SEALERIX - NANOTECH SURFACE SHIELD SOLUTIONS AUTHORIZE PROVIDER OF GONANO IN MARYLAND Gonano is an eco-friendly nano-technology solution that can extend the lifespan of your roof by 10-15 years while reducing the expense by 75% – 80% compared to getting a new roof. If you’ve been advised to replace your roof, think twice! Contact us today for a complimentary roof assessment. Don’t opt for a new roof, choose Gonano!