Roof rejuvenation · ShingleLock
Shingle rejuvenationin Fremont & Newark.
Restore flexibility and granule adhesion without a tear-off. One day on your roof, six years guaranteed — for roofs that qualify.
East Bay climate
Out here a roof
doesn't fail from storms.It fails from drying out.
Five to six rainless months
May through October, essentially no rain while shingles bake under hard UV. The oils evaporate and are never replaced.
The rain comes all at once
Atmospheric rivers drop the winter total in concentrated bursts. Bone-dry to fully saturated, nothing in between.
A swing every day
Hot inland afternoons, cool marine layer by evening. Shingles expand and contract daily, year-round.
Salt air and ash
Newark, Union City and the Hayward shoreline sit on the bay edge. Late summer adds wildfire ash.
Independently lab tested
56%
Better granule adhesion on end-of-life shingles
25%
Higher tear strength
PASS
Cold pliability test — untreated shingles failed
0.02%
VOC emissions
Independent third-party laboratory testing. Full test report available on request. Not every roof qualifies — eligibility is confirmed at the assessment.
Eligibility
Does your roof qualify?
Good candidates
- Asphalt shingle roof (3-tab or architectural)
- Typically 5 to 20 years old
- Shingles still lying flat and attached
- Granule loss present but mat not widely exposed
- Deck sound, no active leaks
Not a fit
- Tile, metal, wood shake, flat or membrane roofs
- Active leaks or soft, damaged decking
- Widespread exposed fiberglass or missing shingles
- Shingles curled or cupped beyond recovery
Rejuvenation is preventive care for sound shingles. It does not repair leaks or damage. Eligibility is confirmed at the free roof assessment.
On the roof
Before, during, after.
Before and after — faded grey back to a deep, even tone.
Questions
Everything homeowners ask.
ShingleLock is water-based, biodegradable and pH-neutral, with 0.02% VOC emissions and no detectable PCB leachate. Keep kids and pets off treated areas until dry.
Free roof assessment
Find out if your roof qualifies.It costs nothing to ask.
Serving Newark, Fremont, Union City, Hayward, Castro Valley, San Leandro, Pleasanton, Dublin and Livermore.