There is no single winner among roofing materials. The right one depends on the shape of your roof, the rules of your street, how long you plan to stay and what the weather does to a house here. This guide compares asphalt shingles, metal, composite and natural shake or slate, and flat roof membranes in plain terms.
Start here
Start with the questions below, because they sort the options faster than a price list.
First, what does the roof look like? A steep main roof with dormers, a low porch roof and a flat rear addition may each want a different covering. Second, who has a say? Many neighborhoods here have an owners association with a list of approved colors and products, and some blocks sit in historic overlay districts with their own review. Third, how long will you stay? A material that costs more up front only pays off if you keep the house long enough to use it.
Then comes the weather. Summers are hot and humid, winters bring freeze and thaw, thunderstorms arrive with strong gusts, and many lots are shaded by mature trees that drop limbs and leaves.
By house type
A starting point for the phone call, not a verdict. Roof condition and local rules can change the answer.
| House or roof type | Common fit | Watch for |
|---|---|---|
| Colonial or two-story with dormers | Architectural asphalt shingles; metal or composite on a feature roof | Many small valleys and dormer joints, which need careful flashing |
| Townhouse | Asphalt shingles, often matched to neighbors | Shared roof lines, association color rules and fire-rated decking questions |
| Cedar shake house | Composite shake, asphalt shingles or new cedar where rules allow | HOA and fire-code limits on wood; the look you want to keep |
| Row house or flat rear addition | Single-ply membrane such as TPO, EPDM or PVC | Drainage, parapet walls, rooftop equipment and seams |
| Porch, bay or entry roof | Metal panels, or a membrane if nearly flat | Matching the main roof and keeping the joint to the wall watertight |
The common choice
For most houses in this area, yes. Asphalt shingles cover the majority of residential roofs because they suit steep and complex roof shapes, come in a wide range of colors that associations tend to approve, and can be repaired in sections.
The words "fiberglass shingles" cause confusion. Nearly every asphalt shingle sold today is built on a fiberglass mat that is coated with asphalt and topped with mineral granules. So fiberglass shingles and asphalt shingles are one product family, not two competing choices.
The real choice is between two profiles. Three-tab shingles are a single flat layer with evenly cut tabs and a uniform look. Architectural shingles, also called dimensional or laminated, bond several layers together, which adds thickness and a varied, shadowed pattern. Architectural shingles are the ones most roofers stock and most owners ask for. Wind ratings and fastening rules differ by product, so ask how yours will be nailed.
Asphalt has limits. It does not belong on very low slopes, and a roof that sheds water poorly because of bad flashing will leak whatever shingle is on it. If a leak is the reason you are reading this, our roof repair page explains how a leak gets traced, and roof replacement covers what a full new roof involves.
Metal
Metal can be an excellent fit, and it can be an expensive mismatch. Standing-seam systems use long panels with raised seams that interlock, and many are fastened with clips that stay out of sight. Water and snow run off quickly, and panels suit both steep and low-pitch roofs, which is why metal often appears on porches, bays and modern designs.
Trade-offs deserve a straight answer. Metal panels expand and contract with temperature, so the clips, trim and details have to allow for movement. Rain can sound louder on metal than on shingles, though decking and underlayment change that. A sheet of snow can release all at once, so the area below an eave may need snow guards.
Whether metal is worth it depends on your plans for the house and on the look the neighborhood allows. We go through that question in more depth in is metal roofing worth it in Northern Virginia, and compare it with shingles in asphalt shingles versus metal roofing.
Look-alike and premium
Owners usually ask about these when they want a particular look.
These are molded products made to resemble cedar shake or natural slate. They are lighter than real slate and do not rot like wood. Products vary widely between makers, so compare the fire, impact and wind ratings printed in each maker's data sheet instead of trusting a category name. Ask for association approval in writing before ordering.
Slate is stone, and it is heavy. Before a slate roof goes on a house that never had one, someone should confirm the framing can carry the weight. Repairs call for a roofer who has worked with it.
Real wood gives a look nothing else matches, and it weathers to the silver-gray seen on older roofs. It also needs upkeep and can face fire-code and association limits, so check the rules for your address first.
