Remember the space under your roof is vented to outside air.
Roofers left debris in attic.
Both shingles and sawdust can fuel attic fires turning a small flame into a devastating house fire.
It s not harming anything.
Roofing debris can include roofing nails shingles pieces of fascia and flashing roofing felt and underlayment or pieces of drip edge.
No reason to have it removed unless it prevents from the insulation being installed properly.
Asphalt dust is definitely an irritant and could be causing the symptoms you are describing.
I 39 m determined to clean up the attic reasonably thoroughly probably over a period of time.
You should get a home performance contractor to perform a duct blaster test to test the tightness of your ductwork.
Contractors should clean this debris up before leaving the site but as you probably know they oftentimes leave a mess behind for the homeowner to handle.
The reason it will be so noisy is because the roofers will use brooms wheelbarrows shovels and tools to get the substrate clean enough to install a new roof.
A lesser known fire hazard that s left behind after a roofing job is moisture.
Meaning any dust pollen debris can and do get blown in on windy days.
Yep wayne had a look at my attic yesterday and the new roof and gutter downspout system.
It is normal on a total resheet or when plywood is replaced for debris to drop into the attic.
After all there 39 s only so much debris i can throw out in the weekly pickup.
Part of the job is cleaning up the mess and a good roofer will take care to lay down tarps have a dumpster on site to remove debris quickly and efficiently as the job progresses.