Blankenship Concrete Polishing LLC

10/12/2025

02/19/2025

DID YOU KNOW

There are 3 types of semi rigid Joint Failures

Joint filler failures in concrete, which include adhesive failure, cohesive failure, and concrete failure, can jeopardize the durability of industrial floors. Here's a breakdown of these issues and practical recommendations:

Adhesive Failure:
Causes:

Improper surface preparation (e.g., dirt, debris, or moisture on joint walls).

Lack of primer or incorrect primer application.

Incompatible filler and substrate materials.

Excessive joint movement beyond the filler's bonding capacity.

Recommendations:

Thoroughly clean and dry joint surfaces before application.

Use manufacturer-recommended primers for better adhesion.

Select fillers compatible with the substrate and designed for expected joint movement.

Cohesive Failure:

Causes:

Internal tearing of the filler due to excessive tensile stress from joint movement.

Using fillers with insufficient tensile strength or flexibility.

Premature filling before concrete shrinkage stabilizes.

Recommendations:

Delay filler installation for 60-90 days after concrete placement to allow for shrinkage.

Choose high-quality semi-rigid fillers with adequate tensile strength.

Ensure proper joint design to limit excessive movement.

Concrete Failure:

Causes:

Spalling or cracking at joint edges due to inadequate filler support or heavy traffic loads.

Improper filler depth or underfilling joints, leading to uneven load transfer.

Weak concrete substrate or voids beneath the slab.

- Recommendations:

Fill joints to their full depth without using compressible backer rods in traffic-bearing joints.

Repair damaged concrete edges before applying fillers for a stable substrate.

Use sub-slab void filling techniques if needed to reinforce weak areas.

General Best Practices:

Stabilize building temperature before application, especially in temperature-sensitive environments like cold storage facilities.

Follow manufacturer guidelines for filler application, curing times, and joint dimensions

10/07/2024

Wanted to give a shoutout to everyone that helped to make this project a success. Eric Witcher, Superabrasive Inc., FLOORmaps INC, and EZ Polish with the Custom Orange color EZ Dye

09/30/2024

Getting ready to start the next new adventure. 4,500 panels to be grouted, dyed, and polished.

09/21/2024

Can’t stress enough that when sawing construction joints pay attention. Have thousands of feet on this project to repair.

09/16/2024

20,000 sf finally done. Patched a little over 700 holes, repaired about 300 lf of joints, cut off 1/4” to 1” to get rid of trip hazards, then dye and then install line striping. Another great looking project from the team.