Crawl space repair in Tuscaloosa
Repair means fixing what is wrong under the house without necessarily sealing the whole space. It suits a crawl space with one clear fault, or a homeowner who wants the damage dealt with now and the bigger job considered later.
Take a look yourself, from the hatch
You do not need to crawl in. Open the access door on a dry day, shine a torch around and note what you see: the colour of the soil, whether plastic covers it, whether insulation hangs down, whether pipes or ducts are beaded with water. Take a few photos. They make the phone call shorter and the visit more useful.
Do not go in if you see standing water near wiring, smell gas, or find the wood visibly sagging.
What is found, and what the repair usually is
| Found under the house | Usual repair |
|---|---|
| Bare, damp soil | A new ground cover of heavy plastic, overlapped and pinned, as a minimum. It cuts the moisture rising from the ground even where the vents stay open. |
| Water that stands after rain | Regrading or a shallow trench drain inside the wall, led to a sump pump. The cause outside is fixed too, or the pump runs for nothing. |
| Insulation on the ground | Wet batts are bagged and removed. Whether new insulation goes back between the joists or onto the walls depends on what else is being done. |
| Dark, damp or fuzzy wood | Moisture readings first. Surface growth is cleaned and the wood dried. Soft or crumbling sections are cut out and replaced or doubled up with new timber. |
| Ducts dripping | Loose or torn duct insulation is rewrapped. If the whole space sweats in summer, the lasting fix is drier air, which leads toward a dehumidifier. |
| An old liner that is torn or floating | Usually replaced, not patched. Water on top of a liner means it is getting in above it and has nowhere to go. |
Ask for the wood moisture reading
A pin meter pushed into a joist gives a number in seconds. It is the nearest thing to a blood test for a crawl space. Ask the company to take readings in several places, write them down, and tell you what number they are aiming for after the work.
Readings taken in February and in August will differ. If a company visits in a dry spell, ask what they would expect to see in high summer.
Repair now, encapsulate later?
It can be a sensible order. Drainage, wood repair and clearing out old insulation all have to happen before a full encapsulation anyway, so money spent on them is not wasted. What does get redone is a basic ground cover, which is lifted when the heavier liner goes in.
Ask the company to price the repair so that it stands as the first stage of the larger job, and to say plainly what the repair alone will and will not change.
Worth asking
- What is causing the damp, in your view? A repair that names no cause tends to be repeated.
- Which wood will you replace and which will you leave? Have it marked or photographed before work starts.
- Where does removed insulation and plastic go? Hauling it away should be in the price.
- What will the space look like in a year if I stop here? An honest answer tells you whether repair is enough.
Tell someone what you are seeing
Call and describe what is going on under the house or in the basement. You will be put through to an independent local waterproofing company that works in your part of Tuscaloosa County.
Calls may be recorded. The company pays this site for the introduction. See the referral disclosure.