A typical job runs 1 to 2 weeks once drilling begins; deeper piles needed to pass Houston's thicker active clay zone can extend that timeline.
Micropiles are small-diameter, drilled and grouted foundation elements, typically 5 to 12 inches across, reinforced with a steel bar or pipe casing and installed to depths of 50 feet or more. Rather than spreading load across a shallow footing sitting inside the active clay zone, a micropile carries it down to a deeper, more stable bearing layer.
In Houston, that deeper bearing point matters because the gumbo clay's active zone can reach 10 to 15 feet, deeper than in most other Texas markets, and the region's history of groundwater-related subsidence adds another layer of long-term settlement risk. Because micropile rigs are compact and generate minimal spoils, they also work well on sites with a high water table where excavation for a conventional footing would require significant dewatering. GSI's Houston micropile work typically centers on:
A typical job runs 1 to 2 weeks once drilling begins; deeper piles needed to pass Houston's thicker active clay zone can extend that timeline.
Cost depends on pile depth, diameter, and how many piles the load requires; Houston's deeper active clay zone can mean longer piles than a similar project further inland.
Yes. Every design is stamped by a licensed Professional Engineer and meets IBC and Texas Building Code requirements.
GSI offers 24/7 emergency response and can typically mobilize a crew within hours of a call.
Helical piers work in soft soil but have lower load capacity, which matters when a pile has to extend well past a 10-to-15-foot active zone to reach stable bearing. Micropiles carry heavier loads to greater depths.
We drill test borings to confirm the actual depth of seasonal movement at the site, since it varies by location rather than following one fixed number citywide.
Micropile drilling generates minimal spoils and doesn't require the extensive dewatering a conventional footing excavation would, making it a practical option where groundwater is shallow.
Yes. Bearing on a deeper, more stable stratum reduces a foundation's exposure to the gradual settlement that has affected parts of the Houston area from historical groundwater withdrawal.
Every season Houston's deep clay zone keeps moving beneath an under-supported foundation, and repair costs climb with it. Call (855) 599-5217 to get a Houston micropile assessment from a licensed engineer.
