Reduce indoor humidity and fix leaks
Dry wet areas and run dehumidifiers if needed
Seal cracks and gaps around baseboards, windows, pipes, and doors
Install door sweeps and repair damaged weather stripping
Store food in airtight containers
Remove cardboard clutter and excess paper stacks
Store books, linens, and clothing in sealed bins
Vacuum regularly, especially along baseboards, corners, and under furniture
Use sticky traps along walls and behind furniture to monitor activity
Clean with a vacuum first, then wipe surfaces to remove dust and debris
Apply diatomaceous earth in thin layers in cracks, crevices, and along baseboards
Use boric acid gel or bait products labeled for silverfish in cracks and voids
Place insecticide dusts labeled for silverfish in wall voids and inaccessible areas
Use an insect growth regulator labeled for silverfish if available in your area
Target harborages with crack-and-crevice treatments rather than broad spraying
Remove or reduce hiding spots behind wallpaper, under sinks, and in closets
Consider professional pest control if infestation persists
After treatment, keep monitoring with sticky traps for several weeks