How do I get water out of my attic?

Author: Sabrina Runolfsdottir  |  Last update: Sunday, March 8, 2026

Open all attic vents or windows (if present) to promote airflow. Place standing fans and dehumidifiers in the area to remove lingering moisture. Remove wet insulation or personal items from the attic to allow the area under and around them to dry.

Will water in the attic dry out?

Wet insulation in the attic can be dried out with the help of a fan or a dehumidifier. For some attics, you can remove the wet batts and keep them in a warm area to dry out. After a few weeks, you will need to monitor the insulation.

What happens if water gets in your attic?

In addition to damaged belongings, water damage in the attic can lead to mold growth, compromising the air quality in your home. It may also weaken the structure of your home to the point that you will need to hire roofing contractors to repair it.

How to get rid of moisture in an attic?

How to Get Rid of Attic Condensation
  1. Eliminate or reduce air leakage into the attic.
  2. Improve attic insulation.
  3. Improve attic ventilation.
  4. Ensure bathroom & dryer vents are routed outside.

Why is the inside of my attic wet?

Often, moisture in an attic during winter is the result of poor attic insulation and air leaks between the top floors of a home and the attic space. If warm air from the home's living spaces rises and passes through under insulated areas or escapes through cracks and air leaks, it will get into the attic space.

Knauf Tips & Tricks: Avoiding moisture in attics

Who do I call about moisture in my attic?

If you have condensation in the attic, there is likely a leak or some other issue. Whatever the problem, it is better to take the help of an experienced roofing professional.

How do I fix my attic rain?

The only real solution to attic rain is to ensure that your attic is properly ventilated with the correct number and location of roof vents and soffits. Roof vents draw air out of the attic while soffits bring in air from the outside, allowing the air to circulate.

How to get water out of an attic?

Open all attic vents or windows (if present) to promote airflow. Place standing fans and dehumidifiers in the area to remove lingering moisture. Remove wet insulation or personal items from the attic to allow the area under and around them to dry.

How to vent an attic properly?

Rafter vents should be placed in your attic ceiling in between the rafters at the point where your attic ceiling meets your attic floor. Once they are in place, you can then place the batts or blankets, or blow insulation, right out to the very edge of the attic floor.

How do I check for moisture in my attic?

The Touch Test: Feeling for Dampness

Get hands-on! Running your fingers along the walls and insulation can reveal a lot. If it feels wet or even just oddly cold, moisture might be lurking. It's like feeling the outside of a cold glass – that condensation is a clear giveaway.

Who do I call for a water leak in my attic?

Get a local roofer to inspect the roof and determine the source of the leak to avoid further damage. There may be some other areas of your roof that have leaks you may not know of. If the roof is leaking because of storm damage, it cannot be fixed until the storm has gone.

Do you have to replace insulation if it gets wet?

Yes, wet insulation should be replaced. Once insulation gets wet, it loses its ability to trap air effectively, reducing its thermal resistance (R-value).

Why is water coming from my attic?

Understanding Attic Water Leaks

Leaks in the attic primarily result from roof-related problems, such as damaged shingles, loose flashing, or faulty sheathing.

Can I use DampRid in my attic?

DampRid handles excess moisture in the attic and upstairs bedrooms ...

What to do about wet insulation in an attic?

First, remove any standing water from the area where the insulation is located. This can be done using a wet/dry vacuum, mop, or other suitable tools. Next, use fans and dehumidifiers to help dry out the area. This will help to remove moisture from the air, which will help the insulation to dry out more quickly.

How to find a water leak in an attic?

Visual cues like water stains on ceilings or walls, warped wood, and peeling paint can indicate a leak. Inspect your roof exterior for missing or damaged tiles and assess flashing around chimneys and vents. Use moisture detection tools or DIY methods like inspecting during rainstorms to identify hidden leaks.

What happens if attic is not vented?

Maintaining adequate attic ventilation is essential for the overall health of you and your home. Without proper ventilation, you risk mold mildew growth, general deterioration of your roofing system, and even increased respiratory problems due to this moisture accumulation.

What is the best option for attic venting?

Since ridge vents are situated at the roof's peak, they are ideal for releasing the hottest air from the attic. In addition, they have the necessary surface area to release a lot of hot air because they span the entire roof. The natural movement of hot and cold air is utilized by vertical ventilation.

Should I put a dehumidifier in my attic?

A loft dehumidifier, much like a basement dehumidifier, aids in preventing condensation, dampness, and moisture damage in your attic. Moisture that is trapped in a loft can harm stored items and result in dampness, mould and mildew, bad odours, and property damage through rot.

How to dry out moisture in an attic?

A dehumidifier could be the perfect solution for drying out the air in your attic. Be sure, however, to drain it frequently in order to sustain its usefulness. A dehumidifier will cease to remove any more moisture once its storage tank becomes full.

How do I empty my attic?

There are two main choices: (1) bring one box or item down at a time, and then deal with just those attic items you brought down, before moving on to the next thing stored in your attic; or (2) bring everything down from the attic at once.

Why is everything in my attic wet?

Poor attic insulation, as well as poor ventilation, can cause your attic to trap humid air from your home. Improperly vented bathroom and dryer exhausts can also cause attic condensation.

How do you fix water damage in the attic?

Step-by-Step Guide to Restoring Your Attic
  1. Assess the Damage. ...
  2. Dry Out the Affected Area. ...
  3. Remove Damaged Materials. ...
  4. Clean and Disinfect. ...
  5. Repair and Replace. ...
  6. Improve Ventilation. ...
  7. Address Roof Issues. ...
  8. Regular Maintenance.

What to do if rain is coming through ceiling?

If you notice water leaking in your ceiling, you'll need to call a plumber or a roofer depending on the cause of the leak. It can be hard to work out which you need to call, as it isn't always obvious whether a leak is due to issues with your plumbing or your roof.

Is attic rain common?

Attic Rain is one of the most common winter issues Demi from Dwight's Roofing comes across in Edmonton.

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