This concrete block wall exhibits an unusual pattern of cracking. What can we tell from these two photos? The line of the horizontal joints and the line at the top of the wall indicate that wall… Read More
Author Archives: Jerry Prugar
Do Leaf Guards Have an Effect on Icicles?
Many, many years ago my father-in-law asked me about any detrimental effects of leaf guards on gutters. Being over eighty he had decided that it was time to stop climbing a ladder to clean his gutters. I told him that… Read More
What Can We Tell from This Photo? (Case Study 6)
During our moisture source evaluations we sometimes observe other conditions that we bring to the attention of the owner. Such is the case for this week’s topic. In the featured photo and Figure FT-1 we see a fractured web… Read More
Happy Easter! (The Christian’s Benefit from His Resurrection)
Fellow Christians, we celebrate Easter again! In our commemorations during Holy Week we are reminded that when Jesus Christ was crucified He took our sins upon Himself and paid the penalty for them. But, let us not forget that in… Read More
Blisters in a Resilient Floor Covering
On occasion we have been called in to evaluate damage to floor finishes. One of the more interesting evaluations involved blisters in a resilient floor covering at an office (See Figure BRF-1). These blisters reportedly appeared one day and continued… Read More
Fire Damage to Shingles
On occasion we are called in to a situation where a building or home owner is concerned that the shingles on his/her roof were damaged by the heat from a nearby fire. Damage from exposure to excessive heat to shingles… Read More
How Much Snow Can My Roof Support?
After a succession of heavy snowfalls, we are often asked the question, “How much snow can a roof support?” or more specifically, “How much snow can MY roof support?” and “Should I shovel the snow off my roof?” Most who… Read More