Loose Fill Insulation Garneau

Blown-in insulation for Garneau attics and closed cavities

Loose-fill insulation is blown in rather than cut and fitted, which makes it the right answer wherever a batt cannot go: over an irregular Garneau attic floor, around trusses and bracing, and into wall cavities that are already closed. What you are paying for is settled depth spread evenly, and that is a thing which can be measured. Depth markers go in before the hose starts, and we read them at the corners rather than in the middle where it is always deepest.

• Ceiling penetrations air-sealed first, not buried
• Baffles at the eaves so soffit venting stays clear
• Existing material assessed — topped up, or removed if it is wet or contaminated
• Settled depth specified and marked before the hose starts
• Depth read back at the corners, not just where the hatch is
• Even coverage carried right out over the top plates

Loose Fill Insulation Garneau

The material must not block the eaves

Garneau drywall in context

Bag count is the honest check

Working in a cathedral or a low attic

Settled depth versus installed depth

The hatch, again, because it undoes the rest

Storage areas and the platform question

Simple, clean, on schedule — Drywall in Edmonton

Loose Fill Insulation Garneau: your questions answered

Can you just add over what is already up there?

Usually, and it is the best value if the existing material is dry, even and uncontaminated. If it is damp, matted, rodent-affected or hiding unsealed penetrations, adding over it buries the problem — we tell you which one we found.

How do I know I got what I paid for?

Bag count. Every bag states the area it covers at a given depth, so bags used divided by area is exactly what went in. We keep them, mark the target settled depth, and read the depth back at the corners rather than the middle.

Will it block my soffit vents?

Not if baffles go in first. Loose material can also be pushed around by wind at the eaves, so the baffles both hold it clear of the vents and stop the edge being scoured thin — which is exactly where the house loses heat.

Is blown-in better than batts?

In an attic, usually yes, because it flows around trusses, bracing and wiring where batts get cut short or forced and leave gaps. In open framed walls at regular spacing, batts are fine. We recommend by the space, not by what is on the truck.

Does loose-fill settle?

Yes, which is why it is specified at a settled depth rather than how it looks on the day. A job blown to look right can measure short a year later. We work to the published settled figure and mark it before starting.

Does the attic hatch need doing too?

Yes, or it undoes a good part of the rest. It needs an insulated weatherstripped cover and a dam around the opening tall enough to hold the new depth back from spilling through every time it is opened.