
GoNano treatment extends roof life 10–15 years at a fraction of replacement cost. That means lower reserve contributions, no special assessments, and no solar panel removal headaches.
Treatment costs a fraction of full replacement. A 50-unit complex can save $200K+.
Extending roof life by 10–15 years dramatically reduces annual reserve contributions for the roof line item.
Treatment goes around solar panels — no removal, no reinstall, no warranty risk, no $8K+ added cost.
Avoid the board meeting nobody wants. Treatment can often come from operating budget, not reserves.
Under the Davis-Stirling Act (Civil Code §5550), every California HOA must maintain a reserve study that identifies major components — including roofs — and estimates their remaining useful life and replacement costs. Reserve studies must be updated every three years.
The roof is typically the single largest line item in any reserve study. For a multi-building complex, roof replacement can represent $150,000–$500,000+ in reserve obligations.
A documented GoNano treatment that extends roof life by 10–15 years can be presented to your reserve study preparer as evidence of extended useful life — potentially reducing annual reserve contributions by thousands per year.
Treatment documentation for reserve study preparers
Warranty certificate transferable to new owners
Can be classified as maintenance (operating budget)
Reduces or eliminates need for special assessments
40-unit condo complex · 20,000 sq ft total roof · Asphalt shingle · 15 years old
Without Treatment
Remaining life: 10 years
Replacement cost: $180,000
$18,000/year reserve contribution
$450/unit/year
With GoNano Revive
Extended life: 20 years remaining
Treatment cost: $31,000 (one-time)
$9,000/year reserve contribution
$225/unit/year
Annual Reserve Savings
$9,000/year
$225 less per unit per year

In San Diego, solar adoption is among the highest in the nation. But when it's time to replace the roof underneath, property managers face a cascade of complications and costs that most reserve studies don't account for.
GoNano solution: Treatment is applied around and under solar panels without removal. Zero disruption, zero added cost, zero warranty risk.
Add each building in your complex. We'll calculate total savings, per-unit impact, and reserve study implications — including solar panel complications.
REPLACEMENT
$45,000
TREATMENT
$7,750
SAVINGS
$37,250
PER UNIT
$3,725
1 Building · 10 Units
Total Replacement Cost
$45,000
Total Treatment Cost
$7,750
One-time application
Total Savings
$37,250
$3,725 per unit
Reserve Study Impact
By extending roof life across your complex, annual reserve contributions for the roof line item can be reduced by approximately:
$2,250/yr
Annual reserve reduction
$225/yr
Per unit per year
* Estimates based on San Diego 2025–2026 market data. Reserve study impact is illustrative — actual figures depend on your specific reserve study preparer's assessment and methodology. GoNano treatment documentation can be provided to your reserve study professional.
We'll do a free site assessment of your complex, provide a detailed proposal with per-building costs, and prepare documentation for your reserve study preparer.
Roof Care Pros is operated by the same team that built Tom Sawyer Fence Painting into one of San Diego's most trusted home services companies — with over 1,389 5-star reviews on Yelp and 20+ years of service. We bring that same commitment to quality, honesty, and customer care to every roof we treat.
20+
Years in San Diego
1,389+
5-Star Yelp Reviews
GoNano
Certified Dealer