Vertical deflection resulting from live and dead loads – of both roof and floor framing components – is an important serviceability consideration in the overall design of the building. And while this could be a topic in and of itself, this article is instead going to focus on two...

Over the period of nine days starting on June 9, 2017, five deck collapses in five states (MT, VA, OH. MI, and WI) were reported in the news media. Using the injury data from the media, the five collapses resulted in a total of 57 injuries. In one case, WAVY.com reported that, after an...

The future is here. It is common knowledge that wood is a renewable and environmentally friendly building material. There are two types of wood-framing methods in North America. The most common method for residential construction is light-frame construction using either balloon-framing or...

A quick glance through the Simpson Strong-Tie® Wood Construction Connectors catalog shows that we manufacture at least 29 different models of face-mount wood-to-wood joist hangers, three separate models of face-mount wood-to-masonry hangers, 42 different models of top-flange wood-to-wood...

In another article in the “How to Pick a Connector Series,” Randy Shackelford discussed the various considerations involved in selecting a joist hanger. So why is this article about truss hangers? A hanger is a hanger, right? Before I moved into the Engineering Department at Simpson...

It seems that each major hurricane tends to teach those of us in the construction industry some lesson. With Hurricane Andrew, the lessons were the importance of protection from windborne debris, and the importance of proper construction of gable ends. There are two main areas where gable...

The parts won’t hold themselves up. They have to be fastened in place. In a previous entry in this series, Randy Shackelford, PE addressed selecting a joist hanger. This article focuses on the fasteners recommended for various wood connectors. For straps, holdowns, and other...

Why don’t we take vacations more often? This month’s ‘Question’  is personal, and one that I asked myself more than once while I was on a family vacation up in New England last week to celebrate my Mom’s 80th birthday. You see, we spent much of the time...

This article discusses how to select holdowns and tension ties, which are key components in a continuous load path. They are used to resist uplift due to shearwall overturning or wind uplift forces in light-frame construction. In panelized roof construction, holdowns are used to anchor concrete...

When it comes to wood frame construction, hurricane ties are among the most commonly specified connectors. They play a critical role in a structure’s continuous load path and may be used in a variety of applications, like attaching roof framing members to the supporting wall top plate(s),...