Old Town Kuna's siding is nothing like the rest of the city. Off Main and the Avenue streets you get painted wood lap, cedar shingle, and retrofit vinyl laid over eighty-year-old sheathing — under mature elms, on lots watered by canal irrigation. Three completely different washing problems on the same house.
West and south of the old grid, Kuna is vinyl on 2003-and-newer framing, with some stucco and hardie on the newest builds. The Townsite is a mix: original painted wood lap siding, cedar shingle on the 1920s-40s houses, cement or composition shingle on a few pre-1960 places, and a lot of vinyl or aluminum that got hung over the original wood somewhere in the 70s or 80s. That last group is the one people misjudge. It looks like modern vinyl from the street, but behind it is old sheathing with gaps, and forcing water up under the laps puts it somewhere it will not dry out. Everything here gets soft-washed at low pressure with the cleaner doing the work, not the nozzle. $0.18 per square foot, same rate whatever the siding turns out to be.
Kuna runs on pressurized irrigation off the canal system, not treated city water, and that water carries silt and minerals that municipal water does not. On these older lots the sprinkler heads are usually decades-old brass or early rotors sitting close to the foundation, throwing water directly at the wall instead of away from it. What that leaves is a hard orange-brown band across the bottom two or three feet of siding, worst on whichever elevation the heads face. It is not dirt. It is mineral and iron bonded into the paint or the vinyl surface. A soft wash lifts the loose silt and the surface film every time. The bonded staining under it usually lightens noticeably but does not disappear, and no amount of pressure will change that. If a company tells you they will blast a sprinkler line off painted wood, they are going to take paint with it.
Old Town Kuna has the only real tree canopy in the city, and shade plus irrigation overspray is exactly what algae wants. On these houses the north and northeast elevations go green then black, especially under the elms and silver maples where the wall barely sees sun from October to March. That comes off completely with a proper soft-wash mix. The south and west walls have the opposite problem: forty-plus years of high desert sun has oxidized the paint or the old vinyl, and the surface is chalking. Run your hand down it and you get a white film on your palm. Washing removes that loose chalk layer, which is the right thing to do before anyone paints, but it will not bring the color back. If your south wall is chalking hard, we will tell you what you are actually buying is a clean surface, not a restored one.
Pressure washing a house is a shortcut that works fine on new hardie and gets expensive fast on anything else. On Townsite houses the failure points are specific: old glazing putty around the wood double-hung windows, painted trim that is already thin on the sun side, cedar shingle that furs up the second you hit it too hard, gaps between wood laps, and window AC units and old storms that give water a straight path inside. If the siding is original cement-asbestos shingle, which shows up on a handful of pre-1960 houses in the valley, that is one more reason nobody should be blasting it. We soft wash the siding and use standard pressure methods only where they belong, on concrete and the gutter exteriors. We walk the elevations first, because these lots are narrow and access is not standard.
House washing is $0.18 per square foot, soft-wash, safe on every siding type in the neighborhood. Being in the older core does not add lead time. We route through Kuna regularly, so same-day and next-day slots are usually open here just like the newer subdivisions on the edges of town. Memberships come Monthly or Quarterly with no contract, and every visit carries the 7-Day Rain Guarantee, which matters in spring when a wash and a storm land in the same week. For most Old Town houses, once a year on the full exterior is enough, with the north side and the sprinkler-line band being the two things that decide whether you go sooner. Reflekt is locally owned, fully insured, and holds 4.9 stars across 115+ Google reviews.
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It will take off everything sitting on the surface and lighten what is bonded in. Kuna's canal irrigation carries iron and minerals that soak into paint and older vinyl, and that portion does not fully release. Pressure will not fix it either, it just strips paint. The lasting fix is moving or re-aiming the heads so they stop hitting the wall.
Yes, if it is soft-washed. We run low pressure and let the cleaner do the work, keep water out of the laps and away from old window glazing, and stay off failing paint. What we will not do is pretend a wash fixes bad paint. If the paint is already peeling in places, washing will show you exactly how much, and we would rather you know that before we start.
It changes how we aim. Retrofit vinyl over old sheathing has gaps and seams that modern install does not, so water pushed upward under the laps sits against wood that will not dry. We wash top-down at low pressure and rinse the same way. From the street it is a normal vinyl wash. Behind the panels, it is why we do not use pressure.
Once a year covers most of them. The tell is the north side. If the green is showing up again by late winter under the elms, you are on a yearly cycle. If it is still clean, you can stretch it. Houses with sprinklers hitting the wall go sooner because the silt band rebuilds every irrigation season regardless of how the rest looks.
Yes, and it is the right order. Siding first, hardscape after, so anything that runs off the walls gets picked up in the concrete pass. The gutters on a lot of these houses are older half-round or narrow aluminum under real leaf drop, which is unusual for Kuna. We clear those by hand and use standard pressure methods on the concrete and gutter exteriors.
Washing removes the chalk, it does not undo it. Chalking is oxidized paint or sun-degraded vinyl, and the color underneath is already gone. A wash gives you a clean, chalk-free surface, which is what a painter needs before primer goes on. If painting is on your list this year, wash first. If it is not, expect the wall to look clean but still faded.
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