
What’s a Weep Hole and How Does it Work?
- The weep hole is located in between the oil and coolant seals of the engine.
- Excess lubrication from the pump bearings will drop out of the housing if the oil seals are leaking.
- This will be seen via the weep hole.
What is a weep hole and why is it important?
- Introduction of Weep Holes. Water is the biggest enemy of this structure. ...
- Need for Weep Holes. When the structure is constructed above the water table then there will be no chance of accumulation of water behind the wall.
- Weep Holes Definition. ...
- Foundation Weep Holes. ...
What happens if I seal my weep holes?
What Are the Major Signs of Trouble?
- Steel seawall — Watch out for leaks, cracks, and corrosion.
- Rip rap — Look out for dislodged stones that you need to replace.
- Outcropping — Check for separation in the joints between the slabs.
Why are weep holes make you cry?
The weep hole allows air to flow through the external and internal walls for ventilation. If it doesn’t flow through, then condensation and mildew will form. Thus lowering the expected life of the studs in the wall and other materials that were used in the building of the home.
How high should be the weep holes be?
Weep holes must be placed di- rectly above flashing and should be spaced about 16 to 24 inches o.c. maximum. The most common types of weep holes are open head joints, louvered vents, rope wicks, tubes, cellular vents, or a combination of these.

Can water come in through weep holes?
This research demonstrated that even under truly extraordinary conditions water rarely enters the weephole and even if it does it cannot be blown high enough up in the cavity to create internal damp problems.
What happens when weep holes are blocked?
— Todd J., Newport News, Va. Whatever you do, do not fill those weep holes. They're an integral part of the drainage system to keep water from building up behind the brick. If allowed to contact any untreated lumber, this water will cause serious wood rot, mold and, eventually, structural problems with your home.
Are weep holes effective?
In old houses, moisture used to be able to easily move through a wall. But nowadays, weep holes are great spots for water to get in than leave. All this extra moisture at the feet of your house may not be a good thing. Basement waterproofing is a great idea if you really want to keep your below-ground rooms dry.
Can a snake enter a house through a weep hole?
Rats, mice and lizards will get in the house thru weep holes, and snakes can go ANYWHERE they can go. Usually they will end up in the attic.
How do you unclog a weep hole?
0:171:23How to Clean Your Window Weep Holes - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe take our little hook tool. And we want to get this track out of the way. So we just take thisMoreWe take our little hook tool. And we want to get this track out of the way. So we just take this hook tool lift it up a little bit. And you can see just a little bit of dust and debris inside there.
How do you unblock a weep hole?
To make sure the weep holes are working properly, spray the outside of the window with a garden hose – a steady stream of clean water should exit from the holes. If it doesn't, use a wire hanger or compressed air to force the blockage out. Re-test with fresh water to ensure they're completely cleaned.
Should I buy a house without weep holes?
There is no good reason to call out the absence of weep holes in a house as being defective or significantly deficient. The primary function of a weep hole is to allow water to exit the masonry wall cavity. Without proper flashing the weep hole cannot function as required.
Is it OK to put steel wool in weep holes?
Small pieces of steel wool (just pull it apart) or pieces of a plastic scrubber can be pushed into the entrance of a weep hole to keep unwanted critters out. Both items will effectively block the weep holes while still allowing air to filter in and water to seep out.
How many weep holes do I need?
Installation Sitework. Vents are required at 450mm intervals and each opening should have at least 2 weep holes.
Do brick houses need weep holes?
Brick walls must have weep holes to allow water that is absorbed by the brick to exit the wall. If water gets into the wall and has no way to exit, it will penetrate further into the wall and create long-term structural damage.
How do I get rid of snakes in my walls?
1:452:53Learn How to Keep Snakes Out of Your House - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf it's cold outside or if there's no exit door nearby. Place a heavy trash can or plastic bin overMoreIf it's cold outside or if there's no exit door nearby. Place a heavy trash can or plastic bin over the snake. And then put some bricks or heavy Eight's on it.
How do you get a snake out of a hole?
Lower the temperature in the room the snake is likely hiding in. ... Place a source of warmth in the room. ... Leave food out in the open. ... Search for the snake when it is most active. ... Remove things that might scare the snake. ... Place the snake's cage on the floor with a heating mat underneath.
How Weep Holes Work and their Purpose
Weep holes are gaps that are generally left between a few bricks in external walls or bottom edge and sills of windows and doors. They are intentionally left that way and serve an important purpose in ventilation and drainage.
How weep holes work
These weep holes prove their worth when there are other damages due to condensation or flooding. They allow for the water to seep out instead of getting trapped inside and cause more damage. Weep holes thus protect the structural integrity of a building and the interior of your home.
