Guide
Warehouse floor downtime: phasing a floor without stopping the site
Updated
On a live site the floor is rarely the hard part. Emptying the building, moving the racking and giving the resin the hours it needs are the hard part, and they are what the quote is really about.
Cure time is not negotiable
Every resin system has a return-to-foot-traffic time and a longer return-to-full-service time, and both depend on temperature. A cold building in January cures more slowly than the same building in June. That is chemistry, not contractor reluctance, and pushing racking back on early is one of the few ways to ruin a floor that was applied perfectly. Ask for both times at the temperature the building will actually be at.
The four ways sites get it done
- Whole building, empty
- Cheapest per square metre and fastest overall. Needs a genuine shutdown or an empty unit, which is why it is common in fit-outs and lease changes and rare in live distribution.
- Shutdown week or long weekend
- The usual compromise for manufacturing. Programme is tight and everything, including preparation and cure, has to fit the window, which can restrict which systems are viable.
- Nights and weekends
- Production continues by day. Adds premium labour rates, containment, and a set-up and pack-down cycle every shift. It is a real cost multiplier, so price it explicitly rather than assuming it.
- Bay by bay
- The floor is sectioned and done in phases while the rest of the site operates, with racking decanted and moved ahead of the work. Adds joints at phase boundaries, plus racking handling costs that usually sit outside the flooring quote entirely.
Costs that live outside the flooring quote
- Racking dismantling, moving and reinstallation, including any inspection required afterwards.
- Decanting stock, extra external storage, and the double handling that goes with it.
- Segregation, dust and fume containment, and keeping pedestrians away from wet resin and blasting plant.
- Lost or reduced production during the window, which is usually the largest number in the whole exercise.
- Extended lighting, heating or dehumidification to keep the building in the temperature range the system needs.
Planning the window
- Decide the real access window first, then ask contractors what can be specified inside it. Doing it the other way round produces a specification you cannot install.
- Ask for the programme by day: preparation, priming, application, cure, line marking, return to service.
- Confirm building temperature during and after application, and who is responsible for maintaining it.
- Agree who moves the racking, and whether it is inspected before it is loaded again.
- Put line marking after the floor has cured properly, not squeezed into the last hour of the window.
If nobody on your side owns the programme, the flooring contractor ends up owning it by default, and that is where a good specification quietly turns into a compromised one.