Drive the back roads around Racetrack Road, Gunn Highway, and the horse farms tucked along Lake Keystone, and you'll see it on almost every third house: wood siding, usually cedar lap or T1-11 panel, put up back when this stretch of unincorporated Hillsborough County was mostly ranchettes and citrus groves. It fit the setting then and honestly it still looks right on a lot of these properties — big wooded lots, low-density zoning, that rural Keystone character where nobody wants their house looking like a subdivision model. The problem isn't the look. It's that wood siding was never built to survive forty-plus years of Tampa Bay summers, and on most of the homes we get called to in Keystone, it hasn't.
We're not a wood siding company and we're going to be upfront about that. Alpine Exteriors installs James Hardie fiber cement siding exclusively — we don't do vinyl, we don't do LP SmartSide, and we don't re-side a house in new wood. But a large share of our Keystone calls start with a homeowner asking us to look at wood siding: patch it, replace a few rotten boards, or just tell them honestly whether it's worth saving. This page is about that conversation — what's actually going on with wood siding in this climate, and why almost every homeowner we walk through it with ends up choosing a Hardie wood-look profile instead of buying new cedar.
Keystone isn't waterfront, and it isn't downtown Tampa either — it's inland, rural, and heavily wooded, and that combination creates its own set of problems for wood siding that are a little different from what you'd hear about on the coast.
The oak and pine canopy that makes Keystone lots so appealing is hard on wood siding. Shaded walls dry out slower after every afternoon storm, and Hillsborough County's humid subtropical climate means the air itself rarely gets dry enough to help. Wood siding on the north and east walls of a shaded Keystone property will often show soft spots and paint failure years before the same siding on a sun-exposed wall of the same house.
This is horse and citrus country, and it's also subterranean termite country. Wood lap siding that's lost its paint film or has any ground contact at the base gives termites and carpenter ants a direct route into the wall. We've opened up wood siding on Keystone homes that looked rough on the surface and found the sheathing behind it compromised.
Keystone sits far enough inland that storm surge isn't the threat it is closer to the bay, but wind-driven rain from summer thunderstorms and tropical systems still finds every gap in old wood siding — cupped boards, failed caulk joints, nail heads that have backed out over the decades. Water gets behind the siding long before a homeowner sees a problem on the face of it.
Not every board needs to come off. When we walk a Keystone property with wood siding, we're checking a specific set of things before we ever talk about replacement:
If a wall is sound and the wood is just due for paint, we'll say so — that's a repaint and caulk job, not a siding job, and we'll tell a homeowner that even though it's not our work to do. But once rot has reached the sheathing, or a wall has multiple failed sections, patching individual boards stops making financial sense. That's the point where re-siding the wall — with something other than wood — is the honest recommendation.
We understand the instinct to replace failed cedar with new cedar — it matches, it's familiar, and it's what was there before. But we won't sell a Keystone homeowner new wood siding, for the same reasons the old wood failed in the first place. Real wood siding is a maintenance commitment: repainting or resealing every few years, ongoing caulk maintenance, and constant vulnerability to the same moisture and termite pressure that took out the last set of boards. In a climate like this one, new wood siding doesn't solve the problem — it just resets the clock on it.
James Hardie fiber cement is engineered specifically for climates like ours. It's manufactured under the HardieZone system with a HZ5 formulation built for humid, high-moisture regions like the Gulf Coast — it doesn't rot, it isn't a food source for termites, and it holds paint far longer than wood because it doesn't expand and contract with humidity swings the way wood does.
The good news for anyone attached to that Keystone wood-siding character: you don't have to give up the look to fix the problem.
This is the closest match to traditional cedar lap siding — a wood-grain texture that reads as real wood from the street and at close range, in the same lap profile most Keystone homes already have.
For homes that originally had a cleaner, more finished wood look rather than a rough-sawn cedar texture, the smooth profile matches that without the grain.
Keystone has a real concentration of barns, outbuildings, and homes built with a vertical board-and-batten look to fit the equestrian setting. HardiePanel vertical siding with batten strips reproduces that look in a material that won't rot at the base the way vertical wood siding does.
Color is factory-baked into Hardie's ColorPlus finish, which means the color won't chalk or fade the way field-applied paint on wood does — a real advantage on shaded Keystone lots where walls dry slowly and mildew growth on painted surfaces is a constant fight.
Most of the homes we work on in Keystone sit on well and septic, on larger lots with mature trees close to the house — that changes the job in a few practical ways. We plan around septic field locations and well equipment before staging material or setting up scaffolding. Overhanging limbs sometimes need trimming back before siding crews can safely work a wall, which we'll flag during the estimate rather than as a surprise mid-job. And because so many of these homes are on AS-1 rural zoning without a tight HOA, we spend real time on siding profile and color selection with the homeowner — there's more freedom here to match a genuinely custom, rural aesthetic than you'd get in a platted subdivision closer to Tampa.
Once a wall is opened up, we replace any compromised sheathing, install a proper weather-resistive barrier, and follow James Hardie's installation specifications for fastening, clearances, and flashing — details that matter more in a humid, storm-prone climate than in most parts of the country, and details that are frequently the difference between siding that lasts twenty-plus years and siding that fails again in ten.
| Factor | Wood Siding Repair/Repaint | Hardie Fiber Cement Replacement |
|---|---|---|
| Upfront cost | Lower per repair, but recurring | Higher initial investment |
| Repaint/refinish interval | Every 3-5 years | ColorPlus finish rated 15+ years before repaint needed |
| Rot/termite risk | Ongoing, especially on shaded walls | Non-wood, not a termite food source |
| Storm/moisture performance | Vulnerable at joints and end grain | Engineered for HZ5 humid climates |
| Resale/appraisal perception | Varies, condition-dependent | Widely recognized upgrade material |
The numbers vary property to property depending on how much sheathing repair is needed and the total square footage, and we won't quote a number sight unseen — but for most Keystone homeowners, the long-term cost comparison flips in Hardie's favor within the first repaint cycle they avoid.
If your Keystone home has wood siding that's rotting, chalking, or just aging out, we'll come look at it honestly — tell you what's actually failing, what can be repaired, and what a full switch to James Hardie fiber cement would involve in a wood-look or board-and-batten profile that fits the property. No pressure, no upsell on parts of the house that don't need it. Reach out for a free estimate and we'll walk the walls with you.
A few specialty contractors still install real wood, but it's become rare on production and even custom homes because of the maintenance burden in Florida's humidity. Most contractors, including us, steer homeowners toward fiber cement alternatives that replicate the wood look without the upkeep.
Ask exactly how they'll check for rotted sheathing behind the siding, not just the boards themselves, and get that in writing before work starts. Also ask what moisture barrier and flashing details they follow, since those matter more than the siding material itself for how long the wall lasts.
Yes — HardiePlank in the Cedarmill texture is embossed to mimic a rough-sawn cedar grain, while the Smooth profile matches a cleaner painted-wood look. Both come in a lap profile similar to traditional wood siding.
Cedarmill has a visible wood-grain texture that reads as natural cedar from the street, while Smooth is a flat, finished surface closer to painted wood trim. The choice is purely aesthetic — both use the same fiber cement core and ColorPlus factory finish.
Shaded walls under heavy oak and pine canopy dry out slower after rain, which speeds up rot in wood siding and encourages mildew growth on any painted surface. Fiber cement holds up far better in that environment since it doesn't absorb moisture the way wood does, though we still recommend periodic washing on heavily shaded walls.