Description
Polyurethane Topcoat
The featured topcoat for EMC’s signature Marine Finish System, this hybrid two-component polyurethane topcoat brings aerospace quality finish to heavy duty and decorative marine craft.Available in marine and custom colors, not for use below the waterline.
- Ultra-high gloss and gloss clarity (DOI)
- Can be polished after application to remove dust, bugs and imperfections
- Apply by spray, brush or roller
- Mix ratio: brush 2:1, spray 1:1
Quantum99 Polyurethane Topcoat Base
The core of the Quantum high solids repairable topcoat system, Quantum 99 is a revelation. DIYers & pros alike can achieve professional results by brush, roller, or spray. Quantum 99 finishes have unmatched durability and gloss, plus superior stain and weather resistance. Unlike other topside systems, Quantum 99 finishes can be repaired by wet sanding and buffing.
- Twice the solids means a gallon goes twice as far
- Shorter cure times
- Lasts 3 times longer than comparable paints


![Whitecap C.P. Brass Sillcock 1-5/8″ Base 3-3/16 Depth[P-2452C]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/whitecap-c-p-brass-sillcock-1-5-8-base-3-3-16-depth-p-2452c.webp)
![SmartPlug 50 Amp 50 Dual Configuration Cordset w/Marina Park Power End [C50504]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/smartplug-50-amp-50-dual-configuration-cordset-w-marina-park-power-end-c50504.webp)
![Dometic 25 Insulated Flex R4.2 Ducting/Duct – 4″ [9108549910]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/dometic-25-insulated-flex-r4-2-ducting-duct-4-9108549910.webp)
![Blue Sea 7542 C-Series Flat Rocker Circuit Breaker – Single Pole – 15A [7542]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-7542-c-series-flat-rocker-circuit-breaker-single-pole-15a-7542.webp)
![Blue Sea 1455 4 Position Switch CLB Square[1455]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/blue-sea-1455-4-position-switch-clb-square-1455.webp)

![Sudbury Elastomeric Marine Sealant – 10oz Cartridge – White [300]](https://www.durablemarinebattery.com/wp-content/uploads/2026/08/sudbury-elastomeric-marine-sealant-10oz-cartridge-white-300.webp)
