Expert Residential Re-Roofing & Roof Replacement in Agoura Hills, CA
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TRUSTED Agoura Hills RESIDENTIAL RE-ROOFING & REPLACEMENT SINCE 1999
COMPREHENSIVE RESIDENTIAL REPLACEMENT IN AGOURA HILLS
We offer specialized services for the heavy-duty tile and high-wind composition shingle roofs common throughout Agoura Hills, as well as expert installation and repair of durable, weather-resistant low-pitch roofing systems designed for long-term performance and proper drainage. GreatWay Roofing is an established and trusted Agoura Hills roofing company that provides only the very best in craftsmanship and service.
A complete roof replacement in Agoura Hills is a significant asset investment that resets your home’s structural durability. Shifting far beyond a basic repair, our specialized process involves a total tear-off of old materials down to the wooden deck, allowing us to inspect the underlying substrate for hidden dry rot or structural weaknesses before installing premium, fire-rated materials. We understand the distinct environmental forces local properties must withstand—from the intense, direct sun exposure across the valley floor to the powerful seasonal Santa Ana winds that frequently impact the Texas Tract and surrounding canyon neighborhoods.
Fire Protection & Wildfire Safety

During a re-roof, we prioritize “home hardening” by installing O’Hagin Fire & Ice® low-profile vents. These specialized vents are designed specifically for new installations to block dangerous embers from entering your attic during a wildfire while providing superior ventilation.
We conduct our Agoura Hills Roofing business in a manner that elevates how roofing contractors are perceived by individual homeowners and commercial clientele alike. Customer service is paramount at GreatWay Roofing Company.
GreatWay Roofing
Serving Agoura Hills, CA 91301
(805) 523-2550
Is it Time for a New Roof? 5 Signs to Watch For
Curling, Cracked, or Missing Shingles: Visible damage is a clear warning that your roof’s protective layer is compromised and no longer shielding your home.
Granules in Your Gutters: If you find “sand” or heavy granule buildup in your gutters, it’s a sign that your shingles are reaching the end of their functional lifespan.
The Age Factor: Asphalt shingle roofs over 20 years old, or tile roofs with aging, brittle underlayment, are considered high-risk for sudden failure.
Interior Ceiling Stains: Water spots or yellowing on your ceiling indicate that water has already bypassed your roofing system and is damaging your home’s structure.
Cracked or Slipped Tiles: Strong winds and intense heat in Moorpark can cause tiles to shift or crack, exposing the sensitive underlayment and damaging your home’s structure.
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MINIMUM ROOFING REQUIREMENTS
Listed here is a breakdown of the minimum roofing requirements based upon the most common existing roof coverings for Agoura Hills.
Categories:
Asphalt Shingle:
Tile:
Low Slope:
# of Layers
Max layers = 2
Max layers = 1
No addl. layers permitted
Added layers may require Engineer’s Report
Plywood
Use existing
Replace as needed
Use existing
Replace as needed
Use existing
Replace as needed
Min. Felt
Underlayment*
ASTM D226 Type I 15#)
30# recommended
ASTM D226 Type II (30#)
40# recommended
Not Applicable
Min. Fire
Rating
Class A Min.
Class A Min.
Class B Min.
Recommended Class A
Color Restrictions
**No Restrictions**
**No Restrictions**
**No Restrictions**
Max. Weight
**6lbs. Per sq. ft. Over 6lbs. Requires Engineer’s Report**
**6lbs. Per sq. ft. Over 6lbs. Requires Engineer’s Report**
**6lbs. Per sq. ft. Over 6lbs. Requires Engineer’s Report**
*Roofs with a slope of less than 4:12 require a minimum of 2 layers of a 15lb. ASTM D226 Type I felt underlayment.
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