Attic insulation · Completed October 2026

Blown-in attic insulation top-up in Fort Myers, FL 33919

A 1,700 square foot attic where the original insulation had quietly flattened out over the years. It went back up to depth with blown-in — and the finished level was measured and photographed right across the attic, not just at the hatch.

1,700 sq ft attic Blown-in top-up Depth measured throughout

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A depth ruler set in the finished blown-in insulation to record the installed level, Fort Myers FL 33919

ServiceAttic insulation

LocationFort Myers, FL 33919

CompletedOctober 2026

Area1,700 sq ft

What the homeowner needed

Attic insulation does not fail. It settles. Blown-in material that went down at the right depth years ago compresses under its own weight, drifts away from the edges, and ends up sitting lower than the day it was installed — without ever looking broken.

That matters more in Lee County than almost anywhere. The attic is the single largest heat load on a Florida house: sun on the roof deck all day, an attic running far hotter than the rooms below, and one layer of insulation between the two. When that layer thins, the air conditioner is the thing that makes up the difference, every afternoon, for years.

This job came through the Florida Power & Light residential insulation programme, which is how a lot of these attics finally get looked at.

What we found in the attic

The original insulation was still there and still doing something — just not enough of it. Across the open runs it had thinned and packed down between the joists, and in the low-clearance sections near the eaves it had drifted thinner still.

Around the wiring runs and the recessed light housings it sat lower and more unevenly, which is normal: those are the places where material gets disturbed and never quite goes back. They are also the places heat finds first.

Nothing here was a defect. This is simply what an attic looks like after a couple of decades, and it is the reason a top-up is a different job from a repair — there is nothing to fix, only a level to restore.

What we did

Blown-in insulation across the full 1,700 square feet, carried out to the eaves rather than stopping where the crawl gets tight.

Pre-work recordFraming, wiring runs and light housings photographed before anything went down
CoverageBlown-in applied across the whole attic floor, including the low-clearance runs
EdgesMaterial carried right out to the eaves, where thinning is worst
ObstructionsBlown around wiring and recessed housings rather than piled against them
DepthFinished level measured with a depth ruler at multiple points and photographed

That last line is the one worth reading twice. A blown-in job is sold by depth, and depth is the one thing a homeowner cannot check afterwards without climbing into their own attic with a ruler.

So we put the ruler in ourselves, in several places, and photographed it — at the open runs, at the roof edge, between the trusses and at the far side of the attic. If the level is right in all four, it is right. The photos below are that record, not a sample of the best corner.

Photos from the job

Sixteen photos taken on site in October 2026. Click any photo to open it full size. Homeowner details have been removed; the neighbourhood and ZIP have not.

The attic before work, with the original insulation thinned and settled between the joists, Fort Myers FL 33919 — Before — the original insulation, settled between the joists.

Attic framing and wiring runs recorded before the blown-in top-up began, Fort Myers FL 33919 — Framing and wiring, recorded before anything went down.

The original attic insulation sitting low around the wiring runs, Fort Myers FL 33919 — Sitting low around the wiring runs.

The low-clearance section of the attic as found before work, Fort Myers FL 33919 — The low-clearance run, where coverage thins first.

A recessed light housing in the attic, checked before insulation was blown around it, Fort Myers FL 33919 — A recessed light housing, checked before the fill.

Depth marker and fill hose in place while the attic was being filled, Fort Myers FL 33919 — Depth marker and hose, mid-fill.

The attic after the blown-in top-up, with even coverage across the joists, Fort Myers FL 33919 — After — even coverage across the joists.

New blown-in insulation carried right out to the eaves, Fort Myers FL 33919 — Carried right out to the eaves.

Finished insulation depth measured across the attic floor, Fort Myers FL 33919 — Depth across the open attic floor.

Insulation level checked where the roof line meets the attic floor, Fort Myers FL 33919 — Level where the roof line meets the floor.

Even blown-in coverage between the roof trusses after the top-up, Fort Myers FL 33919 — Even coverage between the trusses.

Depth marker standing in the finished blown-in insulation, Fort Myers FL 33919 — Marker standing in the finished fill.

Finished insulation sitting under the roof deck after the top-up, Fort Myers FL 33919 — Finished fill under the roof deck.

Insulation depth recorded at the far side of the attic, Fort Myers FL 33919 — Depth at the far side, away from the hatch.

The attic hatch seen from inside the house after the work was finished, Fort Myers FL 33919 — The hatch, from inside the house, on the way out.

What this changes for the house

The attic is back at depth, which means the air conditioner stops paying for what the insulation used to do. In a Fort Myers summer that difference shows up as a system that cycles instead of running, and as rooms under the roof that stop being the hot ones.

It is also a job that does not need doing again for a long time. Blown-in settles slowly — the reason this attic needed attention is that it had been left alone for two decades, not that anything went wrong.

If you have never been up there, that is the normal answer, and it is exactly why these top-ups get missed. The quickest way to know is to look at the depth against the top of the joists: if the insulation is level with them or below, it is short.

Service areaAir conditioning and insulation in Fort Myers, FL ServiceBlown-in insulation More workAll recent jobs across Florida

Do you know how deep your attic insulation actually is?

Almost nobody does. We will go up, measure it against the joists, and tell you whether it is worth topping up or whether it is fine as it is.