Expansion Joints and Pre-Compressed Sealants

Expansion Joints--Terms and Terminology:


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Expansion Joint and Joint Sealant Glossary Index:

- Adhesion in Tension

- Blockout

- Compression Set

- Continuity of Seal

Expansion Joint

- Nosing Material

- Non-Invasive Anchoring

- Split Slab

- Sound Transmission Class (STC)

- Thermal Shock

Continuity of Seal--The assurance of watertightness in an expansion joint throughout its length and through all changes in plane, direction, and intersection within a single joint sealing technology or between one or more technology types.

This is a great example of what we mean by "continuity of seal" in expansion joints.
In this condition a THERMAFLEX parking deck expansion joint crosses a drive lane, transitions up and over a curb, tees into the perpendicular deck-to-wall joint using our "Shear Pocket" technology, and intersects at an offset wall joint sealed with SEISMIC COLORSEAL that nests into a "boot termination" that protrudes into the wall and is welded into the THERMAFLEX system.

(click to enlarge)

NOTE: The definitions of terms and terminology herein are rooted in the context of use in the field of construction-related joint sealing in EMSEAL's experience.  They are provided with the intent of offering a fuller understanding of the context of their usage. Any suggestions or questions regarding interpretation are welcome and should be directed to content@emseal.com. Thank you.

EMSEAL JOINT SYSTEMS LTD. 25 Bridle Lane, Westborough, MA 01581
EMSEAL LLC. 120 Carrier Drive, Toronto, ON M9W 5R1



1-800-526-8365 -- 508-836-0280 --  techinfo@emseal.com -- Fax: 508-836-0281

Last Modified: April 26, 2015

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