What Are Weep Holes?

February 12, 2014

in Home Maintenance

Weep holesNow that you have moved into your new Lennar home, you will probably start noticing more details in the structure of your home, such as gaps between the bricks. Although these may look like large cracks between your bricks, don’t be afraid.

These openings – called weep holes – are purposely left between bricks in the lower layers of external walls to assist in proper drainage and ventilation. Without ventilation, internal wall studs and other building materials within the wall cavity can become damaged by damp conditions. Additionally, condensation and water that enters the wall cavity need to have an escape path to prevent severe damage from occurring. For this reason, it is extremely important that you do not block weep holes or seal them with caulk. If you live in a brick home, be sure to regularly inspect the weep holes and remove any debris that may be blocking them.

A drawback of weep holes is that they may act as an entry door for pests to access the interior of your walls. To help prevent this from happening, you may want to have weep hole screens installed. These screens, generally constructed of flexible nylon or plastics, are specifically designed to eliminate the chance for pests to enter your walls through weep holes – without interfering with the necessary ventilation and drainage the weep holes provide. Whether or not you decide to install weep hole covers, you should consider hiring pest control to perform quarterly visits to maintain a pest barrier around your home. This will give you peace of mind – and help ensure that any pests are treated before they become a severe problem.

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Spring Maintenance Tips - Caring for your Home's Exterior | LENNAR CARES
March 4, 2010 at 3:33 pm

{ 7 comments… read them below or add one }

Jason Sandquist August 1, 2009 at 10:27 am

Any knowledgeable contractor will use the right kind of material so a homeowner doesn’t have to come back and use a screen, but never assume ;-)

Also weep holes exist in most shower bases, make sure the rookie plumber doesn’t caulk over the holes… leads to water being trapped and could cause major damage in a short period of time. ie: mold driven subfloor that has to be ripped out.

Lennar August 1, 2009 at 5:54 pm

Dear Mr. Sandquist,

Thank you for your interest in weep holes. We appreciate you sharing your comments and opinions with us.

Lennar

Dean Williams September 6, 2009 at 9:17 pm

I provied weep hole covers for block walls. i have several size mesh screens installed with masonary lags. anyone interested can call 480-580-0902

Joshua Bella September 24, 2009 at 11:09 am

Hi

I’m interest to know how you can you tell the difference between a weep hole and missing mortar between the bricks?

We have several yellow jackets building a nest and I think they got in through a crack in the mortar.

Thanks,
Josh
443-627-7762

Lennar September 28, 2009 at 8:45 am

Dear Josh,

Thank you for your question regarding your home. The best thing to do is to call your local Lennar Customer Care Team to request their assistance. I believe you are in the Baltimore area based on your phone number. With this in mind, the local division phone number is (410) 997-5522. You may also contact them via e-mail at marylandcustomercare@lennar.com.

Sincerely,
Lennar Customer Care

Bill Home February 21, 2014 at 4:21 pm

How do I know if it’s a weep hole or the mortar has deteriorated? Is there an easy way to tell the difference?

Lennar May 9, 2014 at 3:21 pm

Hi Bill,

The best way to tell is to have someone who’s qualified come out and inspect it for you.

Thank you!

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