Roof rejuvenation in Boston, MA
ShingleLock restores flexibility to aging asphalt shingles in Boston and locks their protective granules back to the mat — so the roof keeps working instead of being torn off.
Your certified applicator
What the treatment is measured to do
Tested by Certerra, 2025, against untreated shingles of the same age. These are laboratory test results, not a statement of warranty coverage.
+56%
Granule retention
on 30-year / end-of-life shingles
+100%
Pliability rating
+50% / +85%
Flexibility and stiffness