Treat. Repair. Replace. We recommend what your roof actually needs.
Most Valley roofers sell one thing: an expensive replacement. We look at your roof and tell you whether ShingleLock rejuvenation will add years, minor repairs will fix the leak, or it's time for a new roof — before you spend thousands.
Or call (956) 555-0190- 6-Year Transferable Warrantyon qualifying treatments
- 30-Minute Free Assessmentacross Hidalgo County
- No Sales Pressurewe price all three options
- McAllen-BasedServing Hidalgo & Cameron Counties
Three services · One honest answer
Every other roofer arrives with one answer. We arrive with three.

01 · ShingleLock
Roof Rejuvenation
Restore oils, flexibility and granule adhesion to aging shingles. A fraction of replacement cost.
- Price anchor
- Fraction of replacement cost
- Best for
- 7–20 yr shingles
02 · Targeted fix
Roof Repair
Fix leaks, replace damaged shingles, reseal penetrations and flashing. Stop small problems becoming tear-offs.
- Price anchor
- From a few hundred dollars
- Best for
- Localised damage
03 · Full tear-off
Roof Replacement
When the deck is compromised, granules are gone, or insurance covers the claim. Architectural and Class 4 shingles.
- Price anchor
- $9,500–$16,500 typical
- Best for
- Failed or storm-hit roofs
Not sure which one you need? That's what the free assessment is for. We inspect the shingles, the decking, the flashing and the gutters, photograph everything, and give you an honest recommendation in writing.
Book an Inspection●●●●●
5.0
Rated by Rio Grande Valley homeowners
140,000+
Hidalgo County homes in the prime rejuvenation window
6 Years
Transferable warranty on qualifying treatments
100%
Bio-based, non-toxic, safe for plants and pets
01 · The Rio Grande Valley sun does not rest
Why Valley roofs dry out years ahead of schedule
Most roofing advice comes from the north, where roofs die from snow and freeze-thaw cycles. In Hidalgo County, the enemy is relentless heat.
McAllen averages daily highs above 92°F from late May through mid-September, with July and August averaging 97°F and close to thirty muggy days each. December averages highs near 73°F. Annual rain is only about 19 to 21 inches. Shingles here aren't being washed — they're being baked.
There is no winter break for your roof. The petrochemical oils inside your asphalt shingles bake out twelve months a year. Once those oils are gone, shingles dry, shrink, crack and lose their granules. Rain hits brittle shingles. Tropical storm winds lift them. A roof that could have lasted twenty-five years fails at twelve.

01
Granule loss
Mineral granules wash into gutters, exposing the asphalt mat to raw UV.
02
Brittleness
Shingles lose pliability and crack under wind flex instead of bending.
03
Curling & lifting
Edges curl upward, breaking the seal strip and catching wind.
04
Black staining & streaks
Gloeocapsa magma algae feeds on limestone filler in drying shingles.
02 · The science of ShingleLock
How a 100% bio-based treatment puts the oils back
Asphalt shingles are made of three things: a fiberglass mat, asphalt infused with natural petrochemical oils, and ceramic-coated granules pressed into the surface. Over years in the McAllen heat, those oils evaporate.
ShingleLock is a bio-based, agricultural oil treatment that penetrates deep into dried asphalt, replacing the lost oils with sustainable plant-derived ones. Within two to three hours of application, the shingles regain pliability, the asphalt swells to grip loose granules, and the roof's waterproofing flexibility is restored.
Read the full science100%
Pliability improvement
Shingles bend without cracking (ASTM D7349)
Up to 50%
Granule adhesion
Prevents mineral loss to gutters (ASTM D4977)
16%
Tear resistance
Increased resistance to wind-lift tearing (ASTM D1922)
68%
Fire resistance
Reduced flame spread rating (UL 790 / ASTM E108 Class A)
0%
Granule loss in hail testing
Tested under simulated hail impact (FM 4473)
0.02%
VOC content
Effectively zero VOCs, non-toxic, safe for landscaping
Independent testing conducted by PRI Construction Materials Technologies (pri-group.com), an ISO 17025 accredited laboratory.
6-Year transferable warranty
Every ShingleLock treatment on a qualifying roof is backed by a 6-year transferable warranty. If your treated shingles fail to maintain their pliability or shed excessive granules within six years, we re-treat the affected area at no cost. If you sell your home, the warranty transfers to the next owner at no charge — a tangible value-add on the resale disclosure.
* Roof must pass our initial qualification assessment. Heavily curled, structurally compromised, or leaking roofs require repair or replacement instead.
03 · The replacement dilemma
Why your insurance payout may not cover a new roof
Understanding Actual Cash Value (ACV) vs. Replacement Cost Value (RCV) in Hidalgo County.
What most homeowners expect
Replacement Cost (RCV)
- Roof damage occurs from wind or storm
- Contractor quotes $14,000 replacement
- Homeowner pays $2,000 deductible
- Insurance covers the remaining $12,000
Reality: only applies if you have full RCV coverage and your roof meets carrier age thresholds.
What actually happens to older roofs
Actual Cash Value (ACV)
- Contractor quotes $14,000 replacement
- Carrier depreciates a 14-year-old roof by 60–70%
- ACV payout: $4,500 minus $2,000 deductible = $2,500 check
- Homeowner is left with an $11,500 out-of-pocket gap
This is the exact gap where ShingleLock rejuvenation offers a third option.
"If your carrier depreciated your roof and you're staring at an $8,000 to $12,000 out-of-pocket bill for a replacement you weren't planning on — stop. Let us inspect the roof. If the deck is sound and the shingles qualify, rejuvenation can add years of life at a fraction of that out-of-pocket cost, giving you time to plan without a leak."
Read the Full Insurance GuideLone Star does not adjust or negotiate insurance claims and never waives, pays or rebates deductibles.
04 · Four simple steps
From inspection to protected roof in under a week

