Builder's Pre-Installation Checklist

Euroheat · For builders · Western Australia

Builder's Pre-Installation
Preparation Checklist

Everything that needs to be right on-site before Euroheat arrives to lay pipe – and before you pour.

This checklist covers the full sequence from design confirmation to post-pour sign-off. Share it with your site manager. It prints cleanly if you need a hard copy.

Hydronic floor heating installation has a hard dependency on the build sequence. Unlike most trades, there are two moments in the floor heating process that can't be rescheduled once they start: the pipe lay and the pour. If site access, subfloor preparation, or services coordination isn't right before either of those points, the whole schedule slips.

This checklist is split by build stage. Work through it in sequence. Anything marked Euroheat to confirm needs us signed off before you proceed – check it with your Euroheat contact on the job if you're unsure.

This checklist is the working site annex of Before the Pour – the free builder pack that explains why each of these items exists, with the stage-gate questions, the heated-slab callouts (NCC 2022 and AS 2870), and the $110,000 story of what happens when nobody asks them. Get the full pack here →

Design confirmation – before the slab pour

4+ weeks before pour

Euroheat has the current floor planCurrent revision, not the original DA drawings. We need it to run the heat-load calculation room by room. Any changes to glass area or layout after this point need to be flagged to us immediately.
Heating zones confirmedWhich areas will be heated, which won't. Open-plan areas are typically a single zone. Bedrooms, bathrooms, and living zones may be separate. Confirm with client and communicate to us before pipe lay design is finalised.
Heat pump siting agreed on drawingsLocation decided before the plans are final – at the latest, locked before external walls go up. At least 2m of open air in front of the exhaust fan; behind and beside the unit, the maker's minimum (usually a few hundred millimetres). Outdoors by default. Do not proceed with wall framing until this is confirmed with Euroheat.
Slab and screed specification received from EuroheatWritten specification including insulation type, screed depth, and thermal break callouts. This is what your concreter and subfloor sub need to quote against. Do not proceed on a verbal spec.
Client has confirmed floor coveringTile, polished concrete, engineered timber, carpet – each has different heat output characteristics. We need this confirmed before finalising pipe spacing. Changes after pipe lay can affect performance.

Subfloor preparation – before pipe lay

1–2 weeks before pipe lay

Slab surface is clean, dry, and levelNo debris, no standing water, no significant surface irregularities. A deviation of more than 10mm over 3m will affect screed depth and needs to be flagged to Euroheat before the lay date is locked.
Slab edge insulation installedPer the Euroheat specification: minimum R1.0 down the full depth of the slab's vertical edge (NCC 2022 Housing Provisions 13.2.6). 30mm XPS or 25mm phenolic foam. Must be in before pipe lay – it cannot be retrofitted once pipe is down.
Under-slab insulation in (if specified)Applies where Euroheat has specified it for the floor loading and zone layout. Confirm with your Euroheat contact if you're unsure whether this applies to your project.
Penetrations for pipes and wiring confirmedConfirm sleeve locations with Euroheat before slab is poured. We need pipe penetrations through the slab at specific points – these cannot be cored afterwards without risk of hitting reo.
Site access confirmed for pipe lay dateUnrestricted pedestrian access to all heated zones. No other trades on the slab during pipe lay – we need clear unobstructed floor throughout.
Note

Thermal breaks at wall junctions must be installed by the framing contractor, not Euroheat. Confirm with your framing sub that edge foam/break material is installed at the perimeter of every heated zone before we arrive.

Services coordination – before pipe lay

Confirm with all subs before booking pipe lay

Electrician briefed on heat pump power requirementsThe heat pump needs a dedicated circuit run to its siting location before commissioning. Supply us with the heat pump model confirmation and we'll provide the electrical spec. Do not let the electrician rough in before this is confirmed.
Thermostat/controller locations agreedOne per heating zone. Locations are on the Euroheat zone plan. Standard mounting height is 1.5m. Confirm rough-in positions with your electrician – wiring needs to be run before internal linings.
Plumber briefed – no competing pipe work in heated slabHydronic heating pipes must not be laid alongside hydraulic or stormwater drainage in the same screed layer. Coordinate with your hydraulic sub before pipe lay.
Manifold location confirmedThe manifold is typically installed in a service cupboard or utility area with access to all zones. Location confirmed with Euroheat – must be accessible post-handover for balancing and servicing.

Pipe lay and pour sign-off

Do not pour without Euroheat sign-off

Euroheat has signed off the pipe layout – in writingWe photograph and document the installed pipe layout before the pour. Do not pour until we have confirmed sign-off. A verbal OK on the day is not sufficient – get the sign-off by email or written site instruction.
System is pressure-tested and holdsEuroheat pressure-tests the installed pipe before the pour. The system must hold pressure throughout the pour and curing period. Confirm test result with us before the concreter arrives.
System remains pressurised during pourDo not de-pressurise the system during the pour. The system stays pressurised throughout so any accidental pipe damage is immediately detectable from pressure loss. Notify Euroheat immediately if pressure drops during pour.
Concrete specifications match the Euroheat screed specMix, depth, and finish must match what was specified. Deviations – even well-intentioned ones – affect heat output and must be cleared with us in advance.
No heavy foot traffic or stored loads on heated slab for minimum 28 daysScreed needs full cure time before loading. Heating must not be turned on to accelerate curing – this causes cracking. Notify all trades that the heated zone is off-limits for heavy loads until cure is complete.

Commissioning and handover

After internal linings, before handover

Heat pump installed and electrician has roughed in the circuitHeat pump must be in its final siting position before Euroheat commissions the system. If siting has changed from the drawings, notify us before installation – this may affect performance.
All thermostats and zone controllers are wired and in positionCommissioning requires all zone controls to be functional. If wiring isn't complete, notify Euroheat – we'll reschedule rather than commission an incomplete system.
Floor coverings are inTile, timber, or polished finish must be complete before commissioning. The system is tuned to the actual thermal properties of the installed floor covering, not the specified one. No exceptions.
Euroheat commissioning visit booked – minimum one week noticeAllow at least one full day for commissioning. The system is balanced zone by zone, heat-up characteristics are confirmed, and the owner is walked through controls and seasonal operation. Do not attempt commissioning yourself.
Owner walkthrough and handover documentation receivedEuroheat provides as-installed pipe layout documentation, heat pump specification, zone map, and owner operating instructions. This goes in the building file. The Comfort Guarantee is issued at handover.

Questions about your project?

If anything on this checklist doesn't apply cleanly to your build, or you're unsure of a sequencing question, reach out before the pour. Getting it right costs nothing. Getting it wrong after the pour costs a lot.

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