These pile have been at the base of the frontdoor sidelight interior and exterior on porch.
Fine debris at base of siding looks like insulation dust.
I have been finding small piles of brown beads that look like coffee that has been ground very fine.
I discovered little pyramids of real sawdust on the driveway apron next to garage doors.
After that take a warm shower so that.
It blocks the pores and prevents the entry of tiny duct particles into the skin.
Dust your body with talcum powder before you start work with fiberglass.
Depending on the insect frass contains chewed up wood pieces or fecal pellets that are mostly wood along with dead insects and miscellaneous debris excavated from the nest site.
Carpenter bees chew holes in dead wood to make their nests.
I looked up and found dozens of perfectly round 3 8 holes caused by borer bees aka carpenter bees that drill into the cedar in order to lay their eggs and nourish the larvae.
Entomologists call the sawdust created by insects frass.
For this reason subterranean termites build mud tubes along the surface of the object they feed on to insulate themselves from the dryer surrounding air.
An expert can usually tell which insect left the frass by looking at it under magnification.
Look at your eaves door jam and possibly siding anything wood really around where the dust is accumulating.
When mold growth is on unpainted metal in an air handler it is most likely dining on organic dust and debris found on those surfaces.
The most common ingredients in house dust in a healthy home are.
Look for holes on all the surfaces even the ones that aren t obvious easily visible.
Air entering the building through holes and cracks will leave dirt and dust on walls where there is exfiltration and on the insulation that covers those leaks.
If this material is pushed through cracks where the window frame meets the wall or along the trim board and door frames this is a sign of a subterranean termite.
The home remedy for fiber glass dust exposure on the skin is to rinse the skin with cold water to get rid of fiberglass dust embedded on the skin surface.
In a building exposed to pressures from high stack effect warm air rising or mechanical pressures such as those from duct leakage or exhaust fans staining can sometimes occur at the carpet edge where the interior or exterior wall joins the carpet.
House dust might be a contributor to building air quality complaints if the dust has high levels of problem particles such as mold dust mite fecals pollen sub micron particulate debris bacterial contaminants pet hair mouse dander or fecal dust and similar particles.
