Category Archives: Roof

Not As Unusual as You Would Think

Posted by in Roof, Shingles | March 31, 2016

We get to see some unusual details on the roofs we examine.  Here are four that promote leakage and/or loose shingles. Who put the soil stack in a valley?  See the featured photo.  In heavy rains or during snow melt,… Read More

What happens when…the boot on the soil stack is too small?

Posted by in Buying/Maintaining a Home, Roof, Shingles, What happens when ...? | February 29, 2016

Ever wonder if conventional wisdom, common sense, or old wives’ (in this day and age of political correctness I probably should include old husbands’) tales are accurate? This blog begins what I hope to be a new recurring series of case studies… Read More

What Can We Tell from This Photo? (Case Study 13)

Posted by in Apparent Mold/Biological Growth, Case Studies, Roof, Winter Concerns, Wood | February 22, 2016

The feature photograph was taken in an attic during a warmer month of the year.  It documents the condition on the underside of the roof deck.  This photograph provides valuable information regarding the scope and history of airborne moisture in the attic. From… Read More

Quick & Easy Repair for a Soil Stack Boot

Posted by in Buying/Maintaining a Home, Roof, Shingles | December 14, 2015

Ever get up on a roof and find the soil stack boot has deteriorated or split (see the feature photo).  It is one of those “Argh” moments. Here is a quick repair that may come in handy this winter or… Read More

An Oversight Makes a Rafter More Susceptible to Fracture

Posted by in Construction & Shortcuts, Roof, Structural Analysis, Wood | December 07, 2015

In the featured photograph we see where the rafter fractured at its end.  This fracture was due to vertical tension in the rafter.  That is, the weight of the roof framing and the snow were pushing downward along the length… Read More

Please be careful this winter!!!!!!!!!!!!!!!

Posted by in Buying/Maintaining a Home, Roof, Shingles, Snow Loads, Weather Events | November 09, 2015

If you are chipping ice dams out of the gutters and valleys of your roof this winter, please be careful. I know it gets frustrating as we chip away at the ice in the cold, but a few slips of… Read More

Cleaning Lichens from Shingles (An Experiment)

Posted by in Buying/Maintaining a Home, Roof, Shingles | October 05, 2015

While performing my annual pre-winter roof maintenance this fall I again noticed the moderate growth of lichens on parts of my roof.  The lichen growth is in areas that are heavily shaded (Figures L-1). I thought that this might be… Read More

Shingles with Jen-U-Wine Hail Damage

Posted by in Roof, Shingles | September 28, 2015

We have evaluated a number of roofs this summer for hail damage.  We have evaluated more roofs than most years, but not as many as in some of the past years. And now, for your viewing pleasure, I now present a… Read More