Rolled roofing is a popular choice for many homeowners and contractors due to its affordability and ease of installation. This material is often used on low-slope roofs and smaller structures such as sheds, garages, and porches. Understanding the different types of rolled roofing materials can help in selecting the right product for a roofing project. This article will explore the main varieties, their features, benefits, and typical applications to guide informed decisions.
| Rolled Roofing Type | Material Composition | Common Features | Typical Uses | Average Lifespan |
|---|---|---|---|---|
| Asphalt-Saturated Felt | Fiberglass or organic base saturated with asphalt | Economical, lightweight, easy to install | Low-slope residential roofs, underlayment | 5-10 years |
| Asphalt Roll Roofing (Modified Bitumen) | Asphalt with fiberglass mat and mineral granules | Durable, weather-resistant, fire-resistant | Low-slope roofs on homes and outbuildings | 10-15 years |
| Rubberized Asphalt Roll | Asphalt blended with rubber polymers | Flexible, waterproof, UV resistant | Flat roofs, areas with temperature swings | 15-20 years |
| Metal Rolled Roofing | Steel or aluminum panels in roll form | Long-lasting, corrosion-resistant, lightweight | Garages, barns, agricultural buildings | 30+ years |
Overview Of Rolled Roofing Materials
Rolled roofing is a type of roofing material sold in rolls, typically 36 inches wide and approximately 33 feet long. It is designed for quick installation on roofs with slopes less than 3:12. The main advantage of rolled roofing is its cost-effectiveness compared to shingles or tiles. While it may not offer the aesthetic appeal of other roofing types, rolled roofing excels in practicality for certain applications.
Different rolled roofing material types vary in composition, durability, and cost. Generally, rolled roofing can be categorized into asphalt-based, rubberized, and metal varieties. Each has unique characteristics suited for specific environments and roofing needs.
Asphalt-Saturated Felt Roofing
One of the oldest and most widely used rolled roofing materials is asphalt-saturated felt. Constructed from either organic fibers or fiberglass mats saturated with asphalt, it provides a water-resistant barrier. While it is primarily used as an underlayment beneath shingles or other roofing materials, it can also be applied directly as a primary roofing material for low-cost structures.
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This material is lightweight and easy to work with, making it popular for DIY projects and quick repairs. However, it has a relatively short lifespan, typically lasting between 5 to 10 years. It is less durable against UV radiation and physical damage, so it performs best when covered or painted with a protective coating.
Asphalt Roll Roofing (Modified Bitumen)
Asphalt roll roofing, often referred to as modified bitumen roofing, is durable and weather-resistant. It incorporates fiberglass mats coated with asphalt and mineral granules on the surface, improving resistance to sun damage, fire, and water penetration. Mineral granules also provide a textured finish that increases traction, which is an important safety feature during installation and maintenance.
This type is widely used on residential buildings with low slopes due to its balance between cost and performance. It offers an average lifespan of 10 to 15 years, depending on climate conditions and installation quality. Recent products have enhanced adhesion properties that reduce the risk of blow-offs or peeling.
Rubberized Asphalt Rolled Roofing
Rubberized asphalt roll roofing is a high-performance option designed for longer-term durability. This variant blends traditional asphalt with synthetic rubber polymers to increase flexibility, making it ideal for roofs prone to movement or temperature fluctuations. It offers excellent waterproofing and UV resistance.
Because of its enhanced flexibility and waterproof characteristics, rubberized asphalt rolled roofing is often used on flat or nearly flat roofs where water drainage is minimal. It commonly lasts 15 to 20 years or more. This material is also favored in regions with harsh winters and hot summers due to its ability to withstand expansion and contraction.
Metal Rolled Roofing
Metal rolled roofing comprises sheets of steel or aluminum delivered in rolls, which are then cut and shaped on site. This type of rolled roofing is valued for its longevity and structural strength. Metal roofing resists corrosion when treated with protective coatings, making it suitable for environments exposed to moisture and salt air.
Metal rolled roofing is commonly used on agricultural buildings, garages, barns, and storage sheds rather than on high-end residential homes. Its longevity can exceed 30 years, and it provides excellent resistance to wind, hail, and other weather hazards. While the upfront cost is higher than asphalt roofing, the durability and low maintenance make it cost-effective over time.
Factors To Consider When Choosing Rolled Roofing Material
The selection process for rolled roofing depends on various factors, including climate, budget, roof slope, and building use. Here are some key considerations:
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- Climate Resistance: Harsh sun, rain, snow, and temperature changes influence material performance. Rubberized asphalt or metal roofs perform better in extreme weather.
- Roof Slope: Most rolled roofing products are suitable for low-slope roofs (below 3:12 slope). Steeper roofs typically require shingles or tiles.
- Installation Ease: Asphalt and felt roll roofing are easier and quicker to install, making them suitable for DIYers and quick projects.
- Budget: Asphalt-saturated felt is the most budget-friendly option, while metal rolled roofing has a higher upfront price but offers better long-term value.
- Longevity: Consider the expected lifespan of the material and how often roof replacements or repairs are feasible.
Maintenance Tips For Rolled Roofing
Maintaining rolled roofing extends its life and preserves its protective qualities. Important maintenance practices include:
- Regular Inspections: Check for tears, cracks, or loose seams, especially after storms.
- Cleaning Debris: Remove leaves, branches, and dirt that can trap moisture.
- Proper Drainage: Ensure gutters and downspouts are clear to prevent pooling water.
- Protective Coatings: Apply weatherproof sealants or reflective coatings on asphalt roofing to reduce UV damage.
- Prompt Repairs: Address minor damage early to avoid leaks and structural issues.
Cost Comparison Of Rolled Roofing Types
| Material Type | Cost Per Square Foot | Installation Complexity | Typical Lifespan |
|---|---|---|---|
| Asphalt-Saturated Felt | $0.50 – $1.00 | Simple, DIY-friendly | 5-10 years |
| Asphalt Roll Roofing | $1.00 – $1.50 | Moderate, professional preferred | 10-15 years |
| Rubberized Asphalt Roll | $1.50 – $2.50 | Moderate, requires experience | 15-20 years |
| Metal Rolled Roofing | $3.00 – $5.00 | Complex, professional required | 30+ years |