October 4, 2026 · By Champion Brick Repair
If you own a brick home in Fort Worth, walk out to the base of your walls and look closely at the lowest courses of brick. You will see small, regularly spaced gaps in the vertical joints — usually open holes or holes fitted with little plastic or rope tubes. Those are weep holes, and they are one of the most important parts of your wall you have probably never thought about.
A brick veneer wall is not a solid wall. It is a skin of brick standing a couple of inches off the sheathing behind it, with an air gap — the wall cavity — in between. Water will get behind the brick: wind-driven rain, condensation, splash-back. The flashing at the bottom of the cavity collects that water and directs it outward, and the weep holes are where it exits. No weeps, no drainage. No drainage, the water sits inside your wall.
A working weep system does three jobs:
Drainage: water that reaches the bottom of the cavity exits through the weeps instead of soaking into the framing, sheathing, and foundation
Ventilation: the gaps let air circulate behind the brick so the cavity can dry out between storms
Pressure equalization: open weeps reduce the pressure difference that drives wind-driven rain deeper into the wall
You will also find weep holes above windows and doors and anywhere the wall’s flashing runs — every place water collects inside the cavity needs a way out.
During construction, mortar squeezes into the cavity and hardens into lumps and bridges at the base. Those droppings clog weeps from the inside — the homeowner sees a clean-looking hole from the outside while the drain behind it is sealed shut with mortar. This is the most common hidden cause of cavity water damage we find in Fort Worth homes.
This is the one you control. Flower beds, mulch, and re-graded soil get built up against the house over the years until the grade covers the first course of brick — and the weeps along with it. If you cannot see open weeps at the base of your wall, your mulch bed may have buried them. Weep holes have to daylight above the soil line or they cannot drain.
Well-meaning painters and handymen see open gaps at the base of the wall and “fix” them with caulk or paint. A caulked-shut weep is no weep at all. Weeps are supposed to be open — sealing them is one of the fastest ways to trap water inside a wall.
Mud daubers, spiders, and wind-blown debris plug weeps from the outside over time. A quick poke with a thin wire (gently — do not force it deep into the cavity) tells you whether the opening is clear.
Walk the full perimeter of your Fort Worth home and look at the lowest brick course:
Do you see open gaps in the head joints (the vertical mortar joints), spaced roughly every couple of feet along the base of the wall?
Are any of them buried under mulch, soil, or hardscape that was added later?
Are any of them caulked, painted over, or stuffed with foam?
Do you see staining, damp patches, or dark streaks above the weeps that suggest water is struggling to exit?
Also check above windows and doors — weeps should appear there too, at the flashing line. If a wall has no visible weeps anywhere and the house was built with brick veneer, that is worth a professional look: older homes sometimes never got them, and a missing weep system is a standing invitation for trapped moisture.
When weeps cannot drain, water lingers in the cavity. That lingering moisture is the root cause of a long list of symptoms we get called out for:
Efflorescence — white mineral salts pushed to the brick surface as water migrates through
Spalling and flaking brick faces as trapped moisture freezes or carries salts into the brick
Rot and mold in the sheathing and framing behind the veneer
Musty smells near baseboards on exterior walls after heavy rain — for what to watch for after storms, see After Heavy Rain: What North Texas Homeowners Should Look For on Their Brick
None of these start at the visible stain. They start at the base of the wall, where the drain was blocked years ago.
Keep weeps open, keep grade and mulch below them, and never let anyone caulk them shut. Ten minutes of perimeter inspection once a year costs you nothing — and it is the cheapest moisture insurance a brick home has.
If your weeps are buried, sealed, or missing entirely, that is a masonry problem, not a landscaping one. We can open clogged weeps, lower grade, and rebuild blocked drainage paths so the wall dries the way it was designed to.
For related services, see Champion Brick Repair’s masonry repair services and our full services page.
Champion Brick Repair is a division of Whitestone Construction, Hamilton, Texas, and is not affiliated with any other companies using similar names.
Concerned your weep holes are buried, sealed, or clogged?
Call or text photos: (817) 523-1540
Website:championbrickrepair.com
Estimate:quick and easy free online estimate
Review our work:Google Review page
Water trapped behind your brick is silent — let Champion Brick Repair find it before it rots anything, with a lifetime warranty.
