Category Archives: Shingles

What Happened Here?

Posted by in Roof, Shingles, Simple Forensic Methods, Winter Concerns | July 17, 2017

The shingles along the eave of roof exhibit broken and dislodged tabs and surface gouges (Figure 1). What could have caused this?  Vigorous ice removal. The damage is along an area that was reportedly covered with ice (see featured photograph).… Read More

What Causes That Fish Mouth Appearance in a Shingle Roof?

Posted by in Buying/Maintaining a Home, Construction & Shortcuts, Roof, Shingles | July 10, 2017

Sometimes a shingle roof will exhibit a pattern of shingle tabs raised at their center, such as seen in the featured photograph.  That is, the shingle tab is partially sealed at each end, but raised in the middle (Figure 1).… Read More

Quickly Identifying Unsealed Shingle Tabs

Posted by in Roof, Shingles, Simple Forensic Methods | June 19, 2017

Here is a quick and easy method to identify unsealed, partially unsealed, or poorly bonded shingle tabs or shingle strips.  But I must warn you, “DO NOT TRY THIS AT HOME UNLESS YOU ARE WILLING TO ACCEPT THE RISK OF… Read More

Intentional Damage? Or Something Else?

Posted by in Shingles | April 17, 2017

Not all shingle tabs that are creased or unsealed by hand lifting are done so with intention to damage.    During the replacement or repair of shingles, flashings, or other roof component, shingle tabs are often lifted and bent back to… Read More

The Work of Hansel & Gretel?

Posted by in Buying/Maintaining a Home, Shingles | February 06, 2017

Remember the story of Hansel and Gretel?  For those who aren’t, they are a brother and a sister who run away from home, get lost, and come upon a gingerbread house.  Having become famished in their travels they start eating… Read More

Update: Low-flying Planes (Still) Damaging Roofs in Poland

Posted by in Roof, Shingles, Unusual | December 05, 2016

In July 25, 2016 we reported a story in the Dziennik Polski that low flying airplanes were damaging clay roofs tile on homes nearby the airport in Morawica. This is an ongoing story in Poland as the authorities have been flummoxed… Read More

Here’s a Layout You Don’t See Often (or Ever Before, for Me)

Posted by in Roof, Shingles, Unusual | November 14, 2016

Things that came to mind at first glance: How does a roofer handle this? Did the architect see this coming? How can this not leak? Now what can be done? Answers (Guesses): He routed one valley into another. Probably not.… Read More

Hail Impact Doesn’t Always Damage Shingles

Posted by in Shingles | October 24, 2016

Just because shingles were impacted by hail doesn’t mean that they were damaged by hail. Hail damage to asphalt shingle roofs is characterized by localized loss of granules, usually somewhat circular in shape, and accompanied by a fracture or a… Read More