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

Direct contact

Master Builders Solutions Technical Support

Construction Systems


Safety Data Sheet (SDS)

Find all available safety data sheets for this product.

Product Certifications

Generate a free certificate of conformance for a specific BASF construction product.

Related Literature

Certification Letter

pdf (54.02 Kb)

Color Reference

pdf (166.17 Kb)

Data Guide

pdf (136.68 Kb)

Data Guide (French)

pdf (108.21 Kb)

Guide Spec

doc (146.00 Kb)

LEED Letter

pdf (285.35 Kb)

LEED Letter

pdf (73.02 Kb)

LEED v4 Letter

pdf (285.35 Kb)

zip (46.13 Kb)