MasterSeal NP 100: High performance hybrid sealant


How does MasterSeal NP 100 work?

MasterSeal NP 100 is formulated with unique BASF polymers that allow for versatile adhesion to a variety of substrates while accommodating high movement and providing long term durability. MasterSeal NP 100 is a high performance, low modulus, high movement, non-sag, fast curing, and ready-to-use hybrid sealant. It combines the best qualities of organic and silicone sealants to keep moving joints weather-tight.

Recommended uses:

  • Vertical or horizontal
  • Exterior or interior
  • Above grade
  • For sealing a variety of building joints against water and air intrusion
  • Joints with extreme movement
  • Storefront systems
  • Expansion joints
  • Panel walls
  • Precast units
  • Aluminum, vinyl and wood window frames
  • Fascia
  • Parapets
  • Sanitary applications
  • Roofing

What are the unique features of MasterSeal NP 100?

  • Superior adhesion to a variety of substrates resulting in a long term bond
  • Low modulus, formulated for joint movement of ±50%
  • Resists chalking, cracking and fading to maintain long lasting weather-tight seals
  • Wide temperature application range
  • Several packaging options available including easy to open plastic pails
  • Meets all state and federal VOC regulations
  • Tint Base option available to provide a wide variety of colors

What are the benefits of MasterSeal NP 100?

  • Compatible with elastomeric coatings and can be painted soon after installation
  • Easy to gun and tool, which speeds up application and makes neater joint
  • Fast curing sealant with available accelerator option to speed cure times
  • Non-staining formula for use on stone and other sensitive substrates

US / Canada Product Information

Data Guide

Data Guide (French)

Certification Letter

Guide Spec

LEED Letter

LEED v4 Letter

Color Reference - MasterSeal NP 100

Color Reference - MasterSeal Single Components

Color Portfolio - MasterSeal Most Popular Colors

Safety Data Sheets - Anodized Aluminum

Safety Data Sheets - Aluminum Gray

Safety Data Sheets - Black

Safety Data Sheets - Buff

Safety Data Sheets - Limestone

Safety Data Sheets - Medium Bronze

Safety Data Sheets - Hunter Green

Safety Data Sheets - Off White

Safety Data Sheets - Redwood Tan

Safety Data Sheets - Special Bronze

Safety Data Sheets - Stone

Safety Data Sheets - Tan

Safety Data Sheets - Tint Base (US)

Safety Data Sheets - Tint Base (Canada)

Safety Data Sheets - White


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.


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