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Vapour barrier installation in Rundle, sealed before the board goes on

A vapour barrier is one of the few things in a build that is completely hidden and completely unforgiving — once the drywall is on, a torn sheet or an unsealed outlet box stays that way for the life of the wall. In Rundle we install and seal 6 mil poly over the insulation on the warm side, lapped at the seams and sealed at every penetration, before any board goes up. Rundle is an established NE Calgary community of older homes where repair and stipple-ceiling work are common, so attic top-ups and wall insulation upgrades are common here alongside basement development, since original insulation levels are often below current standards. We cover Rundle, Homestead, Moraine, Twinhills and every Calgary quadrant, 7 days a week.

Vapour Barrier Rundle

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What affects the cost of vapour barrier installation in Rundle?

Area, penetrations and detailing

Vapour barrier cost in Rundle depends on the wall and ceiling area being covered, the number of penetrations that need sealing — outlets, vents, pipes and light boxes — and how much detail work the rim joist and window returns need. We measure the space and give a fixed price before we start.

Usually priced with the insulation

Most Rundle vapour barrier work is quoted together with the insulation and the boarding that follows it, because it is the same crew and the same visit. Rundle spans a range of build eras, so what is behind the wall differs street to street.

Which side the vapour barrier goes on, and why that is not optional

The warm side, always

In Rundle the barrier goes on the warm side of the insulation — the side facing into the heated Rundle room. That is what stops indoor moisture from travelling into the wall cavity and condensing when it reaches cold framing.

What goes wrong when it is reversed

A barrier installed on the cold side traps moisture inside the assembly instead of keeping it out. It is one of the few mistakes in a Rundle wall that cannot be corrected without opening the wall back up, which is exactly why we check every Rundle job before anything is covered. Rundle spans a range of build eras, so what is behind the wall differs street to street.

How we install and seal it in Rundle

Hung, lapped and sealed

We run the poly in the largest sheets the space allows to keep seams to a minimum, lap every seam over a stud or joist rather than in open cavity, and seal it — a stapled overlap on its own is not a seal.

The penetrations are the job

Outlet and switch boxes, bath fans, dryer vents, plumbing stacks and pot lights each get sealed individually in your Rundle home. Poly on the walls with open boxes behind it is not a working vapour barrier, and it is the single most common thing we find on jobs that were started by someone else.

Common vapour barrier situations in Rundle

By now most Rundle homes have been through at least one round of renovation, so we regularly patch drywall left rough behind old cabinetry or flooring trim, and skim whole rooms flat when owners are finally removing the original textured ceiling. Assessed on site, priced up front, and finished properly — every time.

Why Rundle homeowners have us do the vapour barrier

We are the ones boarding over it

As a drywall company we install the barrier the way we want to board over it, because we are the trade that has to live with what is behind the sheet in Rundle.

Left ready to be looked at

We leave the barrier complete and visible so it can be inspected before the drywall goes on — nothing gets covered until it has been seen.

Fixed price, same-day reply

We cover Rundle and every Calgary quadrant, 7 days a week. Free on-site quotes and a fixed price before any work starts. Housing in Rundle is mixed, which is why we look before we quote rather than after.

Simple, clean, on schedule — Vapour Barrier Installation in Rundle Calgary

1

Free quote

Before anything is priced we walk the vapour barrier installation with you at the Rundle Calgary property. You get a fixed figure that day, not a range that moves later.

2

Book a day

Scheduling is settled in one conversation. The vapour barrier installation start date in Rundle Calgary is confirmed and the team turns up on it.

3

The work

Floors get covered and doorways sealed before the vapour barrier installation begins. Your Rundle Calgary home stays liveable while we work, and the site is tidied each day.

4

Walk it with you

We don't pack up till you've walked the finished vapour barrier installation with us and you're happy with the result in Rundle Calgary.

Rated by Calgary Homeowners

Emplastrum Drywall does vapour barrier installation in Rundle Calgary — patches, restoration and paint-ready finishing. The reviews come from Calgary homeowners on Google, not from us.

Go through them, then judge us on your own Rundle Calgary project.

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Vapour Barrier Rundle: your questions answered

Does my basement development in Rundle need a vapour barrier?
Almost always, yes — exterior basement walls in our climate need a barrier on the warm side of the insulation before drywall. We confirm what your specific assembly needs on the site visit rather than guessing from the plan.
Which side of the insulation does the poly go on in a Rundle home?
The warm side — the side facing into the heated room. It is the detail that gets reversed most often, and it is not correctable once the wall is boarded.
Do you seal the outlet boxes and vents in Rundle?
Yes — every outlet, switch box, vent and pipe penetration gets sealed individually. Poly hung over open boxes looks finished and does not work.
Do I still need a vapour barrier in Rundle if I have spray foam?
Sometimes not — some spray foam assemblies act as their own barrier, and adding poly over them can be the wrong call. It depends on the product and the thickness, so we confirm on site instead of assuming.
Can you do the vapour barrier and the drywall together in Rundle?
Yes — insulation, vapour barrier and boarding as one job is the most common way we do it, and it means one crew is responsible for what ends up behind the wall. We also cover Homestead, Moraine, Twinhills and every Calgary quadrant.
We're renovating our Rundle home and found rough drywall behind old cabinets — can you fix that?
Yes — that's a common find in homes this age. We patch and skim it flush with the rest of the wall so it's ready for new cabinetry, tile or paint.
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