Sealcoating Des Moines
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Line Striping and Lot Layout in Des Moines, IA
Line striping repaints the stalls, arrows, crosswalks and accessible spaces on a parking lot, and whenever a Des Moines business restripes, federal rules require the new layout to meet the accessible-parking counts in the 2010 ADA Standards. That makes parking lot striping more than cosmetic. The Justice Department's ADA guidance says restriping must provide accessible spaces as the 2010 Standards require, and it treats compliance as readily achievable in most cases because repainting is relatively inexpensive. Line painting is also the step that follows every sealcoat, since fresh sealer covers the old marks, so the two jobs are usually priced together. The parking lot sealcoating page covers the coat underneath.
$4 - $20 per stall; 30 - 50 stall lots $500 - $1,200 · full pricing guide
The count comes straight from the ADA table. A lot with 1 to 25 spaces needs one accessible space, 26 to 50 needs two, 51 to 75 needs three and 76 to 100 needs four, and the scale continues up to 2 percent of the total for lots of 501 to 1,000 spaces. At least one of every six accessible spaces, and never fewer than one, must be van accessible. Access aisles for cars are at least 60 inches wide, and van aisles are 60 or 96 inches depending on how wide the space itself is. Signs are mounted with the bottom edge at least 60 inches above the ground, and the space and aisle may slope no more than 1:48 in any direction.
Iowa adds a rule of its own. Iowa Code section 321L.5 allows a persons-with-disabilities space on a paved surface to be painted with a blue background and the international symbol of accessibility in white or yellow, and it directs the state to adopt national dimension standards consistent with federal law. The blue background is optional under that section, but it adds contrast against black sealer and marks the space clearly to drivers who are looking for it. A restriping bid should also check each accessible-space sign, since the ADA sets the 60-inch mounting height.
Paint choice is a durability question. Angi lists water-based traffic paint at 6 to 18 months of life, solvent-based at 12 to 24 months, epoxy at 2 to 4 years and thermoplastic at 3 to 5 years, and it says most lots need restriping every one to two years. HomeGuide puts a well-kept striping job at 2 to 5 years. On a lot that is plowed every winter and resealed every few years, matching the paint to the sealing cycle keeps costs down, while thermoplastic can earn its price on crosswalks and arrows in the busiest drive lanes.
HomeGuide prices restriping at $4 to $5 per stall on average, $500 to $1,200 for a medium lot of 30 to 50 stalls, $25 to $40 per accessible stall, $10 to $30 per arrow or stop bar, and $0.75 to $1.00 per linear foot of painted curb, plus a $150 to $350 mobilization fee. Angi's figures run $0.20 to $1 per linear foot of line and $5 to $20 per space. A new layout costs 20 to 50 percent more than repainting existing lines, because it has to be measured and marked out first. Whole-lot figures are on the cost page.
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When a lot needs new lines
Faded striping shows up first where traffic turns and brakes. These are the signs worth checking each spring once the snow storage piles are gone.
- Stall lines faded enough that cars park at an angle
- Accessible spaces without a clear symbol or a striped aisle
- Arrows and stop bars worn off at the entrance
- Old lines covered by a fresh sealcoat
- A layout that no longer matches how traffic moves
- Fewer accessible or van spaces than the ADA table requires
The last item carries legal weight as well as practical weight. Any repaint is the moment to fix it.
Repaint, redesign, or seal first
Most striping jobs fall into one of three shapes.
Repaint the existing layout
The lot is sound and the layout works. Paint over the existing lines, refresh the accessible symbols and aisles, and confirm the space counts against the ADA table.
Redesign the layout
Traffic flow has changed, the accessible counts are short, or stalls are too tight. A new layout costs 20 to 50 percent more but fixes those problems at once.
Seal first, then stripe
The asphalt is gray and cracked. Striping it now means repainting again once it is sealed; sealing first and striping the next day gives the lines a sound base and saves a second mobilization.
Line Striping and Lot Layout FAQs
How many accessible spaces does a 60-space lot need?
Three. The 2010 ADA Standards require one accessible space for 1 to 25 total spaces, two for 26 to 50 and three for 51 to 75, and at least one of those three must be van accessible. Each needs a marked access aisle, at least 60 inches wide for a car space, and a sign mounted at least 60 inches above the ground. Because restriping triggers the requirement, a lot that was short before must be brought up to count when the lines are repainted.
Can new lines go down right after the sealer?
Not while it is wet. Striping waits until the sealcoat can carry traffic, which SealMaster puts at 24 hours after the final coat, so the practical plan is to stripe the following day. On a sectioned job the sequence repeats: seal half, cure, stripe it, reopen it, then do the other half. A bid should state that timing so the property manager can plan closures.
How long does parking lot paint hold up through a Des Moines winter?
It depends mostly on the paint. Angi lists 6 to 18 months for water-based paint, 12 to 24 months for solvent-based, 2 to 4 years for epoxy and 3 to 5 years for thermoplastic, and HomeGuide's broader figure for a well-kept job is 2 to 5 years. With 35.3 inches of normal snowfall at the airport station, a lot here is plowed many times each winter, so the spring walk-around is the time to judge whether lines, arrows and accessible symbols made it through.
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