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2024, Braun Intertec Evaluation of PoreShield™ Concrete Sealer

In 2024, the trusted independent testing firm Braun Intertec evaluated the performance of PoreShield™ according to four standard tests for concrete products:

  • ASTM C1585 – Standard Test Method for Measurement of Rate of Absorption of Water by
    Hydraulic-Cement Concretes
  • ASTM C666 – Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing
  • ASTM C672 – Standard Test Method for Scaling Resistance of Concrete Surfaces Exposed to
    Deicing Chemicals
  • AASHTO T259 – Standard Method of Test for Resistance of Concrete to Chloride Ion Penetration

Each test was performed with identical samples of concrete under standard conditions, comparing untreated samples against those treated with PoreShield.

 

Results

ASTM C1585

PoreShield reduced the rate of water absorption by 84% and 79% for the initial and secondary rates, respectively.

 

 

ASTM C666

Results after 300 freeze thaw cycles showed a relative dynamic modulus of 66% for the control samples (C1/C2) and 94% for the samples treated with PoreShield (P1/P2).

 

 

ASTM C672

After 50 cycles of freezing and thawing, control samples showed severe scaling in which the coarse aggregate is visible over the entire test surface while the samples with Poreshield showed only very slight scaling.

Rating system:

Rating Condition of Surface
0 no scaling
1 very slight scaling (3mm [1/8 in.] depth, max, no coarse aggregate visible
2 slight to moderate scaling
3 moderate scaling (some coarse aggregate visible)
4 moderate to severe scaling
5 severe scaling (coarse aggregate visible over entire surface)

 

 

AASHTO T259

Testing indicated a 64% reduction in chloride content near the surface and 89% reduction in chloride content at a depth of 0.5 to 1.0 inches.

 

The results are clear: PoreShield significantly reduces concrete’s susceptibility to damage from salt and freeze-thaw cycles.

Download the full report to learn more, and contact us to discuss how PoreShield can help protect your concrete.