During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent.
High humidity in house and attic.
This can affect your home s structural integrity.
If there is excessive moisture accumulation in your attic it will condense on cold areas mainly on the underside of your roof deck.
See ventilate your home for ideas to improve air circulation in your house.
Poor ventilation in an attic can result in condensation promoting mold growth in the framing elements of the house.
But there s more danger behind it than just feeling bad.
Truth many humidity issues are caused by abnormally high moisture not the a c.
The air conditioner needs to be properly sized and selected with sensible and latent capacity that matches the building design.
It can actually rain.
Rising damp occurs when moisture from the ground rises through the pores in the bricks and masonry.
Also we have an encapsulated conditioned dehumidifier and supply vent crawl with a radon system.
It s even worse when there are higher humidity and moisture levels in your home.
Higher humidity and moisture levels can be an extreme threat to your property including the structure surfaces and condition.
Keep eave vents clear of insulation and make sure you have adequate air flow.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
Keep an eye out for symptoms of rising damp such as mold rotting window frames flaky plaster or damp or wet patches on your walls.
Freezing and excessively hot outdoor temperatures rain and high exterior humidity levels make it difficult for your.
Poor attic ventilation in colder climates can cause frost and condensation to form on the underside of your roof.
By scott gibson march 18 2019.
The humidity of a poorly ventilated home is naturally high because the air containing moisture has no way of leaving the house.
Another reason of high humidity in house is poor ventilation.
This moist air stays inside the house and when more moisture evaporates into an already moist air the level of humidity goes up.
Bad advice if humidity is high it s the air conditioner.
The opposite happens in new homes.
Indoor humidity can soar.
Jason advani has insulated his attic with spray polyurethane foam and while his heating bills have dropped high humidity remains a problem.
Hi i am hoping someone might be able to shed some light on a humidity mystery.
As planned the r 40 worth of insulation has drastically reduced his heating bill but now he faces another unexpected problem.
I had my attic insulated with blown cellulose and air sealed i hope.
Rising damp is a rarer but more serious cause of high humidity in a home.