![Ultraplan Marine 1400 Ultraplan Marine 1400](https://cdn11.bigcommerce.com/s-ujlcvl46h6/images/stencil/300x300/products/2282/4077/3009840-ultraplan-marine-1400__42776.1611891198.png?c=1)
Lightweight, Fiber-Reinforced, Quick-Setting, Self-Leveling Underlayment
Ultraplan Marine 900 is a lightweight, fiber-reinforced, quick-setting, self-leveling underlayment for interior decks. It can withstand light foot traffic after 2 to 3 hours and rubber-wheel traffic after 3 days. Thanks to MAPEI’s High-Hydrated Cement Technology (HCT™), Ultraplan Marine 900 offers superior drying-out characteristics for quick curing and does not contribute to efflorescence.