Here we have a truss web member that is fully fractured. Close examination of the fracture discloses a knot that extends from the top face down to the bottom face, nearly the full width of the member (Figure 1). The… Read More
Author Archives: Jerry Prugar
Uniformly Spaced Spots of Granule Loss on Shingles
There are a number of causes of spots of granule loss on shingles. In this article we look at a manufacturing defect. Note the relatively uniform spacing of the spots of granule loss in Figure 1. Note also the consistency… Read More
Happy Easter!!!!! (2018)
Jesus said to him, “Today salvation has come to this house, because this man, too, is a son of Abraham. For the Son of Man came to seek and to save the lost.” (Luke 19:9-10, NIV) Come and hear, all you… Read More
Time for Icicles and Ice Dams
So you think winter is over? Not yet. It’s got one or two last hoorahs. It’s still that time of year for icicles and ice dams. What can you do to avoid them now? Nothing, except use a roof rake… Read More
Salute to President Andrew Jackson (1829-1837)
Who is that man on the $20 bill? He is General Andy Jackson. A national hero of the War of 1812, defeating the British in 1815 at New Orleans. And the 7th President of the United States. His nickname was… Read More