Cedar Shake, Vinyl, or Fiber Cement: Choosing Siding for Your Cape Cod Home

Drive through any town on the Cape and you will see the same thing: cedar shingle after cedar shingle, weathered to that familiar silver-gray. It is the defining look of this place. But when it is time to re-side your home, cedar is not your only option anymore. Fiber cement has earned a place in the conversation, and vinyl is out there too, though we will be honest about its limitations.

Siding work comes with the territory when you are replacing windows and doing exterior renovations on Cape Cod homes. Here is an honest breakdown of what each material brings to the table.

Cedar Shake: The Cape Cod Classic

There is a reason cedar shake defines Cape Cod architecture. Nothing else looks quite like it. The texture, the shadow lines, the way it weathers over time. When people picture a Cape Cod home, they picture cedar shingles.

Cedar is naturally resistant to insects and rot, which is why it has lasted so long as the go-to material here. It breathes well, which helps with moisture management in a humid coastal climate. And it can be stained in a range of colors or left to weather naturally.

The downsides are real, though. Cedar requires maintenance. Every five to seven years, you should plan on re-staining or re-treating, especially on the sides of the house that take the most weather. South-facing and west-facing walls dry out and fade faster. The side that faces prevailing storms (usually the southeast on the Cape) can develop moss and mildew if not maintained.

Cedar also costs more upfront than vinyl, both in material and labor. Installation takes longer because each shingle is applied individually. For a full house re-side, it is a meaningful difference in the total project cost.

That said, nothing matches the look. If you own an antique home in Sandwich or a classic cape on a tree-lined street in Harwich, cedar shake is hard to beat. In historic districts along Route 6A, it may be the only option the committee will approve.

Vinyl: Low Maintenance, Lower Cost

Vinyl siding has come a long way. Modern vinyl is thicker, more dimensionally stable, and available in profiles that actually look decent. The cedar-shake-look vinyl panels you can get now are far better than what was available 15 or 20 years ago.

The appeal is obvious: vinyl does not rot, does not need painting, does not attract insects, and costs less to install than cedar or fiber cement. For homeowners who do not want to think about their siding for the next 20 years, vinyl is practical.

But vinyl has limits. Thin-gauge vinyl can look and feel cheap. It warps in extreme heat, can crack in extreme cold, and fades over time. In a strong enough wind, improperly installed vinyl can blow off the house. You see it on homes in Falmouth and Bourne after winter storms.

The key with vinyl is product quality and installation. A premium vinyl product installed by a crew that knows what they are doing looks fine and performs well. A cheap product slapped on by the lowest bidder looks exactly like what it is. Corners cut on J-channel, poor trim details, visible seams. It shows.

One more thing: in the Old Kings Highway Historic District, vinyl siding is generally not permitted. If your home is in a regulated area, check with the committee before planning a vinyl project.

Fiber Cement: The Durable Middle Ground

Fiber cement siding (James Hardie is the most well-known manufacturer, though there are others) has become increasingly popular on the Cape over the last decade. It is made from a mix of cement, sand, and cellulose fibers, which makes it extremely durable.

The advantages are compelling. Fiber cement does not rot, is not affected by salt air, resists insects, and holds paint extremely well. James Hardie's ColorPlus line, for example, comes with a 15-year paint warranty on the factory finish. That is real performance in a coastal climate where paint on wood can start peeling in five to seven years.

Fiber cement can be made to look like cedar shingles, clapboard, or board-and-batten. The shingle profile, in particular, works well on Cape Cod homes. From the street, it is hard to tell the difference between fiber cement shingles and real cedar, especially after a year or two of weathering.

The downsides: fiber cement is heavy. Significantly heavier than vinyl or cedar, which means the installation process is more labor-intensive and the crew needs to know what they are doing. Improper handling during installation can cause cracking. It also costs more than vinyl, though it is comparable to or slightly less than cedar when you factor in long-term maintenance savings.

Fiber cement also needs to be cut with specialized tools that manage the silica dust. This is a health concern for installers and another reason why experience matters with this material.

Climate Considerations for Cape Cod

Whatever material you choose, installation details matter more in a coastal environment. Here is what I tell homeowners to think about regardless of the siding type:

• Underlayment: A quality weather-resistant barrier (house wrap) behind the siding is critical. It is your last line of defense against wind-driven rain, which the Cape gets plenty of.
• Ventilation: A rain screen or furring strips behind the siding create an air gap that lets moisture dry out. This is especially important on homes near the water in towns like Chatham, Dennis Port, and Hyannis Port.
• Fasteners: Stainless steel or hot-dipped galvanized nails. Regular steel nails will rust in salt air and leave streaks down your brand-new siding within a couple of years.
• Flashing: Around windows, doors, and where the siding meets the trim, proper flashing keeps water from getting behind the siding and into the wall cavity.

What to Ask Your Contractor

Before you commit to a siding material or a contractor, here are some questions worth asking:

• What underlayment and flashing system do you use?
• Do you install a rain screen or furring strips behind the siding?
• What type of fasteners do you use? (If they say "whatever we have on the truck," keep looking.)
• Can I see examples of this material on homes you have done locally?
• Do you pull the building permit for siding work?
• Are you licensed and insured? (Massachusetts CSL and HIC registration.)

Every material has a place. Cedar is the classic. Vinyl is practical and affordable. Fiber cement is tough and low-maintenance. The right choice depends on your home, your budget, your neighborhood, and how much ongoing maintenance you want to deal with. There is no single right answer, but there is a right answer for your specific situation.