A technician can tell you if the problem is the duct liner.
Black flakes in attic.
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.
One way doors are best.
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.
Boosting attic ventilation will also help but this is difficult to do at this time of year.
When this mineral is put in an oven it expands like popcorn.
Black pepper contains high concentrations of a chemical called piperine which is highly toxic to rats.
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.
There are a few types that you can use.
Sealing your attic access hatch to prevent the movement of indoor air past the edges is the first step.
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.
It will be spread out along the roach runway a frequently traveled path all the roaches in a colony will use.
Deteriorating duct liners produce black particles which blow from the vents and collect on walls or the ground.
In the attic photograph at left we show a mix of green gray and white attic mold.
However rats are unlikely to eat enough of the pepper to induce the toxic effects of piperine.
Loose fill insulation comes in a variety of materials.
When looking for attic mold trace both leak.
Black flakes on sheathing originally posted by h g.
Black pepper has other compounds which irritate the nasal passages in humans and cause sneezing.
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.
If you see those black particles you ll need to have a.
A really old unit might house an old or.
Since it has an r value of about r 2 per inch it was used for decades as an insulation material.
Roach frass looks small black specks or black pepper flecks.
Flea dirt consists of small deep maroon or black flecks that are very hard and dry to the touch.
You can put it up in your attic too but using essential oils is a better option to use in your home.
Expanded vermiculite is lightweight fire resistant and odorless.
The trap is mounted at the hole used by the squirrels on the outside of.
Bed bug frass is similar and will appear as small reddish brown spots that.
For squirrels in your attic or softlift.
Mold spores look black and dark like this.
Vermiculite is a mineral mined from the earth composed of shiny flakes that look like mica.
