ICC-ES AC358 addresses the corrosion protection of steel helical piles by establishing specific mandates for material thickness and coatings based on three distinct soil corrosivity categories. These requirements ensure the structural integrity and long-term durability of the foundation in various environmental conditions.
The protection strategies for each category include:
By following these thresholds, the AC358 standard ensures that helical piers resist section loss over time, preserving the load path from the structure to the bearing stratum.
When a weeping tile (or perimeter drain system) fails due to a clog or collapse, it can no longer provide essential hydrostatic pressure relief. This leads to several distinct warning signs: Failures typically occur when sediment and fine debris accumulate…
Yes, Foundation Repair can fix doors that will not latch or close properly when the root cause is structural settlement. In our experience serving Colorado since 1996, we find that as a foundation shifts, the home’s framing torques out of…
While both humidity and foundation issues can cause operation problems, the key lies in whether the sticking is temporary or persistent. In Colorado, seasonal humidity often causes wood frames to expand and contract. If your windows bind during wet spring…
When interior doors suddenly begin sticking at the top corner, it is often a sign that the home’s foundation is shifting. In the Denver metro area, our expansive clay soils are a primary culprit; these soils swell when wet and…
While it may be tempting to simply plane a sticking door to fix the immediate nuisance, we strongly recommend that you first investigate the root cause, as persistent sticking is often one of the most reliable signs of foundation settlement.…
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