title: "Spray Foam Insulation Kelowna | EcoSeal Building Performance" description: "Closed-cell spray foam insulation in Kelowna BC for homes, new construction, and rental MURBs. CAN/ULC certified. BC Energy Step Code experienced." service: "spray-foam-insulation" city: "kelowna" audience: "residential" primaryKeyword: "spray foam insulation Kelowna" featuredImage: "/og/service-spray-foam-kelowna.png" faq:
- question: "How much does spray foam insulation cost in Kelowna?" answer: "We price by board foot. Closed-cell spray foam in Kelowna runs around $1.80 per board foot for residential and small commercial work, with the range moving with project size and access. We give a written quote after we see the building. We do not quote sight unseen."
- question: "Is spray foam safe? Does it off-gas?" answer: "Closed-cell SPF is CAN/ULC certified. The chemical reaction completes in seconds. Once cured the foam is inert. The off-gassing rumour has been around longer than the foam has been on the market. We have heard it enough times that we have stopped being surprised."
- question: "Will spray foam pay for itself in a Kelowna home?" answer: "Energy savings on a single home are real but modest. The bigger argument is comfort, airtightness, and not having to redo the work later. If you are weighing batt versus foam on a renovation where the rest of the house stays batt and poly, foam in one area will not give you the airtightness benefit. We will tell you when the math does not work."
- question: "Do you spray over wet substrates?" answer: "No. Spray foam over moisture fails — it does not adhere properly and the problem stays hidden until it is expensive. We test for moisture before every application. We have walked away from jobs where the substrate was wet."
- question: "Can spray foam help with a Step Code home in Kelowna?" answer: "Yes. SPF acts as a continuous air barrier and gives about 6.2 R per inch (closed-cell). For Part 9 homes targeting Step 3 or higher, the airtightness contribution alone moves the model meaningfully. We send a written spec to your energy advisor or energy modeller so the assembly is in the model, not assumed from the drawings."
Closed-cell spray foam in Kelowna and the Central Okanagan
EcoSeal Building Performance Systems is based in Kelowna and works across the Central Okanagan and the wider BC Interior. We do closed-cell spray polyurethane foam on attics, walls, crawlspaces, and full new builds. We do not do residential renovations where one room of a batt-and-poly house gets foam — that does not deliver the airtightness benefit and we will tell you so.
What you get
Two-pound closed-cell spray foam at around 6.2 R per inch (LTTR), CAN/ULC certified, applied to manufacturer-spec density and pressure. A continuous air barrier that doubles as the vapour retarder where the assembly calls for it. Density and moisture checks before the gun runs. A written declaration of what was actually installed — useful for your Step Code energy advisor and useful at resale.
On rental MURB work the same product delivered 0.20 L/s/m² facade airtightness on Park Edge Vernon, an 84-unit 4-storey building in our network. That is among the best wood-frame MURB results on record in BC.
When spray foam is the right call in Kelowna
New construction, where we can spray before drywall and reach every cavity. Crawlspace walls and rim joists, where stopping air movement also stops cold floors. Attic floors and roof decks on existing homes, where a thermal break across the joists can finally make the bedrooms upstairs comfortable. New rental MURBs targeting BC Energy Step Code 3 or 4 where airtightness is the differentiator and the FortisBC Commercial New Construction rebate is on the table.
When it is not
A single room added to a batt-and-poly house. A renovation where the substrate is wet. A condo or strata building (we don't work those). Any project where the homeowner wants the cheapest option — we are not that.
How we work with energy advisors and modellers
The energy model is only as good as what the contractor tells the modeller. If the drawings say batt and poly and we install SPF without communicating, the as-built report runs with batt and poly assumptions. The building outperforms the model and nobody knows by how much.
We send a written spec letter — assembly, R-value, airtightness target — before the permit model is built. The modeller plugs in actual numbers. Step Code declarations get signed against what is actually in the wall.
Service area from Kelowna
Kelowna, West Kelowna, Lake Country, Vernon, Salmon Arm, Kamloops, Penticton. We travel further on rental MURB envelope work — the BC-wide MURB hub page covers that work in detail.
Read next
- BC Energy Step Code MURB Guide — Step 3, Step 4, FortisBC CNC and CMHC MLI Select for new rental MURBs.
- Building Performance Advisory BC — pre-construction envelope advisory for developers.