For builders & contractors
The radiant sub that keeps your schedule intact.
True North Radiant works under builders and GCs across Barrie & Simcoe County — heat-loss-first design, slab rough-ins booked to your pour date, and heating plus plumbing under one contract, one call.
Where we slot in
Five touchpoints, mapped to your build
Radiant only works when it’s sequenced right. Here’s exactly where we show up in your schedule — and what’s in your project file when we leave.
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Pre-permit
Design & documentation
Room-by-room heat-loss to the CSA F280-12 methodology — the calculated load OBC 9.33.2.2 requires your heating equipment to be sized from — plus loop layouts and manifold schedules that drop straight into your designer’s permit set. Radiant as a primary heat source is exactly what makes municipalities ask for full mechanical drawings; we show up with them.
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Pre-pour
Insulation & loop rough-in
Rigid insulation down, loops tied, manifolded and labelled to the drawings — booked to your pour date, not the other way around. Your concrete crew never waits on us.
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Pour day
Under pressure, on record
Every loop is pressure-tested before concrete arrives and stays under test pressure during the pour — with photos and a signed report for your project file. If anything moves, the gauge tells you before the slab hides it.
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Close-in
Mechanical room & plumbing
Boiler, manifolds and controls installed to the design — and the plumbing scope under the same contract. One fewer trade to sequence, one number to call when the framer moves a wall.
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Handover
Commissioning & docs
Zones balanced, controls proven, floors brought up to temperature — and a commissioning report your client and your warranty file can lean on.
Protect the pour
Concrete never touches an untested loop
A damaged loop under a finished slab is the failure every builder fears — so it’s the one we engineer out. Air-pressure testing before and during every pour, held on the gauge, documented every time. Your super gets the photos; your file gets the report.
Paper trail included
What lands in your project file
Every install closes out with documentation — because six years from now, the paper is what protects everyone.
Builder questions
Working with us, answered
Can you provide documentation for our permit package?
Yes — room-by-room heat-loss calculations to the CSA F280-12 methodology, loop layouts and manifold schedules, sized to your municipality’s design temperature. We coordinate directly with your BCIN-registered designer so the stamped submission set goes together without back-and-forth.
How do you handle pour-day scheduling?
Your pour date drives our calendar, not the reverse. Rough-in is booked backward from the pour with the pressure-test window built in, and we stay reachable on pour day — if the schedule moves, one call moves us with it.
Do you carry WSIB and insurance?
Yes — WSIB coverage and liability insurance, with clearance and insurance certificates available for your compliance file on request. Gas and hydronic work is performed under our TSSA licence.
Will you install to our mechanical engineer’s design?
Happily. We’ll build to your engineer’s or designer’s spec as drawn, flag anything we’d question before rough-in rather than after, or take the design scope ourselves — whichever fits how your team runs projects.
Can you take just the radiant scope, or do you need the whole mechanical?
Either. Some builders bring us in for radiant rough-ins only; others hand us heating and plumbing together to cut a trade off the schedule. The pricing and the paperwork work both ways.
What area do you cover?
Barrie and Simcoe County, including Innisfil, Oro-Medonte, Springwater, Orillia, Midland, Penetanguishene, Wasaga Beach, Collingwood and The Blue Mountains. Building outside that? Ask — for the right project we travel.
Next set of plans
Put us on your next pour
Send the drawings or book a site walk — we’ll come back with a heat-loss-based design, a number, and dates that hold.
