How to wash construction work clothes
Construction laundry is mixed soil: mineral dust, mud, petroleum, adhesive, and sweat in the same load. That combination is exactly what consumer detergent is worst at, because it is formulated around one soil type at a time.
1. Knock the dry material off outside
Drywall dust, sawdust, and dried mud should come off before water touches them. Wetting fine dust turns it into a paste that sets in the weave.
2. Pre-treat before anything cures
Construction adhesive, caulk, and sealant are permanent once cured. Same day, hit the spot with degreaser, work it in, and give it 5–10 minutes. This is the highest-leverage step on the list.
3. Wash separately in warm water
Grit and petroleum transfer across a load. Keep workwear on its own and follow the care label — especially for FR and hi-vis.
4. Skip the softener
Softener leaves a film that traps the next round of dust and dulls reflective tape. If your canvas is stiff, the cause is buildup, not missing softener.
5. Air dry and inspect before heat
Heat sets whatever is left. Air dry, look it over in daylight, and re-treat anything still showing before you put it in a dryer.
Stop the rewash cycle
The hidden cost in most crews' laundry is running everything twice. Two cycles means double the heat, double the agitation, and roughly double the wear on garments you paid real money for. A detergent that clears the load in one pass costs less than the second cycle it replaces.
Protecting hi-vis on a mixed crew
If anyone on the crew wears Class 2 or 3 hi-vis, keep bleach out of the laundry room entirely. It fades fluorescent background fabric and degrades retroreflective striping — the two properties the class rating depends on. Wash hi-vis inside-out and air dry when possible.