Is mineral wool worth it over fibreglass?

For sound, yes — it is denser, absorbs more energy in the cavity and holds its shape without sagging. It is a small material upgrade on a wall that is already open, which is where it earns its cost.

We insulated the wall and can still hear each other. Why?

Often a shared duct run. Sound travels down the metal and through the openings, going around the wall entirely. That is a mechanical fix — lined duct or a silencer — not an insulation one.

Will it stop the bass from my basement theatre?

Not on its own. Batts work well on speech and mid frequencies; low frequency travels through structure and needs mass and decoupling too. We would rather set that expectation at the quote than after.

Can you add acoustic insulation to a wall that is already finished?

Not without opening it. If the wall is staying closed, the practical route is adding mass and damping on the room side. We will tell you what that realistically achieves before you decide.

Which single wall is the best value to do?

A bedroom sharing a wall with a living room or kitchen, especially if that wall is already open for other work. The noise is airborne, the improvement is obvious, and it is a small addition to work already scheduled.

Do I need to seal as well, or is the insulation enough?

You need to seal. A perfectly filled cavity behind an unsealed perimeter still leaks sound — gaps at the floor and ceiling and back-to-back outlets carry it straight past the batts.

Acoustic Insulation Ottewell Edmonton | Sound Batts

Acoustic insulation in Ottewell: what it fixes and what it does not

Acoustic insulation is one lever of four. Mass, decoupling, damping and sealing are the others, and a cavity full of good batts behind an unsealed perimeter still leaks sound. We would rather explain that first than have you pay for batts and be disappointed.

Honest advice on what batts alone will achieve
Paired with decoupling where impact noise is the problem
Perimeters and penetrations sealed before boarding
Full cavity fill without compression
Dense acoustic batts in wall and floor cavities
Bedrooms, offices, theatres and shared walls in Ottewell

Nurseries and bedrooms next to living space

The most common real request

A bedroom sharing a wall with a living room or kitchen in Ottewell is the case where acoustic batts perform best: the noise is airborne, the wall is usually being opened anyway, and the improvement is immediately obvious.

Cheap to add during other work

If that wall is open for electrical or a renovation, upgrading the cavity is a small addition to work already scheduled. It is the single best value acoustic job we do.

Ottewell drywall in context

About Ottewell

Ottewell is one of the City's largest neighbourhoods, defined by major roadways on all four sides.

What we see in Ottewell

In Ottewell the drywall work is plaster and lath repair, popcorn and stipple ceiling removal, careful patching into original surfaces. We confirm what your home actually needs on site, in writing, before anything starts.

Filling the cavity completely

Gaps undo it

An acoustic batt with a gap at the top of the bay leaves an open air path across the wall. Sound follows it exactly as heat would, and the wall performs closer to an empty one than a filled one.

Compression too

Squashing a batt in also reduces performance. The batt should fill the Ottewell cavity edge to edge and top to bottom, friction-fit, cut around wiring rather than stuffed past it.

Setting the expectation before we start

Reduction, not silence

Acoustic batts in an Ottewell wall make normal speech harder to follow and take the edge off television. They will not make a room silent, and they will not stop a subwoofer.

Why we say it first

The gap between what people expect and what a cavity full of insulation delivers is the usual reason a sound job disappoints. It is a better conversation before the wall is closed than after.

Floors and ceilings between Ottewell levels

The joist space

Insulating the floor cavity between levels helps meaningfully with voices and television from the room below or above. It is a common and worthwhile addition during a basement development.

Impact noise is different

It will do much less for footsteps. If that is the complaint, the ceiling needs decoupling — resilient channel or a similar assembly — and the insulation becomes one part of a larger build rather than the whole answer.

Ceilings between floors

The most requested, the most complex

Footsteps overhead are impact noise transmitted through structure, not airborne sound passing through a cavity.

What actually helps

Insulation in the joist space helps the airborne half — voices, television. The impact half needs decoupling or floor treatment above. In an Ottewell bi-level we explain which half we can address from below.

