April/May 2016

Concrete Contractor April/May 2016

Basalt Fiber Reinforced Polymer (BFRP) rebar is new technology that holds good promise for the construction industry. Basalt rock is heated to a molten stage and formed into the fibers you see at the lower part of the photo. Then they are mixed with epoxy resins and molded into the rebar shown above.

Basalt Fiber Reinforced Rebar

Diamond polishing overlay toppings is a significant part of the market so Diamatic, a manufacturer of diamond grinding equipment, decided to develop an overlay product with favorable polishing qualities. Its low shrinkage and hard wearing characteristics, gains strength quickly, and produces a high-polish surface.

A Decorative Mix for Diamond Polishing

DSC04939 56fbf21e01738

How to Manage Moisture Loss and Temperature of Freshly Placed Concrete

DSC04939 56fbf21e01738

How to Manage Moisture Loss and Temperature of Freshly Placed Concrete

Lines formed by the bubbling and subsequent movement of hydrogen at the interface of new, untreated aluminum forms and concrete prior to initial set are commonly misunderstood as cracks. This wall is more than fifteen years old and exposed throughout its duration with no protective coating. It is a yard wall formed for the sole purpose of pre-treating new aluminum forms, a process they no longer use due to manufacturer pre-treatments.

Formed Finish Not a Structural Concern

Prepare Early for OSHA’s Silica Dust Regulations

Last month OSHA issued the final rule on silica dust exposure. Here's what you need to know and how you can prepare to be in compliance.

April 13, 2016

How to Manage Moisture Loss and Temperature of Freshly Placed Concrete

Curing, the action taken by contractors to maintain adequate moisture and temperature of freshly placed concrete, promotes the chemical hydration of the cementitious materials within the concrete.

April 13, 2016

DSC04939 56fbf21e01738

Formed Finish Not a Structural Concern

The Concrete Foundations Association explains the references supporting the decisions to form cast-in-place concrete with any material and why aluminum is not a structural concern when used as the form.

April 13, 2016

Lines formed by the bubbling and subsequent movement of hydrogen at the interface of new, untreated aluminum forms and concrete prior to initial set are commonly misunderstood as cracks. This wall is more than fifteen years old and exposed throughout its duration with no protective coating. It is a yard wall formed for the sole purpose of pre-treating new aluminum forms, a process they no longer use due to manufacturer pre-treatments.

Things to Consider When Choosing a Concrete Overlay

When considering if an overlay is right for your client it's important to paint wide strokes of possibilities, but root expectations in the complexities of the install.

April 13, 2016

CTS Rapid Set TRU Self-Leveling Overlay is a hydraulic cement-based, self-leveling topping, re-surfacer and underlayment for both indoor and outdoor jobsites. The product cures to a light off-white color. It is ideal for floors that are stained, integrally colored, and those with decorative embedded aggregate flooring.

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