Category Archives: Shingles

Buckling, Sliding, and Thermal Tearing of Shingle Strips

Posted by in Shingles | September 19, 2016

In the featured photo the shingles exhibit buckling at the ends of the shingle strips.  This buckling is similar to the buckling of a concrete roadway in the summer. The shingles have expanded from excessive heat or swelled from excessive… Read More

Case Study: Hand Torn Shingles

Posted by in Case Studies, Shingles | September 12, 2016

The dimensional shingles on the roof exhibited many torn and dislodged shingle strips (see featured photo).  The shingle strips were well sealed and when they were lifted, the underside of the mat adhered to the underlying shingle (Figure 1).  In… Read More

Hail Damage Revisited

Posted by in Hail Damage, Shingles, Weather Events | August 01, 2016

It is that time of year again when we have thunderstorms with hail.  And, we are sometimes called in to evaluate damage to roof to determine whether or not it is hail damage.  There are times when these evaluations are… Read More

Shingle Tab Lifted by a Raised Nail (Case Study)

Posted by in Buying/Maintaining a Home, Case Studies, Roof, Shingles | July 11, 2016

From the ground, I saw that the shingle looked slightly lifted.  See the featured photograph.  Further examination disclosed that the shingle was lifted by a raised nail. One of the nail had been installed at an angle and had backed out. … Read More

Hail Damaged Shingles

Posted by in Hail Damage, Roof, Shingles, Weather Events | May 09, 2016

Last week we took a quick look at hand torn shingles. This week it is hail damaged shingles. Yes, Virginia, there have been hail damaged shingles. Hail damage to a composite asphalt shingle is commonly characterized by a small area… Read More

Hand Torn Shingles

Posted by in Roof, Shingles, Wind Damage | May 02, 2016

Most things are made better by hand, such as, automobile engines, pies, furniture, chocolate, etc. However, hand-made “wind damage” to shingles is an oxymoron. Here are a few examples of hand-torn shingles and their evidence of being hand torn.  Look… Read More

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… someone discharges a firearm into the air?

Posted by in Shingles, Unusual | March 07, 2016

How often have we been warned by law enforcement officials and the media to not discharge firearms into the air to celebrate some “special event?”   In this time when common sense is a super power, I could not estimate the… Read More