Sealing, which decides how much of it you keep

Sound follows air

A perfectly filled Ottewell cavity behind an unsealed perimeter still leaks. Gaps at the floor and ceiling, back-to-back outlets and unsealed penetrations carry sound straight past the insulation.

Order of work

Sealing happens before boarding, which means it has to be planned into the sequence rather than added afterwards. It costs little compared to the batts and it protects the money already spent.

How it works

Simple, clean, on schedule — Acoustic Insulation in Ottewell Edmonton

Free quote

We come out to your Ottewell Edmonton property, take a real look at the acoustic insulation, and hand you a fixed price on the spot — no guessing, no vague ballpark. Every acoustic insulation quote in Ottewell Edmonton starts with an honest, on-site assessment.

Book a day

We pick a day that works for your schedule and show up on time, ready to start the acoustic insulation in Ottewell Edmonton. No back-and-forth rescheduling — once it's booked, our team is there.

The work

We keep the dust under control and protect your Ottewell Edmonton home while we finish the acoustic insulation to a clean, paint-ready standard. Floors covered, doors sealed off, and the site left tidy at the end of every day.

Walk it with you

We don't pack up till you've walked the finished acoustic insulation with us and you're happy with the result in Ottewell Edmonton. If anything needs a second look, we handle it before we call the job done.

Reviews

Rated by Edmonton Homeowners

★ ★ ★ ★ ★

Emplastrum Drywall is the acoustic insulation contractor Ottewell Edmonton trusts for repair, restoration and finishing — rated on Google by Edmonton homeowners.

Read the reviews, or leave your own after your acoustic insulation project in Ottewell Edmonton.

Read our reviews on Google

FAQ — Acoustic Insulation Ottewell Edmonton

Acoustic Insulation Ottewell Edmonton: your questions answered

Is mineral wool worth it over fibreglass?: For sound, yes — it is denser, absorbs more energy in the cavity and holds its shape without sagging. It is a small material upgrade on a wall that is already open, which is where it earns its cost.
We insulated the wall and can still hear each other. Why?: Often a shared duct run. Sound travels down the metal and through the openings, going around the wall entirely. That is a mechanical fix — lined duct or a silencer — not an insulation one.
Will it stop the bass from my basement theatre?: Not on its own. Batts work well on speech and mid frequencies; low frequency travels through structure and needs mass and decoupling too. We would rather set that expectation at the quote than after.
Can you add acoustic insulation to a wall that is already finished in Edmonton?: Not without opening it. If the wall is staying closed, the practical route is adding mass and damping on the room side. We will tell you what that realistically achieves before you decide.
Which single wall is the best value to do?: A bedroom sharing a wall with a living room or kitchen, especially if that wall is already open for other work. The noise is airborne, the improvement is obvious, and it is a small addition to work already scheduled.
Do I need to seal as well, or is the insulation enough?: You need to seal. A perfectly filled cavity behind an unsealed perimeter still leaks sound — gaps at the floor and ceiling and back-to-back outlets carry it straight past the batts.

Get Your Free Drywall Quote

Tell us about your project — we’ll get right back to you, 7 days a week. Prefer to call? (403) 829-8702.

Full Name / Company

Phone Number

Email Address

Area

Service Needed

I agree to be contacted by Emplastrum Drywall about my project by phone, text, or email.

No obligation. We never share your information.

📐 Plan Your Project

Estimate Your Insulation

📐 Materials Calculator

How much do you need?

Enter your room size for a quick materials estimate.

Room length (ft)Room width (ft)Ceiling height (ft)Number of rooms Include ceilingSheet sizeCoats of paintCavity depthFraming spacingInsulation already there (in)Top up to (in)Stud spacingDoorsWindowsWaste allowance (%)

Estimate only — rounded up, based on standard coverage rates (drywall +10% waste; paint ~350 sq ft per gallon per coat; batt bundles by cavity depth, less a framing factor; studs at your chosen spacing plus waste). Product coverage varies by brand — confirm quantities before buying. Ask us about the right R-value for your project.

Rather we handle it? Get a free estimate →

Acoustic Insulation Ottewell Edmonton

Acoustic insulation in Ottewell: what it fixes and what it does not