TopShield PRO products are focused on the commercial and residential roofing contractor’s productivity and profitability, where commercial low-slope products and coatings are required.TopShield PRO offers competitively priced and nationally distributed modified roofing systems for low-slope commercial and residential contractors – including APP granular, APP Sand Surface, Self-Adhered Cap and Base. Our APP granular and SA cap are both available in 5 great colors. TopShield PRO offers the right roofing products for you.