Model # INS541LD

Internet #100318635

Store SKU #211904

GreenFiber Low Dust Cellulose Blow-in Insulation 19 lbs. Bag
0729477005409

GreenFiber

Low Dust Cellulose Blow-in Insulation 19 lbs. Bag

  • Creates a thermal blanket to lower energy costs and reduce noise
  • Free 24 hour machine rental with the purchase of 20 bags
  • Apply over existing insulation or in new construction
$11.25 / each
If you buy 100 or more
$7.88 / each
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Product Overview

Keep your home comfortable in extreme cold and hot temperatures all year round. GreenFiber cellulose insulation fills gaps and voids to create an energy saving thermal blanket and reduce noise. Fire resistant treated insulation is made with up to 85% recycled material that meets Class 1 Fire Rating to protect your home and give you more time to evacuate.

  • Ideal for attics: creates an energy saving thermal blanket
  • Apply over existing insulation or in new construction
  • Free 24-hour machine rental with the purchase of 20-bags
  • Ideal for attic blow-in installations to create a thermal blanket that fills voids and reduces noise
  • Covers 40 sq. ft. per 19 lbs. bag at R-19
  • R-value coverage ranges from R-13 to R-60 for superior resistance to airflow and meets U.S. Department of Energy's (DOE) recommendations for reducing energy costs
  • Fire resistant treated insulation is made with up to 85% recycled material that meets class 1 fire rating to protect your home and give you more time to evacuate
  • Requires no cutting tools; allowing for simple installation in just 3 steps: (1) assemble machine (2) place machine on flat, dry surface (3) point and blow-in
  • Dense pack application in attics and sidewalls reduces outside noise
  • ENERGY STAR
  • Limited lifetime warranty
  • Note: product may vary by store

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
13
Product Height (in.)
15
Product Width (in.)
25

Details

Insulation Application Type
2x4 Walls,2x6 Walls,Attics,Ceilings
Insulation R-Value
60
Insulation Type
Loose Fill
Material
Cellulose
Weight Per Cu. Ft. (lbs)
1.4

Warranty / Certifications

Warranty Information
Limited Lifetime Warranty

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Customer Questions & Answers

how many cubic feet in each bag?

Asked by: mary
19 lbs ÷1.4 lbs per cubic foot=13.5 cubic feet per bag. But with cellulose you sgould factor gravity over time will cause some compacting, though the thermal resistance does not reduce at the same rate as volume because the mass is not reduced at the same rate. So to sum up 13.5 cubic feet per bag roughly after being blown in.
Answered by: Math
Date published: 2017-06-26

WALL INSULATION

I LIVE IN A OLD WOOD FRAME HOME WITH NO INSULATION CAN THIS PRODUCT BE USED TO INSULATE BETWEEN THE EXTERIOR AND INTERIOR WALL
Asked by: KINZZI
I'll agree with the folks who drill from the outside to install the insulation. I would also add that we use a fiberglass rod or two from an old tent to locate studs by putting the rod into the hole sideways till it hits the stud. Then mark and drill the hole about 7" from the mark. Works vertically too to find bracing and fire stop. You could use a flexible tape measure but you run the risk of hitting a bare electrical wire, especially old homes with knob and tube wiring.
Answered by: C3Inc
Date published: 2017-03-12

can I put this in without using the machine?

I have an old attic with (I think) loose rockwool insulation. I have a floor in my attic so I have to remove each board (and vacuum dirt!) before topping off existing insulation. Then I have to move the boxes etc that I have to the finished areas, so this will take several days. I do not think that I can keep the blower machine that long and I would prefer to minimize dust, so I am hoping that I can fluff up this insulation by hand and do the project as I am able.
Asked by: jackie
If you are putting the floor back, you would be better off using unfaced fiberglass bats or buying isocyanurate or polystyrene sheets (much higher R value) and fitting them as you go.
Answered by: wooodchuck
Date published: 2017-03-15

r value

This says it covers 40 square ft, at what r value. What's the r value per inch? Why make this info so hard to find?
Asked by: floyd
"The R-value of loose fill cellulose is R-3.2 to 3.8 per inch. Loose fill fiberglass has an R-value of R-2.2 to 2.7 per inch. Achieving the desired R-value depends on both the depth of the insulation and its density. Insulation depth." But the thickness will drop a little bit, after the cellulose settlling http://www.greenfiber.com/step_one_-_calculate_your_need_how_to_install.html
Answered by: geekshreak
Date published: 2017-05-02
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Customer Reviews

