Guides
Wrap and tint shop workflow: the three clocks, four stalls and six records per vehicle
A stage by stage wrap and tint shop workflow: the three clocks, four common stalls, six records per vehicle, safety, waste and simple flow measures.
What to take away
- The shop runs on three clocks at oncethe bay, the film, and the customer. Most delays come from confusing them.
- Cure and hold time is capacity. The bay is occupied whether or not anyone is working.
- Four stalls account for most late deliveries, and three of them happen before the film comes off the roll.
- Every vehicle needs the same six records, whatever the job.
- Measure the flow with dates you already collect, not with a new system.
The flow, stage by stage
| Stage | What has to be true to move on | Who owns it | The usual failure |
|---|---|---|---|
| Inquiry | The vehicle is identified and the work is understood | Front counter | Quoting from a description instead of a vehicle |
| Inspection and quote | Paint condition seen, scope written, refusal rule applied | Estimator | Quoting from photographs |
| Acceptance | Deposit taken where material must be bought, date agreed | Front counter | Booking a date the bay cannot hold |
| Materials | Film in the building, one lot for a fleet, printing gassed out | Whoever orders | Material arriving on the morning of the job |
| Preparation | Washed, decontaminated, hardware off, final solvent wipe | Installer | Prep compressed to make up lost time |
| Application | Film on, seams planned, no blade on paint | Installer | Working in a bay that is too cold or too dusty |
| Post-heat | Stretched areas heated to the film maker's specification | Installer | Skipped, then paid for months later |
| Inspection | Checked under raking light from more than one angle | Second person | Checked by the person who did the work |
| Cure and hold | Time elapsed as the film manufacturer requires | Scheduler | Released early to free a bay |
| Release | Aftercare given in writing, photographs taken, invoice raised | Front counter | Verbal aftercare that nobody remembers |
Note who owns inspection. The person who installed the panel is the worst person to judge it, because they know where they were careful.
Ten Stages From Booking To Release
- Inquiry: identify vehicle, understand work
- Inspection and quote: see paint, write scope
- Acceptance: deposit taken, date agreed
- Materials: film in building, printing gassed out
- Preparation: washed, decontaminated, hardware off
- Application: film on, seams planned
- Post-heat: stretched areas heated to specification
- Inspection: raking light, second person
- Cure and hold: time elapsed as required
- Release: aftercare in writing, photos, invoice
The three clocks
The bay clock runs while a vehicle occupies space. It starts on arrival and stops on release, and it includes every hour when nobody is touching the vehicle.
Three Clocks Running At Once
Bay clock
- Starts
- On arrival
- Stops
- On release
- Who sees
- Shop
- Can shorten
- Yes
- Failure cost
- Lost capacity
Film clock
- Starts
- Manufacturer sets
- Stops
- Drying complete
- Who sees
- Shop
- Can shorten
- No
- Failure cost
- Callback
Customer clock
- Starts
- When told
- Stops
- Promise met
- Who sees
- Customer
- Can shorten
- No
- Failure cost
- Bad review
The manufacturer sets the film clock. It covers panel warmth for film to conform, the post-heat that resets stretched film so it stops returning to its old shape, and the drying period after glass work when haze and small water pockets clear.
You cannot shorten this clock. Nothing you do in the shop changes it.
The customer clock is what the customer was told. It is the only one they can see, and it is the one that determines whether they are satisfied.
Almost every complaint in this trade comes from a shop that managed the bay clock and ignored the other two. A vehicle released before the film clock has finished produces a callback. A vehicle held past the customer clock without a phone call produces a bad review even when the work is excellent.
The four stalls
- Materials arriving late. The film, the printed panels, or the specific color is not in the building when the vehicle is. This is a booking discipline problem, and it is entirely preventable.
- A vehicle arriving in the wrong condition. Dirty, loaded, still in service, or with paint that should have been seen at quoting. Prevent it with a written arrival standard given to the customer at booking.
- Scope discovered during the job. Recesses, extra hardware, existing film under a panel. Prevent it by inspecting rather than quoting from a photograph.
- A long job blocking short work. A multi-day wrap in a single-bay shop stops everything behind it. This one is a scheduling design problem rather than an execution problem, and no amount of effort in the bay fixes it.
Handover
Work in this trade frequently crosses a shift or a person. Three things must move with it:
What Moves With A Handover
- Where the job is, stated as stage
- What has been done to the surface
- Whether final solvent wipe has happened
- Anything found and not yet resolved
- Anything the customer needs to be told
- Write it down at the vehicle
Write it down at the vehicle. A handover held in someone's head fails the first time that person is off sick.
Six records per vehicle
- Arrival photographs, filed against the job number.
- The written scope as accepted, including exclusions.
- The film line, color, and lot information used.
- Who worked on it and when.
- Completion photographs.
- The aftercare instruction given, in writing.
The IRS guidance on what records a business should keep calls for a system that clearly shows income and expenses with supporting documents. One job number carried across all six makes that work.
Six Records Per Vehicle
- Arrival photographs filed against job number
- Written scope as accepted, including exclusions
- Film line, color, and lot information used
- Who worked on it and when
- Completion photographs
- Aftercare instruction given, in writing
It also answers a warranty question two years later. Price and cost reconciliation is covered in the pricing and profit guide.
Safety and waste live inside the workflow
Solvent use, blades, heat, and roof access on vans are not separate from the work. They are the work. OSHA's guidance on safety management programs describes finding and fixing hazards before an injury or an inspection exposes them.
The version that survives a busy week is a short practice attached to the stages above: ventilation at the wipe stage, sharps discipline at the cutting stage, safe access at the roof stage.
Waste behaves the same way. Removal work creates far more waste film, solvent, and adhesive residue than installation. The EPA's automotive sectors regulatory information is the entry point to federal and state requirements.
Put disposal in the workflow, not in a monthly clean-up. The licensing and compliance guide sets out which obligations bind you specifically.
Measuring the flow without adding admin
You already record four dates: booked, arrived, work complete, released. From those alone:
- Bay days per job, which is arrival to release. This is your real capacity measure.
- Working days per job, which is arrival to work complete. The gap between the two is your cure and hold exposure.
- Booked to arrived, which tells you how far ahead you are selling.
- Late releases as a count, not a percentage, because the count is what customers experienced.
Add nothing else until these four have changed something. Staffing the flow is a separate question covered in the services and packages guide from the menu side, and the bay itself, which sets the ceiling on all of this, is treated in the equipment and setup guide.
Labor is the largest cost in the flow. The Bureau of Labor Statistics Occupational Employment and Wage Statistics tables give area and occupation estimates. They help you judge whether a second installer is affordable against the hours you actually sell.
Demand that fills those hours in your area is covered in the startup and market guide.
Common questions
How do I stop a long wrap from blocking the whole week?
Either give it a bay that is not on the critical path, or plan the week around it deliberately and stop selling short work into those days. Trying to squeeze tint jobs past a wrap in the same bay is what produces late releases on both.
Who should inspect finished work?
Someone other than the person who did it, under raking light from more than one angle, before the customer sees the vehicle. It costs a few minutes and it prevents most callbacks.
Can we release a vehicle early if the customer needs it?
You can release it, and you should not release it before the film manufacturer's cure or hold period, especially on glass. Explain the reason. Customers accept a delay they understand far better than a defect they were not warned about.
What is the first workflow improvement a small shop should make?
An arrival standard given to the customer at booking, and materials confirmed in the building the day before. Those two remove the majority of avoidable delays without changing anything else.
