Siding is a rain screen, not a raincoat. What keeps water out of the wall is the layer underneath it — which is why cracked panels matter more than they look like they do.
How a wall works
Most people assume siding is what keeps water out of a wall. It is not, quite. Siding takes the weather — sun, wind-driven rain, hail, the branch that comes down — and sheds the great majority of it. What stops the rest from reaching your framing is the weather-resistive barrier behind it: house wrap or felt, taped and lapped, with flashing at every window, door and penetration.
That division of labour is why a cracked panel is more serious than it looks. Nothing dramatic happens for a while. Water gets behind the siding, the barrier does its job for a season or two, and then a lap that was never taped or a piece of window flashing that was never installed lets it through. By the time it shows up inside, the sheathing has usually been wet for a long time.
Panel replacement. Cracked, punctured, melted or hail-marked panels swapped out. Vinyl becomes brittle with age and cold, so an old wall can crack simply from being unclipped — we will tell you when a repair is likely to create its own damage.
Full re-side. When the wall is coming off anyway, the barrier and the flashing get done properly. This is the only moment they are accessible, and skipping it to save a day is the most expensive saving on the job.
Trim, soffit and fascia. Corner boards, window and door trim, and the underside of the eave. Soffit is also where a roof gets its intake air, so rotten or painted-shut soffit is a roof-ventilation problem wearing a siding costume.
Wall sheathing. If moisture has been getting in long enough, the plywood behind the siding has to be cut out and replaced. Covering it is not an option we offer.
Hail arrives at an angle. A storm that bruises the roof frequently marks the elevation it came from as well — cracked vinyl, dented aluminium trim, holes punched through soft panels, and gutters dented on the same side. When we inspect a roof after a storm we look at the walls too, because a claim that covers the roof and misses the siding is an incomplete claim, and the siding does not get a second storm to be found in.
What to look for
Most of these are visible from the ground on a walk around the house.
How it runs
01
A walk of every elevation, not just the one you called about. Storms hit one side of a house, and it is often not the side you noticed.
02
What comes off, what goes back, and what we expect to find behind it — stated as a possibility before we open the wall, not as a surprise after.
03
Panels off, barrier and flashing corrected, any wet sheathing cut out and replaced, then the wall closed back up.
04
Cleaned up and walked with you. Offcuts and fasteners are magnet-swept off the beds and the lawn.
Straight answers
Nothing here is hidden behind a dropdown. If a question you have isn't answered, call and ask.
Usually close, sometimes exactly. It depends on the profile and whether the colour is still made — and on sun fade, which no new panel will match on a wall that has been out in the eastern Carolina sun for fifteen years. Where an exact match is not possible we will say so before we start, and there are usually options: pull replacement panels from a less visible elevation and put the new stock there instead, or re-side the one elevation so it reads as intentional.
Whichever the wall can take. Individual panel replacement is straightforward on siding that is still flexible. On older vinyl that has gone brittle, unclipping a course to reach one panel can crack the two beside it — at that point spot repair stops saving money. We will tell you which of the two your wall is before you commit.
A weather-resistive barrier — house wrap or felt — over the sheathing, with flashing at windows, doors and penetrations. It matters enormously: it is the layer that actually keeps your wall dry. It is also only accessible when the siding is off, which is why a re-side is the moment to get it right and a panel repair is not.
If the cause is a covered event such as hail or wind, siding is generally part of the loss in the same way the roof is. It is also the part most often under-documented, because the inspection went up the ladder and never walked the walls. We document both. See insurance restoration.
On its own, not much — siding is a rain screen, not insulation. What does change comfort is fixing the air leaks and wet sheathing found behind it, and adding insulated sheathing or a foam underlayment while the wall is open. If that is a goal, say so at the inspection, because it is a decision that has to be made before the wall closes.
Yes, and they are worth doing on their own more often than people expect. Fascia carries your gutters, and soffit is the roof’s air intake — rotten fascia is a gutter problem waiting to happen and blocked soffit is a ventilation problem that shortens the roof above it.
The rest of the exterior
Tell us where the house is and what you're seeing. We'll walk every elevation, not just the one you called about.
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