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Why These Roofs Fail Differently
Most outbuildings wear exposed-fastener metal panels. The panels outlast the screws. Each summer day the metal expands and contracts, the rubber washers under the screw heads harden and crack, and water follows the screw in. Rust starts at the laps where panels overlap and at the bottom edge where water sits.
Wind does the rest. A panel with a few loose screws at the eave is the one that lifts in a squall line, and once one goes the next one is easier.
What a Contractor Can Do
| Problem | Usual fix |
|---|---|
| Leaking screws | Replace with oversized screws and new washers |
| Rust at laps or eaves | Replace the affected panels, or recoat if the metal is sound |
| Lifted or curled panels | Re-fasten or replace, and add fasteners along the eave |
| Rotted purlins | Replace the wood the panels screw into before re-roofing |
| No gutters | Add a gutter where runoff is washing out the ground by the door |
Worth Knowing
German farmers settled Rosehill from 1846, and a 2014 local news profile still found farms there selling produce at the roadside. Some outbuildings in that direction have stood a long time. A very old building may need a carpenter as much as a roofer; say so on the call.
If the building is inside a city, a permit may apply to it just as to a house. Ask.
Barn Roof Letting Water In?
Call with the address and what the building is. A contractor who works on outbuildings around Tomball calls back.
Call (346) 273-0697 Use the Form