Roof deck and underlayment where hidden leaks start

Roof leak detection in New Braunfels, TX

The stain is not always under the hole. Find where water really gets in first, so you only pay to fix the right spot.

When does your leak show up?

What it may mean

Water may be blowing under flashing, a vent cap, or a wall joint. Normal rain does not reach it.

What gets checked

The roofer checks the side of the roof that faces the storm, plus wall and chimney flashing.

Why the stain is far from the hole

Diagram of water moving under flashing and along the roof deck
  1. 1. Water runs downhill

    It lands on the roof deck, then rolls along wood or pipes before it drips.

  2. 2. Insulation hides it

    Wet insulation soaks up water, so the stain shows up far from the hole.

  3. 3. Old patches confuse it

    Layers of tar can hide the real opening under a spot that looks sealed.

How fast should you find the leak?

Can Wait

  • • Musty smell only in the attic, no stains

Check Soon

  • • A stain that shows up only in hard rain
  • • Leak fixed before, but it came back

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  • • Active drip you cannot trace
  • • Water running down an inside wall

How a leak gets tracked down

  1. 1

    Talk through the pattern

    When does it leak? Which rain? Which room? This narrows the search fast.

  2. 2

    Start inside

    Look in the attic with a light. Follow stains, wet wood, and rusty nails uphill.

  3. 3

    Match it on the roof

    Check the spot above: pipe boots, vents, valleys, flashing, and nail pops.

  4. 4

    Test if needed

    Some leaks need a careful water test, one section at a time, to prove the source.

  5. 5

    Show you the proof

    You get photos of the entry point before any repair is priced.

Think you found the problem?

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New Braunfels weather makes leaks sneaky

Spring storms push rain sideways, so some leaks only show in wind. Long, hot summers dry out sealant and pipe boots. Then a sudden downpour finds the crack. That is why a leak can hide for months, then show up all at once.

What changes the cost of roof leak detection in New Braunfels?

Every roof is different. Your exact price comes after the roof is checked.

FactorSmaller jobBigger job
Leak patternShows up every rainOnly in wind-driven storms
Attic accessOpen attic you can walk inNo attic or a sealed ceiling
Roof typeSimple shingle roofMany valleys, dormers, or skylights
Past repairsNo old patchesLayers of old sealant to read through

Common questions

Why can't I just fix the spot above the stain?

Water often travels before it drips. The hole can be several feet uphill from the stain. Fixing the wrong spot means the leak comes back.

How long does leak detection take?

Simple leaks can be found in one visit. Leaks that only show in wind-driven rain may need a water test or a second look after a storm.

Do I need a roofer or a home inspector?

For a leak, start with a roofer. A roofer can find the source and fix it. A home inspector usually only reports what they see.

Can I look for the leak myself?

You can check the attic with a flashlight and take photos. Please stay off the roof. Wet or steep roofs are dangerous.

What if the leak is not the roof?

Sometimes it is a window, siding, AC line, or plumbing. A good roofer will tell you so instead of selling a roof repair.

Will I get photos of what was found?

Ask for photos of the entry point. You should see the problem before you agree to a repair.

Found it? Next steps

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