Shingle Roofs in San Diego:
Installation, Repair, and Maintenance by TWM Roofing
Composition (“comp”) shingles (also called asphalt shingles) are one of the most popular roofing systems in San Diego thanks to their durability, style options, and value. TWM Roofing installs and replaces shingle roofs the right way: proper underlayment, ventilation, flashing details, and manufacturer-approved systems designed to perform in Southern California’s sun, wind, and seasonal rain.
Best for: single-family homes, condos, ADUs, and sloped roofs across San Diego County.
What Are Comp Shingles?
Comp shingles are asphalt shingles made with a fiberglass base, asphalt waterproofing, and protective granules. Most homes today use architectural (dimensional) laminated shingles, which are thicker, longer-lasting, more wind-resistant and more attractive than older 3-tab shingles.
Why Choose Shingle Roofs?
The Quality You're Looking For
- Affordability: Shingle roofs are one of the most cost-effective roofing solutions available. Made primarily from asphalt, shingles are budget-friendly without sacrificing durability or effectiveness, making them an ideal choice for both homeowners and business owners looking for quality within their budget.
- Variety of Styles and Colors: Shingles come in a wide range of colors, textures, and styles. Whether aiming for a traditional or modern look, shingles offer ample flexibility to match your home’s style and neighborhood aesthetic. Options like architectural shingles add depth and dimension, providing a high-end look without the high-end price.
- Durability and Performance: Asphalt shingles are designed to last, typically providing a lifespan of 15-30 years, depending on quality and upkeep. Their durability in different weather conditions makes them an excellent choice for San Diego’s warm, sunny climate and occasional rain.
- Energy Efficiency: Certain shingle types, like “cool” shingles, are designed to reflect more sunlight than traditional options, which helps reduce heat absorption. This reflective property can contribute to lower cooling costs for your home, an added benefit in warmer climates as in San Diego.
Shingle Roofing Services We Offer
Shingle Roof Replacement (Tear-Off + Re-Roof)
Remove old shingles, inspect decking, install new underlayment and flashing, then install the new shingle system.
Shingle Re-Roof
Install new shingles over existing shingles with new flashings.
Shingle Roof Repairs
Targeted repairs for missing/damaged shingles, nail pops, cracked pipe boots, valley issues, and flashing leaks.
Leak Repairs + Flashing & Detail Work
Chimneys, skylights, wall-to-roof transitions, dormers, dead valleys, and penetrations where most
leaks actually start.
Ventilation Improvements (When Needed)
Balanced intake/exhaust helps extend roof life and reduce heat buildup.
Wood Replacement (If Discovered)
If we find damaged sheathing during tear-off, we replace it so your new roof is installed on a solid foundation.
Watch our YouTube video covering this.
Note: “Lift & relay” is for tile roofs, not shingles. Shingles are installed with nails and seal strips and typically require replacement rather than being lifted and reused.
Common Shingle Roof Issues and Repairs
- Missing or Damaged Shingles: Strong winds, heavy rain, and aging can cause shingles to loosen or crack. Missing shingles should be replaced promptly to prevent leaks and water damage.
- Granule Loss: Shingles are coated with granules to improve durability and UV protection. Over time, granules can wear off, especially in high-traffic areas like valleys or near vents. Granule loss may indicate that shingles are nearing the end of their lifespan and need replacement.
- Leaks and Water Damage: Leaks are common in older or poorly maintained shingle roofs. Damaged or loose shingles, deteriorated flashing, or improper installation can all contribute to leaks. Regular inspections can help catch these issues early.
- Curling or Buckling: Shingles that start to curl or buckle are often a sign of age or inadequate ventilation. When shingles lose their flatness, they become more susceptible to wind damage and leaks, making repair or replacement essential.
Shingle Roof Maintenance Tips
- Regular Inspections: Inspecting a shingle roof at least twice a year (especially after the rainy season) can help identify issues like loose or missing shingles, damage around flashing, and signs of granule loss. TWM Roofing offers professional inspections to ensure your roof is safe and secure.
- Debris Removal: Leaves, branches, and debris can accumulate on the roof, especially around chimneys, gutters, and vents. Removing this debris helps prevent moisture buildup, which can cause shingles to deteriorate faster.
- Gutter Maintenance: Clogged gutters can lead to water backup, potentially damaging the edges of the roof and causing leaks. Regular gutter cleaning ensures proper water flow and protects the roof structure.
- Addressing Minor Repairs Promptly: Small issues, like a few missing shingles or minor leaks, should be repaired as soon as possible. Prompt repairs prevent minor issues from turning into major, more costly repairs.
Shingle Roof Installation and Repair Services by TWM Roofing
Shingle Systems & Warranties
When you replace your roof with TWM Roofing in San Diego, you can benefit from industry-leading warranty options from both GAF and Malarkey, depending on the shingle system you choose.
GAF Shingles
For homeowners who select GAF shingles, TWM Roofing is a GAF Master Elite contractor, which means you may qualify for the GAF Golden Pledge® Warranty. This warranty includes a 25-year non-prorated workmanship guarantee covering installation-related issues, plus a 50-year non-prorated material warranty for the roofing system, one of the most comprehensive warranty packages available and a major source of long-term peace of mind.
Malarkey Shingles
For homeowners who choose Malarkey shingles, Malarkey provides standard warranty coverage, and also offers enhanced warranty tiers that depend on the contractor qualifications and whether the complete Malarkey roofing system is installed. TWM Roofing is a Malarkey Certified Pro contractor, our roofers completed in-person training and passed Malarkey’s testing requirements. We are also Malarkey Certified Premium, meaning we’ve completed Malarkey’s advanced training and our work is eligible for inspection by Malarkey’s technical team. When the full system requirements are met, the Premium tier can include a 25-year workmanship warranty for installation-related issues, delivering added protection and confidence in your roof investment.
Final warranty eligibility depends on system requirements, registration, and manufacturer terms.
These warranties provide exceptional coverage, ensuring that your investment is protected for decades to come.
Our commitment to customer satisfaction and professionalism has earned us the trust of over 10,000 clients and
numerous positive online reviews. We proudly hold esteemed certifications, which reflect our commitment to exceptional service and roofing expertise.
Why TWM Roofing for Shingle Roofs in San Diego
- Experienced crews and detail-first installation
- Manufacturer-certified systems (GAF + Malarkey options)
- Clean job sites, clear communication, and professional scheduling
- Code-conscious installs with proper flashing and ventilation strategies
What to Expect
- Roof assessment + photos of key areas
- Clear recommendations and scope
- Scheduling with minimal disruption
- Tear-off, prep, install, cleanup
- Final walkthrough and documentation
Proudly serving homeowners across San Diego County. From San Diego, La Jolla, Clairemont, Mission Valley, Pacific Beach, Point Loma, Chula Vista, National City, Bonita, and San Carlos to El Cajon, La Mesa, Santee, Poway, Rancho Bernardo, Mira Mesa, Scripps Ranch, Escondido, Ramona, Valley Center, Fallbrook, Bonsall, Encinitas, Carlsbad, Vista, San Marcos, and Oceanside, TWM Roofing is here when you need dependable shingle roof service you can trust. If you’re looking for expert shingle roof repairs, maintenance, or replacement in San Diego, call TWM Roofing at (760) 731-0777 today, and let’s discuss how we can keep your roof in peak condition for lasting protection and long-term value.