Treatment day: most roofs are done in 1–2 hours.
Step 1
Book the Assessment
Pick a day and time on our calendar. Takes 30 minutes. You don't even need to be home as long as we have gate access.
Step 2
Full-Roof Inspection
We get on the roof, inspect every slope, check pipe boots and flashing, photograph every issue, and check shingle pliability.
Step 3
Written Recommendation
You receive photos and a straight recommendation: rejuvenation, targeted repair, full replacement, or nothing needed yet. With exact pricing for each qualifying path.
Step 4
Treatment or Service Day
Most ShingleLock treatments take 1 to 2 hours. Zero mess, non-toxic, safe for grass, plants and pets. Your roof is protected that afternoon.
05 · Targeted restoration
When you don't need a new roof — just a proper fix
Not every problem calls for a whole-roof solution. A cracked pipe boot, five wind-torn shingles from a spring gust front, or a leaking valley doesn't mean your entire roof is dead.
Pipe boot & penetration resealing
The #1 cause of minor leaks in McAllen. Neoprene boots dry out in the UV long before shingles fail.
Wind-damaged shingle replacement
Matching architectural shingles installed and woven in to restore the continuous water barrier.
Valley & flashing repair
Re-flashing chimneys, sidewalls, and valleys where water volume is highest.
Ridge cap restoration
Ridge caps take the most heat and wind. Replaced or resealed without touching the slopes.

06 · Full roofing services
When it's time for a new roof, we do it right
We won't sell you rejuvenation if your roof needs a tear-off. If the decking is soft, the shingles have zero asphalt remaining, or storm damage has compromised multiple slopes, replacement is the only honest answer.
Most asphalt replacements on 2,000 sq ft Valley homes run between $9,500 and $16,500, depending on roof complexity and shingle class. We install architectural asphalt and Class 4 impact-resistant systems designed for South Texas heat and tropical wind.
Our installation crews have replaced hundreds of residential and commercial roofs across Texas, with full permitting, manufacturer warranties, and a clean-site guarantee.
Get a Replacement EstimateReal roofs · Real results
See the difference ShingleLock makes

Treated vs. untreated, side by side
The darker band is freshly treated. The faded slope beside it is what Valley sun does to shingles.
Photos show ShingleLock applications on residential roofs.
Side by side
Rejuvenate, repair, or replace? A quick comparison
| Factor | Rejuvenation |
|---|---|
| Typical cost | Fraction of replacement |
| Time on site | 1 – 2 hours |
| Disruption | Near zero · no dumpster |
| Environmental impact | Zero landfill · 100% bio |
| Warranty | 6-year transferable |
| Best for | 7–20 yr dry shingles |
Repair and replacement figures are typical Rio Grande Valley costs. Your written estimate is based on your roof.
07 · Straight answers
Questions Valley homeowners ask us
Stop guessing what your roof needs.
Book a 30-minute assessment. We inspect every slope, photograph everything, and give you honest options with exact pricing.