Willseal – Pre-Compressed Joint Sealants

The original brand of pre-compressed joint sealants, Willseal constantly raises industry standards while continuing to expand around the globe. Willseal products have been specified and successfully installed on thousands of construction projects worldwide. Willseal is committed to bringing intelligent solutions to our customers by utilizing technology-driven designs to create superior sealant systems.

  • 100% Movement From Mean Joint Size (+ / - 50%)
  • Designed to be More Than “Waterproof at the Surface Level”
  • 100% Bonded Laminations
  • Waterproof Through Full Range of Motion
  • Custom Sizes and Shapes Available
  • Larger Sizes
  • Faster Turnaround
  • Easier Installation
  • Permanently Elastic
  • UL Fire Rated Joints Available
Worker installing pre-compressed joint sealant on concrete slab
Quality
  • Willseal products meet DIN 18542, the world’s most demanding standard, specifically for pre-compressed sealants.
  • Willseal products are independently tested for water and air tightness. Lab results are available for ASTM 283, ASTM 330, ASTM 331 & ASTM 547.
Innovation
  • Willseal products are solid sealants with a uniform core, no unbonded lamination, and no cheap filler foams.
  • Fire rated systems have a first in class integral smoke barrier to provide additional security and life safety.
  • Willseal horizontal seals contain a specially designed water-barrier, laminated internally and tested to 30 PSI of head pressure.

Willseal vs. Emseal - Cross Reference Guide

Willseal
Willseal 150
Acrylic primary vertical seal in black or grey
Emseal
25 V
Asphalt primary vertical seal in black
Willseal
Willseal 250
Acrylic +/-50% horizontal joint system – also available for split slab
Emseal
20H (Asphalt)
DSH (Asphalt)
DSM (Acrylic)
DSM is only rated for ±30%/-25% as dual seal
Willseal
Willseal 600
Breathable, 600Pa primary or secondary applications
Emseal
Backerseal/Greyflex
Secondary only, not UV or waterproof unless behind caulk
Willseal
Willseal Seismic
DOW 790 color and Pecora 896 silicone colors, custom colors, and other sealants
Emseal
Seismic Colorseal
DOW 790 and Pecora 896 silicone colors
Willseal
Willseal Seismic DS
Coated on both sides: DOW 790 and Pecora 896 silicone colors, custom colors and other sealants
Emseal
Double-sided Seismic Colorseal
Coated on both sides:
DOW790 and Pecora 896 silicone colors
Willseal
Willseal Seismic HS
Willseal Seismic supplied with epoxy for non-traffic horizontal use
Emseal
Horizontal Colorseal
Seismic Colorseal supplied with adhesive for horizontal non-traffic use
Willseal
Willseal FR-V
- Vertical 2 or 3 Hour Fire Rated
+/- 25% Movement (50% Total Movement)
+/- 50% Movement (100% Total Movement)
- Available uncoated, coated on one side or coated on both sides. DOW 790 and Pecora 896 silicone colors, custom colors, other sealants, and pick resistant urethane (Dynaflex)
Emseal
WFR2
WFR3
- Vertical 2 or 3 Hour Fire Rated +/- 25% Movement (50% Total Movement)
- Only Available with silicone and intumescent
Willseal
Willseal FR-2H
- Horizontal 2 or 3 Hour Fire Rated
+/- 25% Movement (50% Total Movement)
+/- 50% Movement (100% Total Movement)
- Available uncoated, coated on one side or coated on both sides. DOW 790 and Pecora 896 silicone colors, custom colors, other sealants, and pick resistant urethane (Dynaflex)
Emseal
DRF2
DFR3
- Horizontal 2 or 3 Hour Fire Rated
+/- 25% Movement (50% Total Movement)
- Only available with Silicone and Intumescent
Willseal
Willseal Pureseal
Coated with NSF 61 approved coating for potable water applications
Emseal
DSF
Coated with NSF 61 approved coating for potable water applications
Willseal
Willseal Safeguard
Pick resistant urethane sealant (Dynaflex)
Emseal
SecuritySeal
Pick resistant urethane sealant (Dynaflex)
Willseal
Willseal Barrikade
Coating with highly chemically resistant (Vitone Coating System)
Emseal
None Available
-
Willseal
Willseal Spectraseal
Permeable colored secondary seal supplied in rolls
Emseal
None Available
-
Willseal
Willseal Coreseal
- EVA Closed Cell Foam
+/- 25% Movement (50% total Movement)
- Horizontal Applications
Emseal
None Available
-
Willseal
Willseal Color Coreseal
- EVA Closed Cell Foam
+/- 25% Movement (50% total Movement)
- Vertical Applications
Emseal
None Available
-
Willseal
Willseal Subseal
For use in below grade applications exposed or those exposed to head pressure
Emseal
Submerseal
For use in submerged applications
Willseal
Willseal Amorcete
Winged gland & nosing
Emseal
ThermaFlex
Winged gland & nosing
Willseal
Willseal Acousti-Seal
Used as an air barrier and to reduce sound transmission, with or without silicone face(s)
Emseal
QuietJoint
Sound Reduction