Wheatpasting is the practice of installing paper posters with a flour-and-water paste, brushed under the sheet and again across its face so the paper bonds flat and dries sealed. Commercially it means printed campaign posters hand-installed on private walls, scaffolding and construction hoarding with the property owner’s written consent, photographed placement by placement.
The working numbers under that definition: sheets print at 24 by 36 inches as standard and 48 by 72 for hero walls, a poster holds two to six weeks outdoors, a crew installs in the empty hours at either end of the day, and a single-city run opens at $3,500 with printing and installation included. Everything below is the detail behind those four lines.
The method is older than the industry that grew around it. The OAAA’s history of out-of-home dates the printed handbill to Gutenberg’s press in 1450, counts nearly 300 American sign-painting and bill-posting companies operating by 1870, and puts the formation of the Associated Bill Posters’ Association of the United States and Canada, the body that became the OAAA itself, in Chicago in 1891. Paper and paste were the original install method, and they are still a working one.
The recipe
Flour and water, cooked to a gel. Some crews add a little sugar or cornstarch for tack.
Conservators cook the same thing. A 2024 study in the Journal of Proteome Research made both versions in the lab, boiling either all-purpose wheat flour or refined wheat starch in water, and found the starch paste holds its solubility as it ages because it does not cross-link, so moisture swells it back off the substrate. Flour paste is the version that goes on walls.
It dries clear and holds on masonry and on plywood construction hoarding. Removal takes water rather than solvent, which is why property owners say yes to paste where they would refuse adhesive vinyl.
The one thing the recipe does not do is stay fixed. Paste is mixed to the market it is going up in. RYZE’s New York run was mixed on site so the batch stayed consistent across five days and three neighborhoods, working in the moderate temperature range where paste cures fastest. True Religion’s Houston run was the opposite problem: midday temperatures in the high eighties and low nineties pull water out of the paste before it keys into the wall, so the crew ran a higher water-activation ratio and moved the whole install to the cooler end of the morning. Same four ingredients, a different mix, because the wall is outdoors and the weather is a material.
How the install actually runs
A wheatpaste install is a night-and-dawn trade, and it is one for reasons that have nothing to do with hiding.
The paste needs the wall to itself. On RYZE’s New York campaign the crew worked a 7pm to 11pm window, which put roughly twelve hours of curing between the last sheet and the morning commute the posters were bought for. In Houston the same logic ran the other way round: True Religion’s crew installed between six and nine in the morning, ahead of the heat and ahead of the sidewalk filling up. Empty pavement is a working condition, not a cover story.
Surface decides the rest. Fresh plywood hoarding takes paste cleanly. Brick and older walls carrying previous campaigns key even better, because a rough substrate and the residue of old paste give the new coat something to grab. Glass-backed storefronts get skipped. On RYZE’s run the crew pre-surveyed walls in batches and sorted them on exactly that basis before a single sheet was printed.
Then it is hands. Brush a coat on, lay the sheet, brush a second coat across the face, work the air out from the center. Paper goes translucent as it soaks and dries flat and sealed. No mechanical aids, which sounds like romance and is actually quality control: a hand-loaded brush puts even coverage on an uneven wall in a way a machine on a ladder does not.
What surfaces does wheatpaste stick to?
Wheatpaste grabs well on most walls. Cinderblock, brick and wood all hold it, and a wall has to be wrong in a specific way to rule a campaign out.
- Cinderblock. Holds.
- Brick, bare or painted. Holds. Red Clay Strays’ Phoenix run papered a white painted brick corner under partial lettering reading Limo, and a painted brick storefront bordered in orange tape, on the same campaign.
- Wood. Holds. Grizzly’s San Diego run opened on plywood hoarding over a concrete construction barrier and also carried black-painted boarded frontage; Johnny Blue Skies’ Phoenix run pasted boarded plywood alongside stucco and painted brick.
- Most other walls. Candidates until the wall itself says otherwise.
Those are documented instances rather than a rule list. A surface that carried paste in San Diego is evidence that kind of wall can, not a promise that every version of it will.
Three conditions are the ones that fail: a wall that is sealed and slick, a wall that is extremely rough, and a wall that is too porous and uneven. That is the whole list.
Which is why the call is made in front of the wall. We assess the surface on install day, and if it is not a good candidate the client hears that from us then, before the sheets go on it, rather than from the placement photos afterwards.
The surfaces it goes on
Four surfaces carry most commercial wheatpaste work, and they behave differently.
Construction hoarding. Plywood panels around a build site, owned by the developer or the general contractor, either of whom can rent the run. Lifeshop’s Williamsburg campaign ran on hoarding panels along a single Brooklyn corridor, which gave the campaign one continuous, repeating surface at eye level on the busiest side of the block.
Scaffolding and sidewalk sheds. The green boards under a shed are the most reliable poster surface in New York, and Sézane’s bicoastal run used Tribeca scaffolding on one coast and Sunset Boulevard walls on the other across a thirty-five-day window.
Brick and painted masonry. The classic wall. Lone Fox’s Los Angeles run was built on brick, 204 placements across Silver Lake, Echo Park and the York Boulevard stretch of Highland Park.
