It doesn’t happen often, but when it does, “What should you expect?” Concrete is a relatively indestructible material. When a liquid is accidently spilled on it, wipe it up, and there seems to be no apparent damage. Often times kitty… Read More
Author Archives: Jerry Prugar
Pellet Impact Damage to Soft Metals
So, what does pellet impact damage look like in soft metals such as siding or a metal chimney? See for yourself. We weren’t asked, but considering the direction of exposure of the siding and the chimney… Read More
Happy New Year 2015!
… What does 2015 hold in store for us? What will be the BIG weather event of the year? Which world leader will re-shape the geopolitical landscape? What new entertainment fads will develop? What sports heroes will appear to arise… Read More
Thought for Christmas 2014
. Therefore Pilate said to Him, “So You are a king?” . Jesus answered, “You say correctly that I am a king. For this I have been born, and for this I have come into the world, to testify to… Read More
Garage Whisperer
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
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