Overview
Polyglass VertiWrap® NPL LT is a single-component, vapor-permeable fluid-applied air barrier membrane designed for commercial wall assemblies and low-temperature building envelope applications. Engineered for dependable performance during cooler weather conditions, NPL LT forms a seamless monolithic membrane that helps reduce uncontrolled air infiltration while allowing vapor permeability.
The 55 gallon drum configuration is ideal for contractors handling larger commercial projects requiring extended spray times, fewer material changeovers, and improved production efficiency.
The 55 gallon drum size supports production-scale fluid-applied air barrier installations using professional airless spray equipment commonly found on commercial construction projects.
Key Features
- Low-temperature application formulation
- Vapor-permeable air barrier membrane
- Single-component ready-to-use material
- Seamless monolithic membrane protection
- Spray, roller, or brush compatible
- Helps reduce uncontrolled air infiltration
- Ideal for large commercial applications
Applications
- Commercial wall assemblies
- Exterior building envelope systems
- Cold-weather installations
- Large commercial spray applications
- New construction and retrofit projects
Application Methods
- Airless spray application
- Roller application
- Brush application for detailing and transitions
Recommended Equipment
VertiWrap® NPL LT can be applied using professional single-component airless sprayers commonly used for fluid-applied air barriers and commercial coatings.
- Graco GH 833
- Graco Mark V
- Graco Mark X
- Graco Ultra Max II series
Higher-output airless sprayers are commonly used for production-scale commercial wall assemblies and large membrane applications.
Why Contractors Use VertiWrap NPL LT
Contractors choose VertiWrap® NPL LT for its dependable low-temperature application performance, vapor permeability, and seamless membrane protection. The 55 gallon drum format supports longer spray runs and increased productivity on larger commercial projects.
Material Type
Single-Component Fluid-Applied Air Barrier
Package Size
55 Gallon Drum
Manufacturer
Polyglass USA
Manufacturer SKU
NPLLT-55
FAQs
What is VertiWrap NPL LT used for?
VertiWrap NPL LT is used as a vapor-permeable fluid-applied air barrier membrane for commercial wall assemblies and building envelope systems.
What does LT stand for?
LT stands for low temperature, meaning this formulation is designed for improved application and curing performance during colder weather conditions.
Is VertiWrap NPL LT vapor permeable?
Yes. It is designed to allow vapor transmission while reducing uncontrolled air infiltration through the wall assembly.
Can VertiWrap NPL LT be spray applied?
Yes. It is commonly applied using professional airless spray equipment but can also be rolled or brushed depending on project requirements.
What sprayers are commonly used with VertiWrap NPL LT?
Commonly used sprayers include the Graco GH 833, Mark V, Mark X, and Ultra Max II series depending on production requirements and jobsite conditions.
Why choose the 55 gallon drum size?
The 55 gallon drum configuration is ideal for large commercial applications requiring longer spray times, reduced downtime, and improved production efficiency.
Do you offer equipment support and training?
Yes. Spray Foam Systems offers equipment guidance, application support, and bilingual customer service for contractors working with fluid-applied air barrier systems.