Flat and low-slope
Shingles shed water by overlap, and that only works when gravity does the job. On a flat or nearly flat section, water sits and creeps sideways, so the roof needs a continuous waterproof sheet instead. Row houses, garages, additions and porch roofs usually carry one of three single-ply membranes.
Which membrane suits a roof depends on drainage, rooftop equipment, how much people walk on it and how the edges and walls are detailed. Our flat roof page covers repair, replacement and what to ask about each system.
Side by side
Qualitative only. Price and service life depend on the product, the installer and the roof, so confirm both with the maker and in your written scope.
| Material | Look | Weight on the roof | Upkeep | HOA friendliness | Typical use |
|---|---|---|---|---|---|
| Asphalt shingles | Many colors, textured or flat | Light | Occasional checks; repairs in small sections | Widely accepted | Pitched roofs of most house types |
| Standing-seam metal | Clean lines, panel seams | Light | Low, with fastener and sealant checks | Varies by association | Porches, bays, modern or low-pitch designs |
| Composite shake or slate | Imitates wood or stone | Light to moderate | Low | Often accepted where wood is not | Owners who want a traditional look |
| Natural slate | Stone, fine detail | Heavy | Replace broken tiles as needed | Welcome in historic settings | Existing slate roofs and high-end homes |
| Natural cedar shake | Warm wood, weathers to gray | Light to moderate | Regular cleaning and inspection | Often restricted | Existing cedar roofs where rules allow |
| TPO, PVC, EPDM | Flat sheet, white, gray or black | Very light | Seam and drain checks | Rarely visible from the street | Flat or nearly flat roof sections |
Decision guide
Work through these three checks in order and the list usually shrinks to one or two options.
Read your owners association covenants or ask the board for the approved list. If your house is in a historic district, ask the local review office what applies to roofs. Do this first.
Steep and complex roofs favor shingles. Simple low-pitch planes can take metal. Anything flat needs a membrane. A mixed roof may need two materials, and that is normal.
If you may sell soon, a clean architectural shingle roof in an approved color is easy to explain to a buyer. If you plan to stay, a longer-lived material can justify a bigger first bill.
Local rules
In planned communities, the covenants usually decide color, profile and sometimes the material itself. Some associations publish an approved list and others review each application. The safest habit is to submit the exact product name and color, with a sample if the board wants one, before signing a contract.
Historic districts and some conservation overlays add another layer, and wood or slate roofs on older houses may carry their own conditions. Whether a roof job also needs a permit depends on the scope and the jurisdiction, and the building official makes that call. Our service areas page points to the places we cover, and city pages such as Fairfax, Vienna and Oakton explain local details.
For color, see our guide to choosing a shingle color in Northern Virginia.
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FAQ
No. Almost all asphalt shingles sold today are built on a fiberglass mat, so the two names describe the same family of shingle. The choice you actually face is between three-tab and architectural profiles, and between asphalt and other materials.
No single material wins for every house. Architectural asphalt shingles are the common choice because they fit most roof shapes and neighborhood rules. Metal, composite shake or slate, and flat membranes win in specific cases, and your association, roof shape and plans for the house decide which.
Slate and well-detailed metal generally outlast asphalt shingles, and wood needs the most upkeep. We do not quote a number of years because service life depends on the product, the climate, the installation and how the roof is cared for. Ask the manufacturer for its published figure.
Three-tab shingles are a single flat layer with a uniform pattern. Architectural shingles are laminated, thicker and more varied in appearance, and most roofers now stock them as the standard.
It depends on how long you will stay, the shape of your roof, the sound you can live with and what your association allows. Metal is a strong fit for some porches and low-pitch roofs, and a poor value where cheaper shingles would do.
Often you do, especially when the color or material changes. Check your covenants or ask the board before you sign a contract. Submit the exact product and color and keep the approval in writing.
Yes. A shingle main roof with metal on a porch or bay, or a membrane on a flat addition, is common. The joints between materials need careful flashing, so confirm in the scope who is responsible for each transition.
Call and describe the house. We will help you narrow the choices on a free 15-minute phone consultation.
Talk through the next step
Share the address, what you are seeing on the roof and the decision you need to make. We will tell you what to expect before anything is scheduled.