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70 posts categorized "Featured"

January 30, 2017

Reviving Rubber in Florida


“We had been hit with almost $51,000 in penalties on a job mandated to use rubber because the bottom kept dropping out of the mix,” says Tim Carter, quality control at P&S Paving based in Daytona Beach, Fla. “These AC content anomalies were just killing us. Until Evoflex® RMA turned things around.”

Such was the predicament of Carter’s team at P&S Paving in November of 2016. They found themselves paving an 11-mile stretch of State Road 19 in Putnam County near the Ocala National Forest. Almost an hour and a half from the mix plant, Carter’s team began the 16,000-ton job using an alternative PG 76-22 asphalt rubber binder (ARB) for the 12.5 mm friction course mix. But after multiple attempts to meet density requirements, Carter’s team needed an alternative solution.

Enter Ingevity’s Evoflex RMA, a hybrid pelletized additive for mixes that mandate the use of rubber. RMA is unique because it combines ground tire rubber (GTR), SBS polymer and Ingevity additives into an easy-to-use-pellet. Evoflex RMA allows the use of existing plant blending equipment; consistently produces on-spec binders; and comes with the world-class technical support that customers expect from Ingevity.

“Many contractors think it’s extremely difficult to achieve density with a stiff binder containing rubber,” says Lance Brooks, technical marketing manager at Ingevity. “That’s just not true. This project was an hour and a half haul; was paved in cool November and December ambient temperatures; and had a PG 76-22 hybrid ARB binder. The binder even sat in the tank for almost two months after being blended at the liquid supplier’s asphalt terminal.”

“The specification required 93% density,” reports Carter. “We achieved 93 to 94 percent throughout the mat. We have worked with Ingevity and know the great technical service we get from the team, so this made our choice to use RMA much easier. But even for contractors or asphalt suppliers unfamiliar with Ingevity’s products, these results speak for themselves.”

Crew members on the job remarked about how easily the mix went down using the standard rolling pattern and were surprised to have such workable material with the stiff PG grade and rubber added.

“The Evoflex was a game changer,” shares Carter. “We went from scratching our heads and getting hit with penalties pre-Evoflex RMA, to celebrating and winning a bonus after we began using it. We made back almost all of our losses with RMA.”

Click here to learn more about Evoflex RMA or contact evoflex@ingevity.com.

January 25, 2017

Warming Up The Inauguration

Penn Ave

For over 200 years, the presidential procession and inaugural parade have marked the beginning of the new U.S. Commander in Chief’s term in office. Although the majesty of the procession and swearing-in ceremony garner most of the attention, the behind-the-scenes preparations for an event of such grandeur cannot be overlooked. Beginning months prior to the January 20th celebration, the parade route must undergo significant construction and beautification projects. It is here that Ingevity’s Evotherm® is making some history of its own.

As part of the infrastructure improvements leading up to the event, the blacktop along the parade route gets a facelift. The already-plunging temperatures in Washington, D.C. in late October are a large consideration when paving. For the second inauguration in a row, Evotherm warm mix asphalt technology was selected as the preferred technology.

Ryan Bragg, field and applications engineer, explains: “Usually the Washington D.C. Department of Transportation releases the bid for this project last minute and it typically becomes a rush to finish before the cold weather sets in. The contractor in charge was looking for a product that would help with compaction and workability in the cold weather because they would be paving a very thin lift (only 1-¼ inches) in 40 degree temperatures at night.” Traditionally, a lift this thin will experience rapid heat loss from both the surface it is being placed on, as well as the colder outside air. By using Evotherm, the contractor ensured a longer window for the crews to achieve required compaction numbers on this job during the last week in October.

“It is both humbling and flattering that Ingevity’s technologies continue to be the go-to choice for high profile projects. It’s a great testament to what our team has accomplished with Evotherm,” says Jonathan MacIver, business director. “Contractors in the D.C. area look to our warm mix technology when they must be able to meet compaction and workability requirements despite the cold weather.”

How can Evotherm bring some warmth to your next project? 

