Using hot roofing tar can easily cause odor complaints because the odor is strong pungent and can be smelled at very low concentrations in the air.
Tile roof tar smell.
It looks great and even better doesn t leak.
This smell is because of the sealants on the asphalt shingles that naturally melt and set the shingles in place.
Pros and cons of roofing tar.
Roofing tar is often used for tar and gravel roofs or to fix leaks on a roof.
If you are talking about shingles the smell will fade pretty quickly after they are finished.
Tar has an extremely potent and pungent odor.
Just as some individuals are extremely sensitive to tobacco smoke in the air many people.
Smelling the odors does not indicate over exposure.
An hour ago i believed i didn t make a terrible decision that will exacerbate my migraine attacks.
If you are talking about a flat roof done by pouring hot liquid tar over it then i have no experience how long that smell will linger.
It s also entirely possible that air from the attic space is being drawn into your home from unsealed holes where electric cables and plumbing vent pipes penetrate the top plates of the walls that connect to the roof trusses or the ceiling joists.
My guess is that you are experiencing normal new roof smells.
New asphalt shingles can give off a tar like smell that for some comes off as being very strong and irritating.
Roofing tar is a good choice for a flat roof as this kind of material is highly resistant to the ultraviolet rays from the sun.
My head aches and i am feeling nauseated.
I smell roofing tar.
The sulfur compounds in roofing tar have very low odor thresholds in the parts per billion range.
Basically when you have new shingles installed the sun cooks them to really get them to set onto your roof.
But i would think somewhat longer than for shingles.
A couple weeks maybe.
Its just the volatiles in the tar escaping.
Roofing tar will also protect your roof from wind and from snow and water which can collect on a flat roof.