Vol. 9 No. 7 - November/December 2009 | Concrete Decor
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Vol. 9 No. 7 - November/December 2009

How Polished Concrete Changed the Trajectory of One Contractor's Company

A sun with rays in rainbow colors has been dyed into this concete floor.David Stephenson’s story encompasses everything from AmeriPolish to Wal-Mart to the Cincinnati Reds and Indianapolis Colts and it all began when he discovered polished concrete.

By Kelly O'Brien
November 11, 2009
The World's Largest Quarter-inch Concrete Stamping Job You Park On

Stamped concrete parking garage with directional arrows included.Hong Kong is home to what is billed as the largest quarter-inch stamping job in the world — 600,000 square feet of lines, arrows, and numbers that help condo dwellers park in style.

By Natasha Chilingerian
November 11, 2009
Building Thin-Shell Concrete Structures

There is more than one way to create a concrete home -- and the thin-shell method produces dwellings of unparalleled beauty.There is more than one way to create a concrete home — and the thin-shell method produces dwellings of unparalleled beauty.

By Amy Johnson
November 11, 2009
Using Surface Retarders on Vertical Concrete

Exposed aggregate finishes are in demand on concrete walls. How do you get that rock to pop? One way is to use a surface retarder.Exposed aggregate finishes are in demand on concrete walls. How do you get that rock to pop? One way is to use a surface retarder.

By Chris Mayo
November 11, 2009
Moisture Tests in Concrete: Calcium Chloride vs. Relative Humidity

When good floor coatings go bad, moisture is often the culprit. When good floor coatings go bad, moisture is often the culprit.

Even cured concrete can emit enough moisture to blister, cloud or delaminate a coating, especially when a slab with no vapor barrier sits on ground with poor drainage. The manufacturers of overlays, microcoatings, sealers and specialty coatings set moisture tolerance limits for their products.

By David Thompson
November 11, 2009
An Overview of PVA Fibers and Concrete

When PVA fibers are added to concrete or mortar, the fibers develop a molecular and chemical bond with the cement during hydration and curing.High-performance fibers made of PVA, which is short for polyvinyl alcohol, were developed some 20 years ago. When added to concrete or mortar, the fibers develop a molecular and chemical bond with the cement during hydration and curing. The result: concrete with high tensile strength and amazing ductility.

By Stacey Enesey Klemenc
November 11, 2009
What To Do When A Customer Is Unhappy With the Result

Pink piggy bank with coins around it.You will get complaint calls regarding your contracting, and this day needs to be planned for. Your customer may have a legitimate complaint or may need some educating. Nevertheless, not responding to the complaint will only aggravate the situation.

By Doug Carlton
November 11, 2009
Become an Expert on Concrete Stains and Dyes

Stained concrete patio that shows blues, greens and reds in a circular pattern."Be an expert." Avoiding trying to be all things to all people, instead of focusing in on what they are good at and becoming an expert in that one area.This thought comes full circle when you think about how it relates to decorative concrete, especially in the application of stains and dyes.

By Chris Sullivan
November 11, 2009
A Trip Down Decorative Concrete Memory Lane with The Concretist

From floors to countertops, coloring and staining concrete has brought a lifetime of memories to this contractor. From floors to countertops, coloring and staining concrete has brought a lifetime of memories to this contractor. Columnist and self-proclaimed "concretist" takes us on a trip back to some of his favorite projects over the years.

By Mike Miller
November 11, 2009
Are We On Looking at the Demise of Fly Ash in Concrete?

Piles of different colored fly ash on a blue tabletop.When evaluating the carbon footprint of concrete, we consider the greenhouse gases released during cement manufacturing, aggregate mining, admixture production, and transportation of all the materials to the cement plant and the ready-mix plant and then to the job site. Although there are other sources contributing to the carbon footprint of concrete, cement is the bad actor, despite the fact that we couldn't make concrete without it.

By William D. Palmer Jr.
November 11, 2009
New Surface Treatment Formulated to Keep Ground Cool

Solachrome logoAs part of its effort to improve the environment through green product offerings, L.M. Scofield Co. has developed Solachrome Integral Coloring Treatment for High-SRI Concrete.

By Emily Dixon
November 11, 2009
Specialty Cutting Blades to Make Your Job Easier

A picture of the AirForce F4 by CS UnitecAn overview of different specialty cutting tools, saw blades and chains that will help you on be successful on your next job.

Editors
November 11, 2009
A Grand Fountain Becomes Retail Space Centerpiece

a grand, European-style fountain, more than 16 feet tall with four falls.The Streets at SouthGlenn, a sprawling new shopping destination in south Denver, boasts a block-long urban park with a brick fireplace, tall "legacy trees," gardens and cafes, and a centerpiece: a grand, European-style fountain, more than 16 feet tall with four falls.

Editors
November 11, 2009
Starting Small: Building Concrete Rails and Doors

If a contractor is intimidated by the leap from slabs and tops to entire decorative concrete houses, he or she might try Steve Kornher's techniques on architectural details such as railings or doors.If a contractor is intimidated by the leap from slabs and tops to entire decorative concrete houses, he or she might try Steve Kornher’s techniques on architectural details such as railings or doors.

Editors
November 2, 2009
A Two-Sided Tip: Exposed Aggregate on a Corner Wall

Some of our exposed aggregate pours are more complex than simply pouring a slab and turning it on end,Nick Carosi III of Arban & Carosi Inc. brings up an intriguing point when talking about exposed aggregate on vertical surfaces — what if you’re pouring an L-shaped wall piece? Since gravity’s effect on the settling aggregate is essential to the process, how does a contractor make that work?

Editors
November 12, 2009
Combining Concrete Overlays and PVA Fibers to Fix Cracking

Besides being used to make thin yet durable countertops that don't easily chip or break, a mix of PVA fibers and ductile concrete does an excellent job of fixing cracks in concrete.Besides being used to make thin yet durable countertops that don’t easily chip or break, a mix of PVA fibers and ductile concrete does an excellent job of fixing cracks in concrete.

Editors
November 17, 2009
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