Author Archives: Jerry Prugar

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 →

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 →

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 →

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 →

This post is Part 5b of Shingle Damage Evaluation and follows Functional Hail Damage – Part 5a. Considering the Size, Direction, and Damage Producing Effects of the Hail Stones  The evaluation of composite asphalt shingles and other roof coverings for hail impact damage… Read More →

This post is Part 5a of Shingle Damage Evaluation and follows Characteristics of Aging- Part 4e. Functional Hail Damage to Composite Asphalt Shingles  Industry standards and studies have defined functional hail damage to asphalt shingle roofs as a diminution of the water shedding… Read More →

This post is Part 4e of Shingle Damage Evaluation and follows Characteristics of Aging- Part 4d.  Part 4 consists of five short lists. Characteristics of Aging The following is the last of five lists of characteristics exhibited by aging asphalt shingles: Shrinkage – Shrinkage… Read More →