Steep-Slope Roof Upgrade in Long Beach — GAF Timberline HDZ-RS

February 16, 2026
1:44 pm
Uncategorized

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Golem Roofing completed a steep-slope shingle roof installation project in Long Beach, CA. A standard shingle roof replacement includes complete tear-off of the old material, deck inspection and repair of any damaged plywood, installation of synthetic underlayment, and new architectural shingle installation with matching hip and ridge caps. The process varies by roof size, pitch, number of stories, and how many old layers need removal. GAF Timberline HDZ is the #1-selling shingle in North America, offering Class A fire rating and up to 50-year warranty coverage when installed by a GAF Certified contractor.

How a Shingle Roof Replacement Works

$8,000–$25,000

Typical Cost Range

2–5 Days

Typical Duration

Class A

Fire Rating

Up to 50 Years

GAF Warranty

How a Shingle Roof Replacement Works

A standard shingle roof replacement includes complete tear-off of the old material, deck inspection and repair of any damaged plywood, installation of synthetic underlayment, and new architectural shingle installation with matching hip and ridge caps. The process varies by roof size, pitch, number of stories, and how many old layers need removal. GAF Timberline HDZ is the #1-selling shingle in North America, offering Class A fire rating and up to 50-year warranty coverage when installed by a GAF Certified contractor.

What to Know About Shingle Roof Replacement

Material Choice Matters: Architectural (dimensional) shingles last 25–50 years vs. 15–20 years for 3-tab shingles — and cost only 15–20% more
Deck Inspection: A proper replacement includes checking every square foot of plywood sheathing. Damaged sections must be replaced before new shingles go on
Ventilation: Proper attic ventilation extends shingle life by reducing heat buildup. Ridge vents + soffit vents are the standard system
Cleanup: Professional roofers use magnetic nail sweepers across the entire property after tear-off to prevent tire punctures and injuries

Frequently Asked Questions

How long does a shingle roof replacement take?

Most residential shingle replacements take 2–5 days depending on roof size, pitch, and complexity. Single-story homes with standard pitch are typically faster. Multi-story homes, steep slopes, or roofs with multiple penetrations (skylights, chimneys, vents) take longer.

What is the best shingle brand for California?

GAF Timberline HDZ is the most popular choice — it’s the #1-selling shingle in North America, carries a Class A fire rating (critical in California), and comes with up to a 50-year warranty when installed by a GAF Certified contractor. For coastal and high-wind areas, GAF Timberline HDZ-RS is rated for winds up to 130 mph.