Upstairs Smells Like Attic

I recently reinsulated and weatherstriped without results.

Upstairs smells like attic. Musty moldy smell this one is usually much easier to find this smell is associated with water moisture in the system leading to mold growth. Whenever the air is on upstairs the upstairs smells musty and has that attic smell the furnace is in the attic but the smell isn t that bad when the heat is on. Are telling you is that you have a failure somewhere. Sealing up your building envelope is the only way to go.

But i don t know what squirrel urine or feces smells like. Look for an areas in your ceiling that have changed colour. Emily tack from usa on march 15 2015. What your house duct system.

Where those wires punch through to the attic are rarely sealed properly or at all and that is just one more path for hot air to travel down into your house bringing that lovely odor with it. When air blows through the system it circulates the smell from the mold source and your entire house gets that musty smell. Sniffed the walls the floor outlets ac vents no moldy window sills and it s mostly in the doorway. You can easily determine this problem if you stick your head in the attic and sniff.

Gable vent in end of outside wall high up in peak end. Ceiling which is now connected to the attic. Air is being drawn in from attic into house via openings in the. We live in fl so it was very interesting living with that.

If it smells the same that s your problem. If yours is a loft or attic bedroom you could be dealing with a leaking roof that is damaging the ceiling which is growing mould in the process of absorbing the water. Spray an air freshener in the room if needed to make the attic a tolerable space to work in. Run a large fan in the window facing out to draw air from the attic.

Most is hvac driven. There are other holes as well like where the wire from your light switch travels up into the attic. Open the windows of the attic if possible to vent the air trapped in the attic out and allow fresh air to come in. See mystery smell below for more on this.

Eventually the ceiling will collapse in the area of the leak so this issue will need fixing asap. There are two things happening. Air is being drawn from attic into house via duct return leakage. I thought there might be air flow from the attic into the house through the attic access.

If you do not have any of these your attic gets really hot and that smell travels through electrical outlets switches.