Vulkem 350

Tremco Vulkem 350 Roller Grade Base Coat is a single-component urethane membrane ideal for waterproofing concrete and metal surfaces. Supplied in a 5-gallon pail in grey, it offers crack-bridging up to 1/16″ and conforms to a wide range of industry certifications, including ASTM, NFPA, UL, LEED, and Miami-Dade County.

Vulkem 350 Waterproofing System – Florida Construction Supply

The Vulkem 350 waterproofing Florida system is a liquid-applied, single-component polyurethane basecoat designed for protecting concrete decks, balconies, and walkways. This high-performance membrane is ideal for Florida’s humid climate, offering reliable protection and long-term durability for pedestrian and vehicular traffic areas.

As part of the Tremco system line, the Vulkem 350 waterproofing Florida product is trusted for commercial and residential projects that require high moisture resistance, especially in coastal and high-humidity environments.

Benefits of Polyurethane Deck Coatings

  • Ideal for high-moisture areas like pool decks and exterior walkways
  • Forms a seamless, elastomeric membrane for long-term durability
  • Excellent resistance to ponding water, chemicals, and UV exposure
  • Compatible with Vulkem 950NF topcoats for enhanced system performance

This system cures to form a tough, rubber-like coating with excellent adhesion to concrete and plywood substrates. Vulkem 350 is also suitable for use in multi-layered traffic coatings when combined with topcoats and intermediate layers. Perfect for commercial, industrial, and residential applications across Florida and beyond.

Fast U.S. shipping available. Contact Florida Construction Supply for bulk orders and expert support.

Storage & Packaging

  • Available in 5-gallon pails
  • Store in cool, dry conditions
  • Shelf life: 12 months unopened

Product Properties

Property Value
Product Type Polyurethane Basecoat
Application Method Roller or squeegee
Cure Time 4–6 hours at 75°F
Coverage 50–100 sq. ft. per gallon
Color Gray
VOC Content < 100 g/L
Region Availability United States (with focus in Florida)

Compatible Vulkem System Combinations

The Vulkem 350 basecoat is used in many complete traffic and pedestrian waterproofing systems. Explore system assemblies below:

Need a low-VOC version of this product? You’re viewing Vulkem 350. See Vulkem 350NF for the odor-sensitive basecoat.

Learn more about Vulkem 350 specifications on the Tremco official website.