Low Dust Cellulose Blow-in Insulation 19 lbs. Bag is rated 4.4 out of 5 by 154.
Rated 5 out of 5 by from Just finished a 137 bag project today, so too early to tell/see any difference in heating. I was ... Just finished a 137 bag project today, so too early to tell/see any difference in heating. I was really apprehensive about using Home Depot's blower after reading all the reviews, but decided to dedicate two full days to blowing all the Green Fiber into my attic. Started at 8:30 this morning and was completely finished at 11:30 - yes 11:30 AM! 137 bags in three hours, and we had to move into two separate attic spaces. I had the attic all prepped well in advance, and when I got the blower, I spent about two hours cleaning it, oiling the chain, greasing it, cleaning the hoses and patching any holes. Had 3 people on the ground setting bags on a table next to the blower, cutting the plastic wrapper off, and feeding material into the machine. Some really key points: 1. Get a 6' piece of 3" vent pipe to easily put on and take off the end of the hose in the attic; it gives you a lot more precision in getting into corners plus allows you to direct the fiber where you want it. 2. Spend the money for a Tyvek suit with a hood, fully enclosed goggles and a couple of 95 rated masks. It is very dusty in the attic, but not miserable. 3. My machine had a switch at the end of the hose to shut off the flow of fiber through the hose which was GREAT because you were in total control of the operation. 4. Even though there was a switch on the end of the hose in the attic, we had walkie talkies so we could communicate about how many bags we were using which gave you an idea of the accuracy of your application and if you were going to be long or short on material. All in all, a piece of cake. The crew at the St Joe, Missouri Home Depot were the friendliest and most accommodating group of people that I have dealt with in years - hey were absolutely great!!!! Now the real test to see what the energy savings will be.
Date published: 2017-02-05
Rated 5 out of 5 by from Dense Packing Achieved. I'm writing this review because I had been unable to find out if Dense Pa... Dense Packing Achieved. I'm writing this review because I had been unable to find out if Dense Packing insulation in walls could be achieved with the lower power machines available at Home Depot and Lowes. They can. Green Fiber outlines a procedure to do so using a machine capable of blowing 1800 lbs/hr with adjustable air pressure. I couldn't find the rating on these machines and the air pressure is fixed. Green Fiber describes doing it with netting stapled to new construction walls. I wanted to do it to a 56 yr. old brick faced house and the house side walls in my garage. I was able to achieve a density of 3.60lbs per cubic ft with the following method. I took off the soffit panels under the roof overhang. This gave me access to the wall just above and behind the brick facing. I drilled a 4" dia. hole in the sheathing and this allowed me to force the 2 1/2" dia. hose down the wall to near the bottom of the cavity. I have 2x4 walls with 16"oc spacing. I had the white hoses with my machine so I could somewhat see the insulation flowing through the hose. I had the damper open on the machine about 1/4. I filled the cavity from the bottom up until the flow started slowing down and the hose wanted to back out. I then slowly pulled the hose up watching the flow and resistance. When I got to the hole I pointed it up and filled the top of the void. Before I started I measured the actual width and depth of every space and weighed the bags on a balance beam scale. They varied in weight from 19 to 21.5 lbs. My average was 20lbs/bag. I calculated the total volume of the cavities, divided it by the total weight used for my average 3.60lbs density.
Date published: 2016-11-21
Rated 5 out of 5 by from took a bit over 5 hours to blow in 105 bags into our attic. Weather was bad outside so I blew in... took a bit over 5 hours to blow in 105 bags into our attic. Weather was bad outside so I blew in from livingroom and it made a mess. But...after installing now my furnace actually shuts off and cycles, it used to run and run and run
Date published: 2017-03-14
Rated 5 out of 5 by from I used this to insulate the attic over my 1000 sq/ft garage. I used 50 bags and the coverage was ... I used this to insulate the attic over my 1000 sq/ft garage. I used 50 bags and the coverage was just what the package said. Easy to blow in and I'm very happy with my choice.
Date published: 2017-02-23
Rated 5 out of 5 by from Absolutely easy to use and made an immediate difference in the comfort and quietness of our home' Absolutely easy to use and made an immediate difference in the comfort and quietness of our home'
Date published: 2017-07-04
Rated 5 out of 5 by from Dusty work, but it works well My big worry about installing this stuff was all the reviews saying the free rental machine didn't work well. I decided to go for it anyways, and let me tell you: It works VERY well and it pumps the insulation up about as fast as you can control it. It looks like a snowblower coming out. And it never clogged. I did notice that the store had two machines, and one was missing the slider door that regulates the amount of insulation going to the hose. I used the other one. We kept the door 1/3 the way open. The other thing is that the person feeding the machine needs to push the blocks through the grate or not much happens. I used a 10 gauge extension cord on a 20A circuit, and of course, you must run the machine outside.
Date published: 2016-05-03
Rated 5 out of 5 by from I have a 40 year old Ranch in Utah. The AC never shuts off until night in the summers. I get ic... I have a 40 year old Ranch in Utah. The AC never shuts off until night in the summers. I get ice dams in the gutters in winter. After finishing all my projects, blew in 80 bags to add about 14 inches to my current insulation. Noticed immediate results. The air conditioner now cycles on and off during the day. The one room that was hotter than the others is now more normal. I don't know about the ice dams yet, but I suspect they will be severely reduced or gone. This is easy to do. It is messy, but put on a respirator mask, adequate lighting, and you are good to go. Definitely need two people.
Date published: 2017-07-10
Rated 2 out of 5 by from Easy enough to blow in 30+ bales in my one story attic with my wife feeding the blower. This was ... Easy enough to blow in 30+ bales in my one story attic with my wife feeding the blower. This was the dustiest, nastiest job I've ever done, and I'm still (months later) finding dust in places it should not have gotten. I DO NOT recommend this product. If virgin material would have been less dusty, I would have skipped the "green" in a heartbeat. We had virgin cellulose to start, and I layered this over it. Maybe I'll layer some virgin back over this, but I'm not in a hurry to spend more time in the attic. Still filthy up there! Gave up on using the space for storage. Too dusty!
Date published: 2017-02-02
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