ElastiSeal® B-100 Butyl Rubber Sealant is a single component, solvent release butyl based sealant specifically designed to provide excellent exterior weathering properties. It is easy to apply and tool and exhibits superior adhesion to a variety of clean surfaces. ElastiSeal® B-100 Butyl Rubber Sealant is an excellent choice for exterior sealing applications and is compat- ible with an array of substrates such as glass, metals, concrete, wood, masonry and some plastics.

Chemical FamilyButyl Rubber

Product Type1K (1 component) Sealant, Elastomeric Sealant, Solvent Release Sealant, Solventborne Sealant

Application AreaGlass Surface

Compatible Substrates & SurfacesConcrete, Glass, Masonry, Metal, Plastics, Wood

FeaturesEasy To Apply, Excellent Sealing Capability, Excellent Substrate Adhesion, Flexible, Good Weather Fastness, Good Weather Stability, Solvent-Based

Technical Data Sheet

Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Product Features
  • Excellent adhesion - adheres to a variety of sur- faces without primer
  • Permanently flexible
  • Non-stringing formula is easy to apply
  • Non-staining formula does not discolor surfaces

Applications & Uses

Application Area
Compatible Substrates & Surfaces
Basic Use

ElastiSeal® B-100 is used in architectural working joints, butt and miter joints, and tooled joints.

ElastiSeal® B-100 - Basic Use

Applicable Standards
  • AAMA 808.3-05 Exterior Perimeter Sealing
  • USDA Certified
  • ASTM C 1311-Solvent Release Sealants in Building Construction, max joint movement of ± 7.5%
  • Federal Specifications
    • TT-S-001657 Type I - Butyl Rubber, Solvent Release Sealing Compound for Buildings
    • TT-C-1796A - Caulking Compound for Metal and Wood Seam
  • All surfaces to be sealed or bonded must be clean and dry and free from contaminants. Primer may be required for certain surfaces.
  • ElastiSeal® B-100 is not recommended for use in window glazing applications or hidden joint details, which require a non-skinning, non-hardening sealant.
Application Instructions
  • All Surfaces must be clean and dry.
  • Apply with standard caulking gun.
  • Cut nozzle to desired bead size. Puncture inner seal
  • Apply at a 45 angle using constant pressure.
  • Use at room temperature for ease of gunning.
  • Tool or join surfaces for sealing before material skins.
  • Support tooled or joined surfaces for 8 hours minimum.
  • Use VM&P Naphtha or Mineral Spirits to remove excess material before skin forms.
Clean Up

With VM&P Naphtha or Mineral Spirits


Typical Properties
ValueUnitsTest Method / Conditions
Specific Gravity1.3ASTM D1475
Press-Flow Viscosity (at 40 psi)max. 3seconds/gramASTM D2452 (modified)
Sag or Flowmax. 0.15inchASTM D2202
Tack Free Time2HoursASTM D2377
Solids Contentmin. 80%ASTM C681
VOC Content250g/LASTM D3960
Shrinkagemax. 20%ASTM D2453
Method of CureSolvent Release. Cured in 21 days.ASTM D2377
Stain Indexmax. #3ASTM D2203
Flash Point40°CASTM D56
Application Properties
ValueUnitsTest Method / Conditions
Service Temperature-29 to 93°CASTM D3359
Application Temperature4 - 49°CASTM C603
Storage18 - 48°CASTM D1337

The foregoing information is published as general information only. The listed properties and performance characteristics are approximate values and are not to be interpreted as manufacturing specifications.

Packaging & Availability

Regional Availability
  • North America
Packaging Information
  • 11 fluid ounce cartridge
  • Five gallon Pail
  • 55 gallon Drum

Storage & Handling

Shelf Life
1 year