Rockaway Cove sits near King Road and Swan Falls Road with Lennar two-story homes from 2,630 to 3,848 square feet, many with RV-height garage bays. An RV bay needs an apron and turning area to be usable, and that means these lots carry substantially more concrete than their size suggests.
A driveway sized to manoeuvre a recreational vehicle is wide, deep and heavily used by heavy vehicles, which means tyre marks from turning under load, oil and transmission drips where things sit parked for months, and the scuffing that comes from jacks and levelling blocks. Pressure washing prices at $0.20 per square foot of actual area, and on these lots that area is genuinely large, so it is a real line item rather than an add-on.
Petroleum stains do not respond to pressure, because oil sits inside the pore structure rather than on the surface, and high pressure drives it deeper and spreads the edges. The correct sequence is a degreasing treatment with enough dwell time to lift the oil out of the pores, then a surface clean to carry it away. A pressure-only approach on an RV pad produces concrete that is visibly cleaner around a stain that is still there, which is the most common complaint about cheap driveway cleaning.
Untreated Boise-Kuna canal water carries dissolved iron, and sprinkler heads set for new landscaping throw high and wide, so a great deal of that water lands on the apron and walks. Where it evaporates, the iron oxidises and bonds into the pores as orange-brown staining. On newer, lighter-coloured concrete that contrast is stark. It is a chemical stain within the slab rather than dirt on top, and it needs a rust-specific treatment with dwell time.
Concrete keeps gaining strength long after it is poured, and the surface paste on a slab a few years old is more vulnerable than it will be at ten. On these newer Rockaway Cove pads we deliberately moderate pressure and let the surface cleaner and the right chemistry do the work, because an aggressive nozzle can etch wand marks or open the surface into a sandy texture that never fully recovers and then soils faster afterwards.
Pressure washing at $0.20 per square foot is for the driveway, apron and turning area, where high pressure is genuinely the correct tool. The siding above it is the opposite: house washing at $0.18 per square foot as a soft wash, because high pressure on lap siding drives water upward behind the laps into the wall assembly, and on a house this new and this large that is a poor trade. We quote the two as separate lines.
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Because oil sits inside the concrete pore structure rather than on the surface, so pressure drives it deeper and spreads the edges. It needs a degreasing treatment with dwell time to lift it out of the pores first, then a surface clean to carry it away.
It is a larger area, which is what drives the price at $0.20 per square foot. A driveway sized to manoeuvre a recreational vehicle is wide and deep, so these lots carry substantially more concrete than their 0.146 to 0.195 acre size suggests.
Rust from iron dissolved in the untreated canal water. Heads set for new landscaping throw high and wide, so a lot of that water lands on the apron, and where it evaporates the iron oxidises into the pores. On newer, lighter concrete the contrast is especially stark.
Lower, in fact. Concrete keeps gaining strength long after pouring, and the surface paste on a slab a few years old is more vulnerable than at ten years. An aggressive nozzle can etch wand marks or open the surface into a sandy texture that then soils faster.
Usually a good deal of them. Rubber transferred under load responds to the right treatment and a proper surface clean, though very heavily worked-in marks on a frequently used turning area may lighten rather than disappear entirely. We will tell you which yours look like.
Not at pressure. High pressure on lap siding drives water behind the laps into the wall assembly, and on a house this new and large that is a poor trade. Siding is a soft wash at $0.18 per square foot, quoted separately from the $0.20 flatwork.
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