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Doubles span sixteen to eighteen feet—heavy insulated slabs flex in wind if tracks flex too. We install progressive springs left/right, center struts on tall panels, and verify opener horsepower margins because oversized doors punish underpowered motors every winter morning in Prior Lake and Bloomington.

Wide openings concentrate torque— we inspect laminated headers for sag and upgrade lag patterns before hanging heavier slabs.
We bolt mid‑panel struts, hang sections with uniform hinge gaps, and torque springs in paired increments for level lift.
Doubles often jump from half to three—quarter horsepower when insulation upgrades add weight—we prove pull tests before reuse claims.
Not always—depends on door weight and travel. We measure pull force rather than guessing from catalog charts.
Likely missing struts or weak tracks—we add reinforcement and verify spring balance after storms.
Get your free consultation today and let's bring your vision to life with professional expertise you can trust.