SJ&H Roofing

Alamo Roofing Company | SJ&H Roofing – Roof Repair and Replacement

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Storm clouds over homes in Alamo and the Rio Grande Valley

Roof Repair & Replacement in Alamo, TX

Alamo sits right on the pressure boundary between McAllen’s heat load and Donna’s moisture channels —
a zone where roofs take on rapid-fire stress. Shingles flex differently here, sealant strips soften
faster, and uplift pressure spikes hit harder when wind tunnels form east-to-west across the RGV.
That’s why Alamo homeowners often see corners lifting, fresh granules, nail pops, and “only when the
wind blows” leaks during weather swings.

How Alamo’s Climate Affects Roof Systems

Because Alamo lies between McAllen, Donna, and Pharr, air masses constantly collide over this area.
When those temperature and pressure differences meet, roofs experience rapid expansion–contraction
cycles that expose weak points quickly. Shingle fields flex, sealant strips cycle between soft and
brittle, and deck movement can push fasteners up through the surface.


View all SJ&H Roofing locations →

SJ&H Storm Tracker (Alamo, TX & Rio Grande Valley)

Want to see what’s moving toward Alamo and the central Rio Grande Valley? This is the same public
storm data we watch for straight-line wind, hail shafts, and “it only leaks when it really rains” calls.

Storm data source: National Weather Service (NWS)


Tap to Load Rio Grande Valley Radar Loop (Fast Mode)

NWS radar loop — Rio Grande Valley near Alamo, TX

Tip: tap the radar image to open the interactive live radar.

Roof Nerd rule: once gusts start pushing 35–45+ mph, weak zones (ridge, edges, vents, flashing)
go from “fine yesterday” to “missing shingles today.”

Leak? Missing shingles? Call now:
956-833-2669

Popular Services in Alamo & the Rio Grande Valley

Roof Repair

Corners of shingles lifting during directional wind, granules after warm, humid mornings, nail pops, and
“only when the gusts hit” leaks — we trace those patterns back to the exact failure point in Alamo’s
pressure boundary.

Schedule an Inspection →

Roof Replacement

When repeated expansion–contraction cycles and uplift strain have finally spent the system, we document why —
deck movement, thermal shear lines, and humidity-loaded joints — then rebuild with materials and fastening
designed for Alamo’s heat, wind, and moisture.

Request a Quote →

Storm Damage Repair

Storms moving through Alamo rarely hit evenly. Pressure corridors between Alamo, Pharr, and Weslaco can
force water laterally beneath shingles or into wall transitions. We map wind-crease lines, sealant failure,
and leak paths so repairs actually stop the intrusion.

Book an Inspection →

Emergency Roofing

Active leak or storm damage in Alamo? We provide emergency dry-in first, then build a step-by-step plan for
permanent repair or replacement so you’re not guessing.

Get Help Fast →

Texas-Grade Roofing Systems

Shingle, metal, and specialty systems built for RGV heat, wind, and humidity — not just “good enough”
inland specs. We select systems that can live on Alamo’s pressure boundary.

Talk Options →

Clean, Professional Workmanship

Local, repair-first service with crews that protect your property, clean up thoroughly, and
keep you informed from first inspection through final walkthrough.

See the SJ&H Difference →

Need more than roof work? We also provide
gutter replacement,
fascia & soffit repair,
and
siding replacement & repair.

GAF Video Vault (Timberline Series)

Quick 1–3 minute clips from GAF that explain the Timberline lineup and what the wind rating language actually
means.

Video source: GAF (official YouTube)

Timberline HDZ — Unlimited Wind Rating

Timberline HDZ Shingles

Timberline UHDZ Shingles

Questions about which shingle fits your home? Call now:
956-833-2669

The SJ&H Process

  • Inspection first: we locate the failure point, not just the symptom.
  • Photo documentation: labeled photos + clear notes so you can actually understand what’s happening.
  • Recommendation: repair when it’s repair; replace only when the system is truly spent.
  • Work performed correctly: flashing, sealing, ventilation logic, and wind/heat detailing done right.
  • Final check: we confirm the fix, walk you through what was done, and document the result.

Why Homeowners Trust SJ&H

Expert Craftsmanship

Expert Craftsmanship

Our crews are trained, certified, and field-tested on Gulf Coast and RGV roofs. Every project is led
by a senior foreman who inspects each phase so your roof survives wind, heat, and storm cycles.

Premium Quality

High Quality Materials

A strong roof starts with strong materials. We install premium shingles, metal systems, and underlayments
built to handle RGV heat, inland wind fields, and storm uplift.

Client Focused

Client-Focused Service

From inspection to completion, we communicate clearly, keep you updated, and handle documentation,
photos, and insurance guidance so nothing catches you off guard.

On-Time Scheduling

Prompt & Clean Work

We show up on time, finish on time, and clean up thoroughly. Crews protect your property, remove debris
daily, and minimize disruption to your home or business.

Transparent Pricing

Transparent Pricing

You’ll always know scope, cost, and timeline before work begins. We provide clear roof-cost breakdowns
and flexible financing options — including 0% programs.

Why Homeowners Choose SJ&H Roofing

SJ&H Roofing exists for one reason: roofs in Mississippi, the Coastal Bend, and the Rio Grande Valley
don’t behave like roofs in mild inland climates. Gulf-driven wind, storm tracks, extreme heat, and
humidity create uplift pressure, fatigue materials, and push water through micro-gaps and underlayment
laps before it ever shows up inside.

That’s why we’re inspection-first in every market we serve. We diagnose, document, and explain before we
recommend anything — so you don’t get shoved into a replacement when a repair would have solved it.

Inspection-first approach

We locate the true failure point, not the first visible symptom — and we prove it with labeled photos and notes.
Wind + heat + moisture logic

Uplift zones, pressure shifts, moisture migration, flashing transitions — we fix the actual mechanics
behind the leak, not just the cosmetic symptoms.
Repair when it’s repair

Most leaks are repairable early. Catch it now, fix it correctly, and avoid “storm-compounded” failures
that force full replacement.
Documentation that protects you

Timestamped photos + clear reporting give you evidence — not guesswork — for both repairs & insurance.

Alamo Roofing FAQs

Do you repair roofs or only replace them?
We repair whenever it’s repair. If replacement is truly the smarter move, we document why — so you’re
deciding based on evidence, not pressure.

Can you help after storms?
Yes — we inspect uplift strain, wind-crease lines, sealant failures, and moisture entry paths in
Alamo’s storm corridors, then provide photo documentation and the correct fix plan.

How fast can you get out here?
If it’s actively leaking or storm-related, call the McAllen / RGV number below — we prioritize active
leak and storm damage situations.

Service Areas – Texas & Rio Grande Valley

Corpus Christi
Portland
Rockport
Aransas Pass
Ingleside
Sinton
Calallen
Kingsville
Robstown
Padre Island
McAllen
Mission
Pharr
Edinburg
Weslaco
Donna
Alamo

Texas Roofing Authority Resources

Corpus Christi Roofing Guide
Texas Wind
Texas Humidity
Texas Insights

Need help fast? Call your local SJ&H Roofing team:

Biloxi / Pascagoula / Mississippi Gulf Coast:
228-546-2495
|
Corpus Christi / Coastal Bend:
361-248-8540
|
McAllen / Rio Grande Valley:
956-833-2669