Category Archives: Shingles

Tips for Identifying Intentional (Advertent) Damage to Asphalt Shingles – The Pattern of Order – Part 3

Posted by in Roof, Shingles | April 29, 2013

In our last post we introduced three fundamental patterns that may be used to distinguish intentional (advertent) manual damage from naturally occurring hail or wind damage.  These fundamental patterns are: Natural Order vs. Unnatural (Artificial) Order Sufficiency vs. Insufficiency Compatibility… Read More

Tips for Identifying Intentional (Advertent) Damage to Asphalt Shingles – General Principles – Part 2

Posted by in Roof, Shingles | April 22, 2013

In our last post we discussed the increased frequency in the number of intentionally (advertently) damaged shingle roofs that we have evaluated over the years.  In this post we discuss the method of evaluating shingle roof damage with regard to… Read More

Tips for Identifying Intentional (Advertent) Damage to Asphalt Shingles – Introduction – Part 1

Posted by in Roof, Shingles | April 15, 2013

We have often been engaged to evaluate damage to asphalt shingle roofs.  Some of our evaluations have concluded that the damage was intentionally applied in a fashion that appears to mimic hail or wind damage.  By intentional we mean advertent,… Read More

Shingle Damage Evaluation – Intentional Damages to Mimic Hail Damage – Part 7

Posted by in Shingles | August 20, 2012

This post is Part 7 of Shingle Damage Evaluation and follows Other Damages That May Be Mistaken for Hail Damage – Part 6d. In this post we discuss mechanical damage marks on shingles that were applied with the intention to mimic hail damage,… Read More

Shingle Damage Evaluation – Other Damages That May Be Mistaken for Hail Damage – Part 6d

Posted by in Shingles | August 13, 2012

This post is Part 6d of Shingle Damage Evaluation and follows Other Damages That May Be Mistaken for Hail Damage – Part 6c. Other Damages That May Be Mistaken For Hail Damage – Part 6, is comprised of four posts that discuss the causes… Read More

Shingle Damage Evaluation – Other Damages That May Be Mistaken for Hail Damage – Part 6c

Posted by in Shingles | August 06, 2012

This post is Part 6c of Shingle Damage Evaluation and follows Other Damages That May Be Mistaken for Hail Damage – Part 6b. Other Damages That May Be Mistaken For Hail Damage – Part 6, is comprised of four posts that discuss the causes… Read More

Shingle Damage Evaluation – Other Damages That May Be Mistaken for Hail Damage – Part 6b

Posted by in Shingles | July 30, 2012

This post is Part 6b of Shingle Damage Evaluation and follows Other Damages That May Be Mistaken for Hail Damage – Part 6a. Other Damages That May Be Mistaken For Hail Damage – Part 6, is comprised of four posts that discuss the causes… Read More

Shingle Damage Evaluation – Other Damages That May Be Mistaken for Hail Damage – Part 6a

Posted by in Shingles | July 23, 2012

This post is Part 6a of Shingle Damage Evaluation and follows Size of the Hail Stones – Part 5b. Our previous posts have already discussed the causes and characteristics of damage from normal and premature aging and the characteristics of functional hail damage.… Read More