What people keep running into with crawlspace
Complaints tagged crawlspace, each raised by more than one person. One-off posts are not included.
10 recurring problems · 167 people · 15 forums we read
Raised more than once
Most people first.
- 37Why is there a mystery wet dog or sour smell in the house?An unexplained, lingering odor resembling wet dog, sourness, or sweetcorn transfers unpredictably onto household fabrics in rooms like the bedroom, leaving people unable to trace its source. Because the smell appears in random places despite no obvious cause, it prevents occupants from successfully eliminating it.
- 32How to stop water pooling against the house from sinking concreteCracked and sunken pavement slabs redirect heavy rain directly toward the foundation, threatening water damage before winter. Fixing or replacing these slabs is necessary to redirect runoff away from the house and prevent pooling against the building.
- 27Water pooling around sprinkler headWater pooling behind a sprinkler head can be caused by either a broken supply line or the natural slope of the yard. This makes it difficult to determine whether you are dealing with a simple plumbing leak or a landscape drainage issue.
- 23Why is my AC not lowering indoor humidity?An air conditioner that cools the house too quickly or is oversized will shut off before it has run long enough to pull moisture out of the air. This leaves indoor humidity stuck above 60 percent, which creates the conditions for mold to grow around the house within a few months.
- 14Rain ruined the wood floor in my rental, what happens now?Parquet flooring soaked overnight by rain starts cupping within hours, leaving tenants terrified of permanent damage and heavy repair costs. This panic over losing a deposit prevents people from taking immediate steps like setting up fans or notifying their landlord.
- 13Is my house support beam strong enough for the load?Conflicting builder opinions and hidden framing details make it impossible to tell if a beam can safely handle a second story and roof. When mysterious wall gaps leave you unable to figure out what is actually supporting the structure, you are left stranded between contradicting professional advice and uncertain safety.
- 11Gap around furnace b-vent after roofingRoofers often leave an open gap between the double-wall B-vent and the surrounding roof jack, which lets light and potentially water through. Standard caulk should not be used here because furnace vents get too hot; instead, you need a high-temperature rated storm collar and silicone flashing designed for gas vents to properly seal the opening without creating a fire hazard.
- 4How to fill a 4-inch gap under an acrylic tubStandard tutorials recommend one to two inches of mortar, but a four-inch gap requires an excessive amount of material that is heavy and likely to crack. Because plumbers often refuse to install a mortar base, DIYers are forced to bridge this deep space themselves without proper guidance, leading to structural sagging or failed installations.
- 4Do I need crawlspace encapsulation for high humidity?Contractors almost always recommend full encapsulation when crawlspace humidity causes condensation and damage, but standard vapor barriers are often no match for summer moisture. Homeowners are left trying to figure out if there are simpler alternatives to expensive encapsulation to protect their ductwork and floors.
- 2Foundation vent won't fit because of rebar in the wayStandard crawlspace vents are often too deep to install when rebar runs across the top of the opening. This physical obstruction leaves homeowners unable to seal or replace vents properly, forcing them to leave the space vulnerable to moisture and critters.
Comes up alongside
Topics that keep appearing on the same problems — not topics with similar names.