We are often contacted to evaluate “Why is the garage leaning?” and “When did the lean occur?” (See the featured photo). With regard to the latter question, fortunately we have super listening powers. That is, we are able to hear… Read More
Author Archives: Jerry Prugar
What Can We Tell from This Photo? (Case Study 5)
This is an exercise to develop the abilities of observation. What can one know from examining this photograph? The cohesive failure of the asphalt in the mat, especially at the right end, indicates that the force required to lift… Read More
Humps and Sags in a Roof Framed with Sawn Lumber
We are sometimes contacted to evaluate humps and/or sags in roof slopes, as shown in the featured photo and Figures HS-1. Most often we are asked to evaluate residential roofs which are commonly framed with 2×6 or 2×8 rafters. … Read More
Happy Thanksgiving! (2014)
My favorite time of year is Autumn. One reason is the abundance of fresh fruits and vegetables at this time of year. And with all this abundance, this is a good time of the year to slow down and consider… Read More
Please, Mr. or Ms. Architect, No More Roof Geometry Like This
I don’t know how many times we have been contacted to evaluate interior water damage (Figure NMRG-1) that was a result of poor roof geometry. Many times examination of the roof and/or the siding on the exterior reveals the obvious… Read More
Improper Repair Techniques
When a roof leak is discovered, it is recommended that the repair be made on the roof side of the leak. That is, the repair must be applied at the roof to prevent water from rain and snow melt from… Read More
Happy Halloween! (2014)
“Halloween” comes from the phrase “hallows eve,” which literally means “holy evening.” Considering the general theme of Halloween over the past 50 plus years that I have been aware of it, the meaning is quite ironic. Apparently, it was at… Read More