How to Install Asphalt Starter Shingles on a Roof

Asphalt starter on roof installations play a critical role in a shingle roof’s weather resistance and longevity. This article explains what asphalt starter shingles are, why they matter, how to choose the right product, step-by-step installation methods, common mistakes to avoid, maintenance tips, and cost factors. Proper starter shingle installation significantly improves edge sealing, wind resistance, and overall roof performance.

Topic	Quick Takeaway
Purpose	Seals eaves and rakes; prevents wind uplift.
Materials	Starter shingles, underlayment, nails, adhesive as needed.
Installation Time	Few hours for typical roof sections; larger roofs take longer.
Cost Impact	Small percentage of total roof cost but high value.

What Are Asphalt Starter Shingles?

Asphalt starter shingles are narrow strips placed along the eaves and rakes before the first course of shingles. They may be factory-manufactured starter shingles or cut from standard architectural shingles. They create a sealed, uniform edge that reduces water infiltration and prevents the first course from blowing off in high winds.

Why Use Asphalt Starter On Roof?

Starter shingles perform multiple protective and performance functions on a roof. They cover nail holes at the edge, provide an adhesive surface for the first shingle row, and form a continuous barrier against wind-driven rain. Without starter shingles, the leading edge of the roof is vulnerable to uplift, leakage, and premature shingle failure.

Choosing The Right Starter Shingle

Selecting the appropriate starter materials affects compatibility, warranty, and longevity. Options include factory-manufactured starter strips, peel-and-stick starter rolls, and starter strips cut from architectural shingles. Choosing a starter product that matches the shingle manufacturer’s recommendations preserves warranty coverage and ensures the best adhesion and fit.

Consider these factors when choosing starter shingles:

• Compatibility: Match brand and shingle profile when possible to maintain warranty.
• Material Type: Asphalt-saturated fiberglass vs. peel-and-stick—each has pros and cons.
• Climate: Use higher-adhesion options in high-wind or freeze-thaw regions.
• Color Match: Matching color improves appearance at the eaves and rakes.

Step-By-Step Installation

Preparation

Proper preparation ensures a secure starter shingle installation. Inspect the deck, underlayment, and drip edge before laying starter shingles. Repair any damaged sheathing, install underlayment per local code, and fasten drip edge to provide a stable nailing surface.

Installation Steps

The following describes a typical installation for asphalt architectural shingles with factory starter strips. Adjustments may be necessary for specialty or peel-and-stick products.

1. Align Drip Edge: Install metal drip edge along eaves, then underlayment over the drip edge at rakes or per local practice.
2. Position Starter Strip: Lay the starter strip with the adhesive or weathering surface facing up if required; ensure the bottom edge aligns with the drip edge or overhang as specified.
3. Butt Joints And Overlaps: Butt starter strips end-to-end without overlapping to create a uniform edge; for cut shingle starters, stagger joints similar to field shingles.
4. Nailing Pattern: Fasten starter strips with roofing nails in the same pattern recommended for field shingles, keeping nails below the adhesive band and out of the exposure zone.
5. Install First Course: Lay the first course of shingles directly over the starter, ensuring the tabs align and bond with the starter’s adhesive. Seal edges with roofing cement in exposed or high-wind areas.

Adhere strictly to the shingle manufacturer’s nail pattern, nail length, and placement instructions to avoid compromised performance or voided warranties.

Common Mistakes And How To Avoid Them

Several common errors reduce starter shingle effectiveness. Avoid these to maintain roof integrity and warranty compliance. Correct installation prevents early deterioration and wind damage.

• Skipping Starter Shingles: Omitting starter strips may save time but significantly increases wind uplift risk.
• Incorrect Alignment: Misaligned starter strips lead to uneven first course exposure and potential leaks.
• Improper Nailing: Overdriven, under-driven, or misplaced nails reduce holding power and can create puncture paths.
• Using Wrong Materials: Cutting starter from incompatible shingles or mixing brands can void warranties and impair sealing.

