It would be unlikely for it to appear inside the house.
Does an attic need a co.
To convert your attic to living space you cannot provide access via a ladder.
If you ve got an open combustion furnace in an attic sealed with spray foam you could have a safety hazard on your hands.
Don t worry too much about it co is lighter then air although not by much.
At first it may seem odd to add insulation for warmth and then purposely allow cold air to enter the attic through vents but this combination is the key to a durable and energy efficient home.
Without adequate ventilation and spray foamed attics lack ventilation by design there s a chance that co produced by your furnace will backdraft into your living space.
The most important component of a carbon monoxide alarm is the sensor.
You should normally install co detectors near sleeping areas rather then very close to potential sources just get a couple of plugin units and put them in hallways ect.
In other words the entire vent opening doesn t count as vented space.
How carbon monoxide detectors work does placement affect their operation.
This is the part of the device that actually detects the co concentration in the room.
That said air resistance and interference such as vent grates reduces the area of true ventilation.
Your attic may presently have a fixed ladder a pull down ladder or no ladder at all.
Finishing your attic can add space and utility and increase the value of your home as long as it s done properly.
What your attic probably does not have is a set of code compliant stairs.
All you need to know about attic ventilation understand the pieces and parts that contribute to quality attic ventilation so that you can better cool down the space and prevent roof damage all.
Ibc requires ventilation in attics and crawl spaces and does not address the unvented attic concept.
Since 2004 international code council icc supplements to the international residential code irc mean unvented attic assemblies have been accepted by the building codes in residential but not commercial applications.
About attic ventilation natural attic ventilation.
10 important things you need to do when finishing your attic.
Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.
Spray foam insulation is most costly but may be a better solution.
Buy and install a carbon monoxide co detector asap.
An attic is typically the coldest or warmest part of the home depending on the time of year so you may need to add extra insulation.