Ankeny Blown-In Insulation
Blown cellulose and fiberglass for Ankeny attics and retrofit walls. Even coverage, dense-pack wall fill, verified depth, and a written report you keep.
Ankeny Blown-In Insulation that lands even, every time.
Blown-in insulation is the workhorse of the shell. It fills the odd geometry of an attic floor that batts never quite cover, it slides into wall cavities you cannot open, and it hits your target R-value fast without the gaps and compression that plague hand-laid material. For most Ankeny homes, a blown-in top-up is the single most cost-effective comfort upgrade on the table.
Patriot Gutters & Insulation blows two materials depending on the assembly: cellulose, which settles into a dense, air-resistant blanket with recycled content and strong cold-weather performance, and blown fiberglass, which is lighter where ceiling framing weight is a concern. We are a Woodward gutter and insulation contractor covering the Des Moines metro, and Ankeny’s blend of newer subdivisions and older established homes means we run both products regularly. The right call is the one that fits your attic, not the one on the truck.
The number that matters is the settled depth. Cellulose settles a published, predictable amount, so we blow to the installed depth that lands at R-49 after settling, then leave depth rulers so the finished coverage is verifiable across the whole floor. On retrofit wall work we dense-pack through small access holes and patch, closing the cold-wall draft without tearing out drywall.
The blown-in tradeoff, honestly explained.
Density, settling, and R-per-inch
The two materials we blow behave differently, and the right pick depends on your Ankeny attic. Cellulose is the denser of the two. It packs to roughly 1.5 pounds per cubic foot loose-laid, delivers about R-3.7 per inch, and its weight is what lets it resist air movement so well in a cold climate. It settles a known, published amount over the first weeks, so we blow to an installed depth that lands at your target after it settles rather than short of it.
Blown fiberglass is the lighter option at under a pound per cubic foot, giving roughly R-2.5 per inch, so it needs a bit more depth to hit the same value. Its advantage is weight: on framing where a heavy cellulose load is a concern, or over a ceiling that has to stay light, blown fiberglass is the safer structural call. It does not settle the way cellulose does, which some homeowners prefer for the long term.
Treatment, moisture, and old material
Cellulose is treated with borate, which makes it fire-resistant and unappealing to insects and rodents, a real benefit in an older Ankeny home. Fiberglass is inorganic and will not feed mold or pests either. Both are safe, proven materials; the choice is about density and weight, not one being better than the other.
Moisture matters on the vapor side too. Neither blown material is a vapor barrier, so on attic work we keep the ceiling’s existing vapor control intact and set baffles to move humid air out through the ridge. And there is a cost to leaving old, matted, settled insulation in place: material that has compressed to half its depth or absorbed years of dust is delivering a fraction of its rated value, so a fresh blown layer over a sound base, or a full removal and replace where the base has failed, is what actually restores the R-value on the tag.
Same workflow on every Ankeny job.
Assess the assembly
We measure existing depth, check for wet or matted material, and decide cellulose or fiberglass based on your framing, target value, and any weight concerns.
Prep & protect
We mask off the work zone, protect the attic hatch and any stored items, and set the hose run so the crew works clean without tracking through the house.
Air seal first
On attic work we seal recessed cans, plumbing penetrations, and the hatch before blowing, so the loose fill sits over a sealed deck instead of a sieve.
Blow to target depth
Even coverage across the whole floor to the installed depth that settles at R-49. For retrofit walls, dense-pack cavities through small access holes.
Verify & patch
Depth rulers confirm coverage. On wall work, access holes are patched flush. We photograph the finished blanket and the ruler readings.
Report & sign-off
You get a written depth report and product documentation, we magnet-sweep, and any old material leaves on our trailer.
What blown-in fixes across an Ankeny home.
Attic top-up
An Ankeny attic sitting at R-19 or R-30 gets brought up with a fresh cellulose or fiberglass blanket over the existing material. The Department of Energy recommends R-49 to R-60 for attics in Iowa’s climate zone 5, and blown-in is the fastest way to get there, usually a half to full day. It is the biggest single lever on a winter heating bill.
Retrofit wall dense-pack
Older homes near downtown Ankeny often have hollow or under-filled wall cavities. Dense-packing blown cellulose through small holes fills every void and stiffens the cavity against air movement, killing the cold-wall feel without a gut remodel.
Cellulose vs fiberglass
Cellulose settles denser and blocks air better in a cold climate, which is why we lean toward it for most Ankeny attics. Blown fiberglass is lighter and a fair choice where framing load matters. We tell you which one suits your assembly.
Even coverage, verified
The R-value only counts if the depth is uniform. We leave depth rulers set across the attic so the coverage is even corner to corner, not a mound over the access hatch with thin edges where the heat escapes.
Questions Ankeny homeowners ask.
Cellulose or fiberglass for a blown-in job in Ankeny?
Can you add blown-in insulation to existing exterior walls?
How deep does blown-in insulation need to be for an Ankeny attic?
Will blown-in insulation settle and lose R-value over time?
How long does a blown-in insulation job take in Ankeny?
Do you air-seal before blowing insulation in?
Free blown-in insulation quote.
Call and we will come out, measure your existing depth, and write a real scope for your Ankeny home. No deposit, no pressure. See finished work in our gallery or request the quote.