What's included
- Top and bottom chords
- Web members and bridging
- Bearing ends and connections
Not included
- Painting, rust treatment or structural work
- Spray-on fireproofing
Why it matters
The lattice design of bar joists creates many small ledges that hold dust.
More on why it matters
Settled joist dust falls on inventory and equipment when the building vibrates.
How AELC providers clean joists and trusses
Every provider follows the AELC Source-Control Method: capture the dust, don't move it.
- IdentifyNote joist spacing, height and any fireproofing, and plan access.
- CaptureVacuum chords and webs from the top down.
- VerifyInspect sections and photograph.
How often, and how it's priced
Recommended frequency
| Warehouses and manufacturing | Every 12 months |
| Retail and gyms | Every 6 to 12 months |
Pricing is local
Your local AELC Certified Provider sets the price for your space. What affects it:
- How many joists and trusses you have
- Height and access
- Dust, grease or buildup
- One-time reset or recurring schedule
DIY tips between professional visits
- Combine joist cleaning with high-bay lights and HVLS fans to share lift time.
Safety: when work stops
- Do not disturb spray-applied fireproofing.
- Stop for combustible or unknown process dust.
See all red-light conditions and what AELC does not do.
Who needs it most
Warehouses and DistributionManufacturing FacilitiesGyms and Fitness CentersRetail StoresGrocery and Supermarkets
Joist and Truss Cleaning: FAQ
Why is combustible dust a concern?
Some industrial dusts can ignite when suspended in air. AELC providers stop and escalate where combustible or unknown process dust may be present.
Last updated October 4, 2026. Reviewed by the AELC Method team. Local services are performed by independently owned AELC Certified Providers. Above Eye Level Cleaning.