December 07, 2016

Faces of Evotherm: Bob Siffert


Bob Siffert is the kind of guy you can have lunch with and cover everything from Richard Simmons, natural talents and a great throwback story from a jobsite. Sound like fun? That’s an understatement when describing this technical marketing manager based in Boise, Idaho. Fast forward through the part where he tells you that he takes pride in helping contractors understand the value of WMA and enjoys being a part of crews’ transitions from HMA to WMA, and you get to all the best parts.

What’s your idea of happiness?

Paving boots and long, cool walks on 240 degree WMA.

Your idea of misery?

Being burned alive by 340 degree HMA.

If not yourself, who would you be?

Richard Simmons.

Name your hero in life.

Richard Simmons, of course.

Where would you like to live?

The wilderness.

What natural talent would you like to have?

A photographic memory.

Tell us about your favorite memory on a project.

All seemed to be lost when we had a long haul mountain project that was held up for seven hours due to rain. We were certain that the line of 17 trucks would be sent home with cold asphalt when, to our surprise, we discovered the mix was a chilly 170 to 190 degrees behind the screed. We rolled it once and nothing happened. We rolled it twice and nothing happened. We rolled it a third time and by some miraculous, Evothermic development, the mix came back to life. The words "Hit it again!" rang out several more times and by the time they dropped the gauge on the mat, passing density numbers had been born. It was epic.

When he is not imagining life as Richard Simmons or telling epic tales, Bob can be found enjoying life while hunting, fishing, hiking, and mountain biking.

October 26, 2016

Faces of Evotherm: Ben Bredenkamp

BenThose who know Ben Bredenkamp, know that he is defined by a never ending smile, a wicked, self-deprecating sense of humor, and the ability to engage just about anyone in conversation. By day, he’s a Technical Marketing Manager for the states of Kentucky, Louisiana, Tennessee and West Virginia, and recently wrote and presented “Optimizing Recycled Materials Content” at the 2015 Plant Mix Asphalt Industry of Kentucky (PAIKY) Winter Training School. Outside of the office, he serves as Chief Comic Officer for the friends and family in his life. You’ll see…

Name the key aspects of your role at Ingevity.

Adding value to my customers’ businesses, building relationships, having fun, improving the quality of roadways for the public, and bringing the average height of the team up by a few inches.  

What gets you out of bed in the morning?

Seeing my son for the first time every day, building relationships with customers beyond business requirements, and working with the people who are actually building America. Many people say that they have built or are building this country, but my customers are actually doing it.

What achievements in your life are most important to you?

My wife, Katie, and my son, Logan; Winning “Jump Rope Across America” at Copeland Elementary in 1995; Getting asked to leave an Old Country Buffet for eating too much in high school; Making eye contact with Darius Rucker at brunch in Charleston once.

You're stuck in an elevator for four hours. What items do you wish you had?

Snacks and the original Broadway recording of “Cats.”

What do you feel qualified to teach?

“Diaper Changing For Time,” a professional wedding attending course, and “How To Iron a Men’s Button Down Shirt Properly.”

If you were independently wealthy, how would you spend your time? 

If you count American Airlines miles as wealth, then I am independently wealthy.

Who is the most courageous person you have ever met? 

My grandmothers. My maternal grandmother had ten kids and my paternal grandmother had 12 kids. That is courage.

What books would you encourage others to read? 

“Gates of Fire,” by Steven Pressfield, “Living with a SEAL,” by Jesse Itzler, and “Drummer Hoff Fired it Off” by Barbara Emberley.

What's your favorite quote or line from a person, book, movie?

A line from Viktor Frankl in “Man’s Search for Meaning”: “Everything can be taken from a man but one thing: the last of the human freedoms—to choose one’s attitude in any given set of circumstances, to choose one’s own way.”


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  • Jason Bausano Ryan Bragg Lance Brooks Will Cabell Everett Crews Heather Dolan Dean Frailey Tejash Gandhi Jason Mapes, Quality Jonathan Maclver Jenna Michael Mike O'Leary Bryan Pecht