Expansion Joint Blog

Could You Pass UL 2079?

SJS-FR2 — 2-hour Fire Rating Built-In to Seismic Joint System from Sika Emseal Try this:  from a deep, knees-bent squat, stand up to your full height and squat back down again, slowly, taking 6 seconds to complete the cycle.  Do that 400 times.Now squat down and stand up…

Expansion Joint Patents: US Patent And Trademark Badge

US Patent Office Continues to Recognize EMSEAL Expansion Joint Innovation

Update December 14, 2021: On November 23, 2021 US Patent 11,180,995 issued. This patent broadens coverage on Sika Emseal’s  fire-rated tunnel expansion joint systems. Update March 29, 2021: On March 9th, 2021 US Patent 10,941,562 issued, and on March 2, 2021 US Patents 10,934,702,  and 10,934,704 issued. All…

Do Expansion Joint Leaks Plague your Projects?

«We have come to realize that our projects show more problems with expansion joints than all other product categories combined. Yet, expansion joints are a miniscule part of projects in terms of construction costs. How can we work together to produce trouble-free joint seals?» Received in a letter…

Rough expansion joint substrates. Got it Rough? You Need SEISMIC COLORSEAL for Rough-Faced Expansion Joint Substrates

Got it Rough? Sealing Rough-Faced Expansion Joint Substrates

Rough expansion joint substrates are actually very common. We were contacted recently about rough limestone and its suitability as a substrate for an expansion joint. It’s a great question because so many of the old technologies — compression seal, strip seal, closed-cell foam — would have left this building…

The above blueprint was taken from an actual set of design documents produced by a firm tired of the endless stream of RFI's and change orders that resulted from ignoring or delaying the consideration of expansion joints until during construction. Beyond the delays and cost overruns, their projects additionally typically had a legacy of leaks. Having adopted the EMSEAL approach to expansion joint design, their projects are instead now distinguished by trouble-free expansion joints.

EMSEAL Expansion Joint WEBINARS

EMSEAL now offers dynamic informative webinars allowing you a complete understanding of watertight expansion joints. Each session touches on many of the features offered in a successful system including movement capabilities, thermal and acoustic integrity, UL fire-ratings, aesthetics, traffic durability and more.  Discussions revolve around the benefit or…

The Need for a Better Seismic Expansion Joint

The need for a better seismic expansion joint drove the development of the SJS System from Emseal–here’s a summary video to show you the result:  Research, observation, and conversations with engineers and owners pleading for a better option than noisy, leaking cover-and-gutter systems drove the development goals…

parking expansion joint fabrication emseal transition top

ON THE SHOP FLOOR: Expansion Joint Transitions Watertight, Leak Checked

Our amazing, smiling, weld team continue to crank out parking garage expansion joints customized to follow any changes in plane and direction you throw at them. And, yes, they are smiling! Here they’ve not only taken our Thermaflex winged joint through a complex double/dogleg tee, but they’ve provided…

Building expansion joint webinars - Emseal

EMSEAL Expansion Joint WEBINARS

EMSEAL now offers dynamic informative webinars allowing you a complete understanding of watertight expansion joints. Each session touches on many of the features offered in a successful system including movement capabilities, thermal and acoustic integrity, UL fire-ratings, aesthetics, traffic durability and more.  Discussions revolve around the benefit or…

Skybridge expansion joints from JFK terminal to TWA Hotel sealed with Emseal

Saarinen Soars, Emseal Seals – The Adaptive Reuse of an Icon – TWA Hotel

In the TWA Hotel project at JFK International Airport our Seismic Colorseal expansion joint material plays a small but critical role in sealing some of the tapering, varying, compound curved junctions in Eero Saarinen’s masterpiece the TWA Flight Center. This icon of art, aviation and architecture has now…

EMSEAL SWRI Training Dates are Set for 2018

Expansion Joint Training

EMSEAL’s SWRI-Validated Expansion Joint Training program has been popular among architects, engineers, consultants, contractors, distributors and representatives worldwide. This educational, hands-on installation training program is AIA-registered and offers 8 HSW learning units upon completion. Topics to be covered include: history, design, technology failure analysis, safety, and quality assurance.…