Roach frass looks small black specks or black pepper flecks.
Black flakes in attic.
Your cat s litter can also be sprinkled in your garden.
Sealing your attic access hatch to prevent the movement of indoor air past the edges is the first step.
Black flakes on sheathing originally posted by h g.
Expanded vermiculite is lightweight fire resistant and odorless.
Mold spores look black and dark like this.
If the duct liner is the source of the black dust it should be replaced right away as the particles could be dangerous if inhaled.
Black pepper has other compounds which irritate the nasal passages in humans and cause sneezing.
There are a few types that you can use.
A really old unit might house an old or.
However rats are unlikely to eat enough of the pepper to induce the toxic effects of piperine.
A technician can tell you if the problem is the duct liner.
Boosting attic ventilation will also help but this is difficult to do at this time of year.
One way doors are best.
Since it has an r value of about r 2 per inch it was used for decades as an insulation material.
The photo at page top shows white attic mold on the roof sheathing and rafters and some brown or black mold on the attic side of ceiling drywall where we pulled back insulation.
If you see those black particles you ll need to have a.
Deteriorating duct liners produce black particles which blow from the vents and collect on walls or the ground.
When looking for attic mold trace both leak.
The trap is mounted at the hole used by the squirrels on the outside of.
It will be spread out along the roach runway a frequently traveled path all the roaches in a colony will use.
If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos.
Bed bug frass is similar and will appear as small reddish brown spots that.
For squirrels in your attic or softlift.
In the attic photograph at left we show a mix of green gray and white attic mold.
Vermiculite is a mineral mined from the earth composed of shiny flakes that look like mica.
You can put it up in your attic too but using essential oils is a better option to use in your home.
And as air circulates through your system it will pick up the mold spores in your ductwork and push them into your home through the air vents which explains the black flakes around your vents.
When this mineral is put in an oven it expands like popcorn.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
However i also suspect late 70s vintage frt plywood decking exposed to higher temperatures in the low slope poorly ventilated minimal attic space so common to your region of construction of that decade and the one prior.
Hire a mold remediation specialist.