Maintenance And Inspection Tips

Regular inspection and maintenance help starter shingles continue protecting the roof edge. Check for loose starter strips, torn edges, and adhesive failure after severe weather. Inspect eaves and rakes twice a year and after storms to catch issues early.

Maintenance checklist:

• Look for lifted edges or missing tabs at the eaves and rakes.
• Check for rusted or backed-out nails and replace as needed.
• Seal any small gaps with compatible roofing cement to restore adhesion.
• Trim overhanging tree limbs and remove debris to reduce wind and water exposure.

Cost Considerations And Lifespan

Starter shingles represent a small portion of total roofing cost but offer high return on investment by extending shingle life and reducing wind damage. Factory starter strips or starter rolls typically cost a few dollars per linear foot, varying by brand and location. Including starter shingles is a cost-effective way to protect the roof and maintain manufacturer warranty coverage.

Factors affecting lifespan and cost:

• Material Quality: Premium starter products last longer and bond more reliably.
• Climate Exposure: High winds, salt air, and UV accelerate wear and may require better adhesion products.
• Installation Quality: Proper nailing, alignment, and sealing reduce early replacement needs.

Code, Warranty, And Manufacturer Guidelines

Local building codes and shingle manufacturer instructions should guide starter shingle selection and installation. Many manufacturers explicitly require starter shingles for warranty validation. Following these guidelines prevents disputes and ensures compliance with local code and wind-rating requirements.

Key points:

• Refer to the shingle installation instructions for approved starter products and nailing patterns.
• Document installation with photos when warranty or insurance claims may be needed later.
• Check local building codes for specific eave and rake requirements, such as drip edge and underlayment sequencing.

When To Use Peel-And-Stick Starter Strips

Peel-and-stick starter strips are increasingly used in coastal or high-wind areas for superior adhesion and immediate bonding. These self-adhesive products reduce the risk of wind uplift at the very first shock of gusts. Peel-and-stick starters are an excellent choice where enhanced adhesion or long-term adhesion performance is required.

Consider peel-and-stick when:

• Installing on steep rakes with high wind exposure.
• Working in regions with frequent freeze-thaw cycles that loosen conventional adhesive.
• Replacing a roof where existing starter adhesion failed previously.

Frequently Asked Questions

Can Standard Shingles Be Used As Starter Strips?

Yes, cutting tabs from standard architectural shingles can form starter strips when factory starter is unavailable, but this must follow manufacturer guidance to avoid warranty issues. Cut starter pieces should mimic factory starter dimensions and align correctly to ensure secure adhesion.

How Far Should Starter Overhang The Drip Edge?

Starter should overhang the drip edge just enough to direct water into the gutter without exposing the deck. Typically a 1/4 to 3/8 inch overhang beyond the drip edge is sufficient. Excessive overhang can cause edge damage; too little may lead to water wicking under the eave.

Do Starter Shingles Require Additional Roofing Cement?

Starter shingles normally rely on their adhesive band when warm, but roofing cement may be used in high-wind areas or where adhesion seems weak. Follow manufacturer recommendations for using cement at the edges. Only use approved sealants to avoid compatibility and warranty problems.

Final Practical Tips For Contractors And Homeowners

Consistent, code-compliant starter installation pays dividends in roof performance. Homeowners should ensure contractors use compatible starter products and follow manufacturer instructions. Documentation, quality materials, and proper nailing are the trifecta that preserves the roof’s integrity and warranty.

Actionable checklist before roof installation:

• Confirm starter type with the shingle manufacturer.
• Inspect the deck, drip edge, and underlayment before starter installation.
• Use the correct nail type and pattern; document installation for warranty.
• Consider peel-and-stick starter in high-wind or coastal environments.

For further reading, consult manufacturer installation guides (e.g., GAF, CertainTeed, Owens Corning) and local building codes to ensure full compliance and optimal starter shingle performance.