Concrete Construction Online Magazine: Problem Clinic & Troubleshooting

Efflorescence: Causes and Solutions

Fri, 15 Mar 2013 05:19:12 EST

A look at what causes efflorescence and how it can be removed.

How to Minimize and Repair Popouts

Thu, 17 Jan 2013 02:39:20 EST

Popouts occur when small portions of the surface mortar break away from the flatwork.

How Common is Out-of-Joint Cracking?

Wed, 19 Dec 2012 01:38:52 EST

A contractor considers replacing a driveway after cracks appear.

Repairing Bugholes

Mon, 1 Oct 2012 06:06:05 EST

Bugholes commonly occur in vertical cast-in-place concrete.

Repairing Floor Abrasions

Tue, 2 Oct 2012 04:02:29 EST

Avoid scratching and gouging a polyaspartic floor coating.

Applying Polyurea Coatings

Mon, 1 Oct 2012 04:10:04 EST

Surface preparation is 80% of the job.

Craze Cracks

Mon, 1 Oct 2012 03:52:36 EST

These fine, random cracks on the surface of concrete are just aesthetic, not structural.

Water- Versus Solvent-Based Sealers

Fri, 16 Dec 2011 01:34:25 EST

Knowing the differences between various sealers will help you determine which one is right for your job.

Selecting and Using Bond Coats

Tue, 5 Jun 2012 04:59:16 EST

Using the wrong bond coat is a major reason for failing to join two concrete surfaces.

Finding the Right Sealer for the Job

Fri, 16 Dec 2011 01:28:58 EST

No single concrete sealer is appropriate for all projects. They are chemically different and are designed for different purposes.

Coating Tilt-Up Concrete Walls

Tue, 5 Jun 2012 04:57:54 EST

Procedures for coating concrete surfaces are different from other surfaces, and tilt-up surfaces require special preparation.

Polymer-modified Mortars

Mon, 1 Oct 2012 06:05:13 EST

It helps to understand some of the basics about why polymers are added to cement formulations.

Proper Prep Before Work Starts

Thu, 16 Dec 2010 01:21:14 EST

I'm relatively new to the concrete polishing business. My company has been involved in treating stone and tile floors for years, and recently began to polish more concrete surfaces. Recently, we were asked to bid on a project that featured a concrete floo

Moisture Problems with Concrete Slabs

Tue, 21 Dec 2010 01:54:46 EST

Why does it seem that moisture-related flooring problems are more common today than in the past?

Decorative Problem Clinic

Fri, 10 Dec 2010 06:15:16 EST

Stamped concrete and pool popouts are the topic of this month's problem clinic.

Clear Water Repellent Treatments for Concrete Masonry

Tue, 21 Dec 2010 01:54:03 EST

We are considering bidding a project that would involve applying a clear water repellent on a recently constructed concrete block building. How should we approach the selection process for the proper material?