Shutters and storefront frontage. Narrow, low, and read at walking pace rather than across the street.
Where it is allowed to go
A private wall, with the owner’s written consent. That consent is the whole permission rule, and it is why the wall survey happens before the print order.
City infrastructure is a separate question with a narrower answer. New York City allows banners on street lampposts only under a DOT permit, installed by a licensed rigger, and does not permit commercial advertising on them. San Francisco does let signs go up on poles, and still caps them at 11 inches, requires they be tied on with twine or other non-metal banding rather than stuck down with adhesive, requires a legible posting date, and fines illegal postings $100 to $500. A pasted campaign poster fits neither rule set.
San Francisco is the hardest version of this question in the country, and it is worth reading as a worked example rather than a warning. San Francisco Planning records that 2002’s Proposition G, passed with 78% of the vote, prohibited new general advertising signs throughout the city, which is why so much of the wheatpaste visible in San Francisco is, strictly, illegal. Frameline50, the fiftieth anniversary of the oldest LGBTQ+ film festival in the world, still ran 550 posters across the city for the full month of Pride, 500 at 24 by 36 and 50 oversized at 48 by 72, on consented private walls and on-premise surfaces tied to the festival itself. The paste was never the constraint. The surface list was.
How a commercial campaign runs it
The difference between wheatpasting as a practice and wheatpaste advertising as a service is consent and documentation.
We survey the wall and confirm it is private and permitted. Print goes in-house on outdoor-grade stock. The crew installs, and every placement is photographed with coordinates logged, so the campaign closes as a map rather than an impressions estimate. What the campaign did to anyone’s traffic belongs to the client’s own analytics; what we hand over is evidence of where the paper went and what it looked like on the wall.
That record is the deliverable, and it is built to a protocol rather than assembled afterwards. On RYZE’s New York campaign all 500 walls were photographed post-install in straight daylight with coordinates locked for every one of them. On Lone Fox’s Los Angeles run the crew went further and re-photographed the placements at day 7, day 14 and day 28, which is what produced the weathering evidence in the next section. Across the company the standing record is 500-plus documented installs and zero municipal removals on record.
Lifeshop’s Williamsburg run put 100 posters across construction scaffolding on one Brooklyn corridor over a thirty-day window. Floors start at $3,500 per city, and the full breakdown is in the campaign cost guide.
How long it lasts
Two to six weeks outdoors is the honest working range across the campaigns we have photographed, with the busiest corridors running one to three. The paper does not tend to fall; it gets pasted over. Longer bookings are scheduled with refresh passes built in.
The Lone Fox run is the cleanest measurement we hold, because it was photographed on a schedule rather than at the end. At day 28 the York Boulevard placements were still legible, with slight edge curl where the paste had cured against the brick and no fade through the center of the sheet. No removals and no refresh wave were needed inside the twenty-eight-day window the campaign was scoped for.
The other end of the range is a hoarding. Momentous held one permitted Los Angeles construction barricade for ninety continuous days. A single large surface, maintained and owned for the length of a build, outlasts a scattered run by a wide margin, because the failure mode for a poster is usually the wall changing rather than the paper giving up.
Sizes, and why campaigns mix them
Two sizes do almost all the work.
24 by 36 inches is the street standard and the unit a run is counted in. It reads at walking pace, tiles into a grid, and is the size a repeating corridor campaign is built from. Lone Fox ran 200 of them. RYZE ran 500.
48 by 72 inches is four times the sheet and a different buy. It is legible across a street and at car speed, which makes it the format for a hero wall rather than a run. Frameline reserved 50 of its 550 for walls that could carry a poster that size. Lone Fox used exactly four, anchoring the highest-traffic walls in each neighborhood. The Father’s House SF went all the way in the other direction and ran six jumbo panels and nothing else, covering a single continuous Ocean Avenue frontage.
Most campaigns mix the two: a standard-sheet run for frequency, a handful of jumbos where a wall deserves them.
What it costs
Published floors, printing and installation included:
- Wheatpaste poster campaign: from $3,500
- Snipe poster campaign: from $3,000
- Sidewalk stencils: from $2,500
- Floor graphics and decals: from $4,000
Expedited turnarounds add 80 to 150 percent, because a compressed schedule means overtime crews and rushed print. What moves a quote above the floor is placement count, neighborhood spread, market and hold length. The campaign cost guide works through the arithmetic.
The words around it
Paste-up is the same discipline under another name, so the two are interchangeable in a brief.
Snipe posters are a different buy. Those are small-format panels run in high repetition along a corridor, bought for frequency rather than for one dominant surface.
Wild Posting® is a brand rather than a category. DASH TWO, Inc. holds US registration 5432087 covering the term for outdoor advertising, so a vendor selling it as a service name is selling someone else’s mark.
Flyposting is the British word for the version nobody asked permission for. Displaying an advertisement outside the UK consent regime is a summary offence under section 224 of the Town and Country Planning Act 1990.
The street-level advertising glossary sorts the rest of the vocabulary, wild posting vs wheatpasting separates the media term from the method, and is wheatpasting legal covers the permission rule market by market.