others are added on to over time.
The end of the construction class road is learning how to handle mixed construction. If you need a refresher on the construction classes, see our articles on each: Construction Class 1 (CC 1): Frame, CC 2: Joisted Masonry, CC 3: Non-Combustible, CC 4: Masonry Non-Combustible, CC 5: Modified Fire-Resistive and CC 6: Fire-Resistive.Read More