Why is there Gravel on My Roof?
You may be wondering why some buildings have gravel on the roof. Simple, it protects the tar from the sun. UV rays can break down and dry out the tar membrane causing the tar to crack (some describe it as “alligatoring”). The light color rocks reflect the sun’s...About Author
bob emmett
Over 15 years of construction and real estate experience. Speicalized in Construction Investigations. Received a masters degree in Construction Management from Drexel University. Certified Master Inspector with ASHI and Certified CREIA Inspector.