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Trade job forms · TJ-39

Underfloor Heating Installation Record

A free printable underfloor heating install sheet — each zone's pipe or mat, spacing and manifold port, controls, screed and build-up, tests and handover.

First page of the Underfloor Heating Installation Record — Keep the one record of what is under the floor, made on the only day it can be seen, so a future fixing, a fault or a floor change does not start with a guess.
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One page. Choose your paper size — both versions are laid out identically, so neither one gets shrunk to fit.

Print it and write on it

Fill it in type and save

The fillable versions have real form fields — open them in any PDF reader, type into them and save. Printing help.

What this sheet is for

Keep the one record of what is under the floor, made on the only day it can be seen, so a future fixing, a fault or a floor change does not start with a guess.

Who it is for

Heating engineers, plumbers and electricians installing wet or electric underfloor heating, and the floor-layers who follow them.

How to use it

  1. Write the system, product, heat source and floor construction at the top.
  2. Take one line per zone or loop: the pipe or mat, the spacing you followed, the loop length or mat rating, the manifold port and the thermostat.
  3. Record the manifold, controls, screed and the first-heat date from the maker.
  4. Write the test you held and its result, and that the pipes were photographed before the floor went down, then have the customer sign.

What is on the sheet

One page, top to bottom:

Printed under the title: One underfloor heating system as laid: each zone's pipe or mat, the manifold and controls, the floor over it, and the test held before it went down.

The maker's figures; the floor's record. Pipe spacing, loop lengths, test pressures, screed drying and the first-heat schedule are the system maker's figures — write in the ones you followed. Electrical tests go on your scheme's certificate. This sheet is what is under the floor.

Write-on lines: Customer · Address · Date laid · Installer · System type · Product & maker · Heat source · Floor construction · Insulation under

Zones — one line per loop, mat or zone

Table, 5 rows: Zone / room · Area · Pipe or mat · Spacing (maker's) · Loop / mat rating · Manifold port · Thermostat at · Probe fitted?

Manifold, floor and tests — results go on the certificate where one applies

Write-on lines: Manifold make & ports · Mounted where · Mixing / blending set (yours) · Pump & actuators · Wiring centre · Screed or overlay type & depth · Poured / laid on · Edge insulation & joints · First heat allowed from (maker's) · Test held at (yours) / for how long · Result · Photos before covering? · Certificate type & no. · Customer shown controls? · Customer signature · Print name · Installer · Date

Questions

Why is there no pipe spacing or test pressure on the sheet?

Because both are the system maker's figures for that product and that floor, and a wrong one printed here would be worse than none. There is a column for the spacing you followed and a box for the test you held, so the record shows what was done.

What about the electrical certificate for an electric system?

Your scheme's certificate covers the tests. This sheet records the mat, the probe, the thermostat and where they are, which the certificate does not.

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