Which chemicals we can suggest for roof waterproofing treatment at coastal areas?

* Acrylic polymer
* Silicone-based roof coatings
* Polyurethane
* Aluminum or zinc coated materials
* Stainless steel or corrosion-resistant fasteners
* Galvalume (has excellent corrosion resistance and thermal reflectivity)
* Low maintenance metal roofing with factory-applied finishes
* Synthetic underlayment (offers better protection compared to felt options)
* Marine-grade paints with anti-corrosive properties