Vapour Barrier Old Town

Vapour Barrier Old Town

Poly Vapour Barrier Old Town
Basement Vapour Barrier Old Town

Vapour barrier installation in Old Town, Airdrie — 6 mil poly sealed over insulation before drywall, lapped at the seams and sealed at every penetration.

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Vapour barrier installation in Old Town, sealed before the board goes on

Vapour barrier installation in Old Town, 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 Old Town 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. Old Town is an Airdrie community with a mix of older homes and newer builds, so insulation calls here range from basement development in the newer homes to attic and wall upgrades in the older ones nearby. We cover Old Town and all of Airdrie, 7 days a week.

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Vapour Barrier Old Town

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What affects the cost of vapour barrier installation in Old Town?

Area, penetrations and detailing

Vapour barrier cost in Old Town 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 Old Town 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. In older Old Town houses it is worth knowing whether there is lath behind the wall before anything is cut.

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

The warm side, always

In Old Town the barrier goes on the warm side of the insulation — the side facing into the heated Old Town 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 Old Town wall that cannot be corrected without opening the wall back up, which is exactly why we check every Old Town job before anything is covered. In older Old Town houses it is worth knowing whether there is lath behind the wall before anything is cut.

How we install and seal it in Old Town

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 Old Town 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. In older Old Town houses it is worth knowing whether there is lath behind the wall before anything is cut.

Common vapour barrier situations in Old Town

Old Town Airdrie has some of the city's oldest housing stock, so we regularly work on plaster repair, settling cracks that have built up over many years, and drywall retrofits where a renovation replaces old lath-and-plaster walls with modern board. One fixed price after an honest on-site look, and the job done right the first time.

Why Old Town 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 Old Town.

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 Old Town and all of Airdrie, 7 days a week. Free on-site quotes and a fixed price before any work starts. Some Old Town homes are plaster rather than drywall behind the paint, which changes the repair entirely.
How it works

Simple, clean, on schedule — Vapour Barrier Installation in Old Town Airdrie

1

Free quote

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

2

Book a day

You choose the date. Once the Old Town Airdrie job is in the calendar the crew arrives that morning with everything the vapour barrier installation needs.

3

The work

Dust control is set up first — sheeting, sealed openings, containment — then the vapour barrier installation is taken through to a paint-ready finish in your Old Town Airdrie home.

4

Walk it with you

The vapour barrier installation is not done when the tools are packed — it is done when you have walked it in Old Town Airdrie and told us it is right.

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Rated by Airdrie Homeowners

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Emplastrum Drywall is the vapour barrier installation contractor Old Town Airdrie trusts for repair, restoration and finishing — rated on Google by Airdrie homeowners.

Have a look through them before you decide — and leave one yourself once your Old Town Airdrie job is done.

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In Old Town

What we tend to find in Old Town

In Old Town we see original finishes and recent renovations on the same block, so the vapour barrier installation is scoped per house, not per postcode.

Some Old Town homes are plaster rather than drywall behind the paint, which changes the repair entirely — different backing, different bonding, different failure mode.

FAQ — Vapour Barrier Old Town

Vapour Barrier Old Town: your questions answered

Does my basement development in Old Town 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 Old Town 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 Old Town?
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 Old Town 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 Old Town?
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 Bayside, Kings Heights, Coopers Crossing and the Airdrie area.
Is it better to repair our Old Town plaster walls or replace them with drywall?
It depends on the extent of the damage -- for isolated cracks and holes we repair and refinish the existing plaster; if a wall is failing broadly it's often more cost-effective to replace it with drywall, which we can walk you through on-site.
Emplastrum Drywall — Vapour Barrier Old Town | Taping, Mudding, Ceilings & Painting

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