South McLennan County · Population about 1,800

Mold Remediation in Lorena, Texas

Lorena sits south of Waco along I-35 near the Falls County line, a small incorporated city that has grown steadily as families have moved out from Waco toward the Lorena ISD area. The result is a housing mix of older in-town homes, newer subdivision construction, and a substantial ring of acreage properties on the surrounding farmland.

Newer subdivisions, familiar problems

The newer construction south of Waco is slab-on-grade on Blackland Prairie clay, with the attic-mounted air handler that has been standard in this market for decades. Two things follow from that combination and they account for most of the calls.

The first is condensate. A clogged condensate line on an attic air handler overflows into the pan and then into the ceiling below, and it happens gradually enough that the first sign is discoloration rather than a leak. Secondary pans and float switches prevent this when they're present and working, which is less often than you'd hope.

The second is slab movement. Even relatively new construction moves on this soil. Post-tension slabs handle it better than older conventional slabs but they still respond to a clay that changes volume through the season, and the plumbing inside and beneath them takes the stress.

The 1953 tornado started here

The F5 that struck Waco on May 11, 1953 first touched down roughly three miles north-northwest of Lorena, destroying a home near town before tracking north into the city, where it killed 114 people and became the first tornado officially rated F5 in the United States. That's local history rather than a present-day risk profile, but it's a reasonable reminder that this stretch of Central Texas takes real spring weather.

The practical version of that today is hail. A spring storm that bruises a roof without visibly breaking it produces mold in the attic two years later, and homeowners in this area routinely skip the claim because nothing looked wrong from the driveway.

Acreage properties

Outside the city limits, Lorena addresses run to acreage with septic systems and sometimes wells. On Houston Black clay, septic drain fields absorb slowly, and a field that isn't keeping up saturates ground that then drains laterally rather than downward. Where that saturation reaches a foundation, it's both a moisture problem and a foundation problem.

Outbuildings, shops and barns add their own condensation issues — bare metal roofing over an unconditioned space sweats on the underside every clear cool night, and whatever is stored beneath it takes the drip.

Free referral

Tell us whether you're in town or out on acreage and what you're seeing. We'll pass it to a mold contractor covering the south end of the county. Free, and no obligation.

We take referrals across 76655 and the surrounding Robinson, Bruceville-Eddy and Golinda areas.