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.
Black flakes in attic.
Hire a mold remediation specialist.
There are a few types that you can use.
When looking for attic mold trace both leak.
A technician can tell you if the problem is the duct liner.
Since it has an r value of about r 2 per inch it was used for decades as an insulation material.
Similarly if the mold has matured and degenerated it is difficult to recognize since it rubs off the surface leaving only stained spots or patches.
You can put it up in your attic too but using essential oils is a better option to use in your home.
Mold spores look black and dark like this.
Deteriorating duct liners produce black particles which blow from the vents and collect on walls or the ground.
Roach frass looks small black specks or black pepper flecks.
Black flakes on sheathing originally posted by h g.
Sealing your attic access hatch to prevent the movement of indoor air past the edges is the first step.
Loose fill insulation comes in a variety of materials.
The trap is mounted at the hole used by the squirrels on the outside of.
A really old unit might house an old or.
Boosting attic ventilation will also help but this is difficult to do at this time of year.
One way doors are best.
If you see those black particles you ll need to have a.
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.
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.
Your cat s litter can also be sprinkled in your garden.
For squirrels in your attic or softlift.
Vermiculite is a mineral mined from the earth composed of shiny flakes that look like mica.
It will be spread out along the roach runway a frequently traveled path all the roaches in a colony will use.
Expanded vermiculite is lightweight fire resistant and odorless.
Commonly black discolorations on insulation material and wood can be difficult to distinguish from mold.
Flea dirt consists of small deep maroon or black flecks that are very hard and dry to the touch.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
Bed bug frass is similar and will appear as small reddish brown spots that.