Why do weep holes exist?
Weep holes are critical to prevent water intrusion in your home. You can see weep holes used in many areas like on bricks and on windows. So what exactly is a weep hole? A weep hole is a passage for water to escape a building envelope. Weep holes serve an important purpose of a home; they allow the home to “breathe” as some say.
Why do weep holes need to be painted?
It is important these weep holes stay clear of debris, caulk, and paint. Many painters tend to caulk and paint over these weep holes on the exterior of the home due to their lack of understanding.
Where are weep holes on brick siding?
How Weep Holes Function On Brick Siding. This is a weep hole located at the bottom of a brick exterior wall. In this case, if any water were to get behind the brick through tiny cracks in the mortar the water can exit as it falls to the bottom. It is important not to seal these holes.
What is the black rectangle on a window?
The black rectangle is actually a flap that allows water to exit, but not enter! This is the weep hole on a window at work! Keep in mind, there are different models of windows that use different weep hole methods rather than the above picture.
What are weep holes?
Weep holes can provide access to the wall cavity for unwanted pests such as rodents and insects. Penetrations such as down lights, extractor fans and holes for plumbing or electronics then serve as an internal entry point. Baffled vents can help prevent this problem.
Where are weep holes in a cavity?
Weep holes are typically found in the outer masonry leaf of cavity walls, just above the flashing. They can also be found above windows, doors or other penetrations. They should be provided at regular intervals so as to allow any moisture collected by cavity trays to escape.
How far apart should weep holes be?
Tubes made of hollow plastic or metal can be used as weep holes, spaced around 16 inches (41cm) apart. They are placed at a slight angle to allow water egress. Care must be taken to ensure the angle is not too steep or too flat .
What is drainage in a cavity wall?
Drainage: They provide an opening that allows the drainage of any moisture that may reach the back of a wall, or the inside leaf of a wall (such as a cavity in cavity wall construction) from the outside through penetration, capillary action, condensation, leakage or flooding .
What is the purpose of a weep vent?
They may include plastic weep vents which incorporate a baffle structure to prevent rain from penetrating through the hole and preventing insects from entering the cavity. They may also include a drip at the front lip to aid drainage .
Can you mortar oiled ropes?
Alternatively, oiled rods or ropes can be placed and mortared into the joints. The oil prevents mortar bond and the rods or ropes are removed after setting which leaves a hole similar to that of a tube. The advantage of these techniques is that they are less conspicuous.
Can weep holes be aesthetically pleasing?
Measures to try and combat the problems above, as well as make weep holes more aesthetically pleasing, can result in them not providing the necessary flow of air to properly ventilate the internal brick wall .
Weep Holes
Weep holes are drilled in the bottom row of the cinder blocks, near the footing, to relieve water trapped in the hollow cavities inside the cinder block.
Everything you need to know about Weep Holes
Anytime it rains, there’s the possibility that water could accumulate behind the foundation walls of your home. But this fear is more than a headache because not all water is obvious. If you have a foundation made of concrete blocks, there are hollow cavities within each block.
How are weep holes provided?
Weep holes are provided using sand gravel trains to ensure proper functioning of this holes. The number of holes is provided depending on the size of structure and height of water table. The height at which weep holes is provided depends on the maximum possible height of water formulation or natural groundwater table.
What is a weep hole?
Weep holes are provided in masonry walls, retaining walls, underpasses, wing walls and other ground draining structure. Functions and advantages of weep holes are discussed. Weep holes provide an opening that allows the drainage of any moisture that may come from back of the wall through penetration, capillary action or leakage.
What happens when you put a hole in brick?
When holes are installed in the brick masonry. The mortar squeezes out between the successive courses of bricks and drop down in the weep holes. This can result in partially or totally blockage of weep holes by trash mortar.
How far apart should weep holes be?
They are provided at regular intervals to permit escape of moisture. The recommended distance between weep holes is 450 mm. From engineering point of view, weep holes relieve hydrostatic pressure or water pressure on walls.
What happens when water table is above structure?
If the water table is above the structure, but weep holes are provided in structure. As seen as in the figure the major water pressure is eliminated using weep holes, the pressure due to water is relieved by the holes. The height of the placement of holes plays an important role.
Where are weep holes in brick?
Weep holes are typically found in outer masonry of cavity walls. They can also be found above windows and doors in cavity walls.
Can a weep hole be ventilated?
To overcome the above problems of pest entry and trash mortar and to even make the weep holes more pleasing, weep hole may not provide the necessary flow of air to properly ventilate the internal brick wall.
