Backstop® NT-VB

A Liquid-Applied Water-Resistive Membrane, Air Barrier and Class I Vapor Barrier

A flexible, polymer-based, noncementitious, air/vapor/water-resistive barrier, which resists water penetration, eliminates air infiltration and is classified as a Class I Vapor Retarder over vertical above-grade walls. It is available in two versions: Backstop NT-VB is applied using a trowel or texture spray equipment. Backstop NT-VB Spray is applied by airless spray equipment. Backstop NT-VB is designed for use with all building claddings as well as Dryvit EIF systems. When used with the Dryvit AquaFlash® System or Dryvit Flashing Tape™, Backstop NT-VB provides an effective air/vapor/water-resistive barrier.

Contact Us

See Product Resources

Benefits of Using Backstop NT-VB in Your Next Project

Adhesion - Vertical

Excellent Adhesion

Provides strong bond to most construction materials without the need for multiple products

Durability - Muscle

Excellent Durability

Can be left exposed to the elements for 180 days without tearoff or damage from wind

Class I Vapor Retarder

Meets Class I Vapor Retarder requirements per IBC and IRC

Versatile Use

Can be used behind all cladding types, including Dryvit EIF systems

Ease of Use

Noncementitious formula will not set-up in the pail, providing extended working time — but is fast-drying once applied

Fully Compatible

Combines with Dryvit flashing components to create a continuous waterproof membrane

Product Comparison

Product Comparison

Backstop® NT-VB

Backstop® NTX Texture and Smooth

Application Temperature

40 °F (4 °C) and rising

25 °F (-4 °C) and rising

Chemistry

Polymer-based fluid

Polymer-based fluid

Exposure Limit

-

6 months

Application Method

Troweled, sprayed

Rolled, sprayed or troweled

Have peace of mind with Dryvit’s One Warranty COVERING a full range of products and brands for your next project.

Discover Our Product Warranty

LEARN ABOUT OUR ONE WARRANTY

Backstop® NT-VB Resources

Download any of these featured resources. For Canada-specific documents, use the dropdown below to visit our Resource Library.

Air and Water Resistive Barriers Warranty (US)

Backstop NT-VB Application Instructions

Tremco CPG LEED Products List - Dryvit EIFS and Exterior Finishing Solutions

Backstop NT-VB Data Sheet

Backstop NT-VB Specifications (PDF)

Or find a specific type of resource

Backstop NT-VB Works With These

Dryvit Systems

Explore all of the Dryvit systems Backstop NT-VB works with for your next project.

† Indicates systems available in both Canada and US
§ Indicates systems available in Canada only
* Indicates systems available in US only

Need more information?

Talk to a Dryvit Representative Today

You May Also Be Interested In...

Backstop Case Studies

Constructed in 1965, the façade of this structure needed a fast and comprehensive renovation to repair substantial weathering and water damage.

500 Pacific Avenue Office Building

Constructed in 1965, the façade of this structure needed a fast and comprehensive renovation to repair substantial weathering and water damage.

See the dramatic transformation of this 100-year-old retail space.

Boston Hill Center's Dramatic Makeover

See the dramatic transformation of this 100-year-old retail space.

A gorgeous Dryvit exterior matches the luxury interior of this Columbus hotel.

The Joseph, Le Méridien

A gorgeous Dryvit exterior matches the luxury interior of this Columbus hotel.

Request A Sample

All swatches shown are for reference only – Dryvit recommends requesting a sample for the truest color and finish experience.

Request a Sample