Roofing materials: how to compare your options

For many homes, the best starting point is to compare the material already on the roof with the options your local roofer can install as a complete, approved system. Asphalt shingles are often the practical baseline when you want a familiar, repairable option; metal may be worth a closer look when its installation details, appearance, and budget fit your project; and tile, slate, or other heavier materials need a roof-structure and local-approval conversation before they belong in a proposal. No material is automatically “best” because it is premium or popular. The useful choice is the one that fits your roof shape, local weather exposure, local rules, and written scope.

This is a planning guide, not a roof design or code determination. A roofer and the authority that enforces local building rules should confirm the final material and assembly for your home.

Start with the home and roof design

From the ground, note the roof shape, steepness, current material, skylights, chimneys, valleys, and where water drains. These details affect installation access and the water-shedding details a proposal must address. Do not walk on the roof to inspect it.

Tell each roofer whether you expect to keep the existing roof shape, whether an addition will need to match later, and whether you have had leaks, ice buildup, wind damage, or falling branches. Those facts do not choose a material by themselves, but they help the roofer explain which details need attention.

Compare options by fit, not by a label

Material family	Often a better fit if…	Pause or compare another option if…	Ask the roofer to explain
Asphalt shingles	You want a common residential material and a straightforward replacement conversation.	You are relying on a product name alone to solve a ventilation, flashing, or drainage problem.	The full shingle system, underlayment, flashing, ventilation, and how repairs would be matched later.
Metal roofing	You are prepared to compare panel or shingle profiles, edge details, and the installer’s system-specific plan.	The proposal is vague about transitions, penetrations, or how the material will be fastened and finished.	The exact profile, compatible accessories, water-shedding details, and how the work will be tested at completion.
Tile, slate, or another heavier covering	The home, budget, roof structure, and local approvals support a detailed evaluation.	A proposal assumes the existing structure can carry a different covering without explaining how that will be verified.	Who will evaluate roof structure, the installation system, repair availability, and any local approval requirement.

The table is a decision aid, not a durability ranking. Product requirements vary by manufacturer and assembly, and local conditions can change what is appropriate. Ask the roofer to show how the proposed system follows the selected product’s installation instructions and the requirements that apply where you live.

Compare the full roof system

The shingles, panels, tiles, or slate you see are only one part of a roof. A written proposal should explain the underlayment, flashing, vents, roof edges, and drainage details that work with the selected covering. Flashing is the material that directs water away from joints around chimneys, skylights, walls, and vents.

Do not compare a detailed system proposal with a line that only says “new roof.” Ask whether removal is included, what the roofer will do if damaged decking is found, and how valleys, pipe penetrations, chimneys, skylights, and roof-to-wall areas will be handled. A more expensive material does not make missing water-management details acceptable.

Consider long-term ownership

Think about upkeep, future repairs, matching an addition later, noise, heat, and appearance over time. Ask what routine care the roofer recommends, which parts may be harder to repair or match later, and what records to keep. The U.S. Department of Energy notes that a roof’s solar reflectance and thermal performance can affect heat absorbed by the building, but it does not replace a whole-home assessment of insulation, attic ventilation, climate, and HVAC performance. Do not treat a roof-material claim as a guaranteed energy-savings promise.

If you are choosing between two materials, ask for two comparable written scopes rather than a “good, better, best” sales pitch. Keep the same assumptions about removal, decking repairs, flashing, ventilation, access, cleanup, and warranty documents so you can see what actually changes.

Check local constraints early

Local building rules, homeowners-association standards, historic-district rules, wind exposure, wildfire concerns, and insurance requirements can affect what you can use. Contact your local building department or review its current guidance before signing for a material that differs from the existing roof. A roofer can explain the proposed assembly, but only the local authority or applicable approval process can settle a local requirement.

Ask who is responsible for permits and inspections, whether the scope assumes any approval, and what will happen if an approval changes the proposed detail. Keep this answer in writing; do not rely on a verbal assurance that “it will be fine.”

Request comparable scopes

If you compare more than one material, ask each proposal to describe all related work. A meaningful comparison gives each option the same consideration for removal, decking, flashing, ventilation, access, cleanup, and warranty details.

Before choosing, gather:

• photos of the roof from the ground and notes about any interior water signs;
• the exact material family, product line, color, profile, and accessories proposed;
• a diagram or plain-language description of flashing, valleys, penetrations, edges, and ventilation;
• removal, decking, permit, inspection, cleanup, and disposal assumptions; and
• product and installation warranty documents, including who handles a future concern.

Use the roof-estimate checklist to line up two scopes. If you need a planning budget for a replacement conversation, the roof replacement estimator is an educational estimate, not a quote and not a substitute for a material-specific written scope.

For basic terms used in an estimate, read Roofing terms homeowners should know. Then ask each roofer to explain why the selected material and complete roof system fit this home—not simply why one option costs more.

Questions to ask your roofer

1. Which material systems are appropriate for this roof shape and local exposure, and what installation details make them appropriate?
2. Does this proposal include the compatible underlayment, flashing, ventilation, and edge details required for the selected material?
3. What local approvals, structural checks, or manufacturer requirements should be confirmed before I choose this material?

Sources

• National Roofing Contractors Association: Consumer resources
• U.S. Department of Energy: Cool roofs
• International Code Council: Find your local building department

Be ready for the conversation

3 questions to ask your roofer

1. 1Which roofing material do you recommend for my home, and why?
2. 2How long should this material last in our local weather with normal care?
3. 3What warranty do you offer on the installation, and what does the material warranty cover?