Model # AS2

Internet #100676399

Store SO SKU #583042

Owens Corning Attic Stair Insulator II 25-1/2 in. x 54 in.
0047563701265

Owens Corning

Attic Stair Insulator II 25-1/2 in. x 54 in.

  • Lightweight, provides comfort for your home year-round
  • GreenGuard certified
  • Attic Stair Insulator II 25-1/2 in. x 54 in.
Was  $53.95
$48.56 /each

Save $5.39 (10%)  through 05/06/2017

Frequently Bought Together

Product Overview

Choosing The Right Insulation

Faced Insulation

Faced

Face insulation uses kraft paper vapor barrier to control moisture transmission between 
walls and floors 

*Check your local building code for requirements
Unfaced Insulation

Unfaced

Unfaced insulation does not have a vapor barrier; used over existing insulation in the attic, or where moisture control is not needed

Rolls Insulation

Rolls

Continuous rolls are easy to transport and can be cut to length; great for large areas

Batts Insulation

Batts

Come in pre-cut lengths for faster installation and each package contains more square feet than rolls; ideal for framed cavities

Blow-In Insulation

Blow-In Insulation

Installed using blowing machines, best for adding additional insulation in attic

Regional R-Values

Regional R-Values Map

The Department of Energy recommends different insulation
levels based on regional climate zones to increase energy efficiency

Map key with insulation type based on region

This easy to install insulator closes the insulation gap created by attic stair access, helping to reduce energy costs year round. Insulator is comprised of a durable, Pink Fiberglas Insulation and tough, highly reflective foil.

Info & Guides

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Specifications

Dimensions

Details

Warranty / Certifications

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Customer Questions & Answers

will this cover the protruding parts of the stair when closed?

I have about 5" of stair protruding above attic floor when the stair is closed. Because the insulator is triangular I wonder whether it has enough space to contain this part without lifting up
Asked by: attictom
Yes - it goes up a foot or two. It's like a small pup tent with straight sides up to a pitched top.
Answered by: ReadyEddy
Date published: 2015-12-09

Could this be used to cover an attic fan?

Asked by: Willie
If your fan is smaller than the size of the tent, I don't see why you couldn't use it for that purpose.
Answered by: Al
Date published: 2015-11-04

Is this product primarily used for an attic stairway door that leads to the actual living space of a home?

We live in Central FL and the door to our attic is in our (attached) garage, not the interior of our house (air conditioned living space). Although the attic door doesn’t close all the way and has a very large gap in the frame due to bent stair hinges, any escaped air from the attic just goes into our garage, which otherwise is sealed from the interior of the house because we have 2 solid/sealed doors between the garage and the inside of the house. We haven’t found an easy/inexpensive fix for the bent hinges/attic door gap, other than replacing the entire pull-down attic stairway. That said, do you think this product would do us any good? If so, why?
Asked by: Sharon
It would be best for an attic stairway that leads to storage space
Answered by: HandyMike
Date published: 2016-10-11

Does this come any wider than 25-1/2, or is there something similar that would work?

Asked by: Tish
It says it's only available in one standard size to fit most openings. You could make your own with purchasing some duct wrap but making it any wider without some kind of extra support may fail to work properly. Because of the weight of the insulation, trying to make it any wider may could collapse the tent. Construct a lightweight tent with furring strips and fit insulation over top of it.
Answered by: jdonohew
Date published: 2015-11-04
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Customer Reviews

25-1/2 in. x 54 in. Attic Stair Insulator II is rated 4.3 out of 5 by 284.
Rated 1 out of 5 by from Has no body/no frame so does not hold its tent shape. Practically disintegrated after a year. p... Has no body/no frame so does not hold its tent shape. Practically disintegrated after a year. plus, the metal "arms" on my pull down stairs hit the sides when the steps go up. I need to access my attic for storage and find it difficult to move when entering the attic. For now I have a cardboard box that provides support and this insulating blanket is laying over it. You might be able to build a frame that would support this insulating blanket but most of us don't have that sort of "project" in mind. We want a user friendly solution to our insulating problem. I am looking for a solution that better suits my needs and situation. Disappointed.
Date published: 2016-11-16
Rated 5 out of 5 by from Very Good I bought this at a Home Depot "sale of the day" at 50% off, thinking that if it didn't work, I wouldn't have spent too much money. I am happy to report that it does a great job. It is very easy to install, and is very effective in keeping the cold temperature in the attic (its winter now) from settling down into the living space thru the attic stairs. The only downside is that the sides get pinched and torn by the hinge when I open and close the attic door. The sides of this product could be reinforced with hard plastic to keep that from happening.
Date published: 2016-12-09
Rated 4 out of 5 by from I learned of this product from a friend. Like her attic stairway cover, this insulator works wel... I learned of this product from a friend. Like her attic stairway cover, this insulator works well for me. It arrived (free delivery, thank you very much, Home Depot!) packed neatly into a small box. It was easy to unpack and easy to set into my attic stairway. Buying this insulator was cheaper and easier than trying to get a perfect seal for my attic stairway. Now, when my heating or air conditioning is running, I'm getting a better value for my heating and cooling dollar.
Date published: 2016-12-14
Rated 5 out of 5 by from Great product. Greatly cuts down on heat loss from uninsulated... Great product. Greatly cuts down on heat loss from uninsulated attic stairs. It's easy to install and easily removed to access the attic. Would recommend for everyone with attic stairs.
Date published: 2017-02-07
Rated 4 out of 5 by from I bought this grudgingly, because of the price. I read reviews how it sinks down and collapses on... I bought this grudgingly, because of the price. I read reviews how it sinks down and collapses once it's installed. Well, it's true it does. And also the arms on the sides of the Attic Stairs, and the Steps themselves tear the Insulation when retracting the stairway. The next day I was ready to return it. So, I went up into the Attic to take it down. But, I noticed it was doing a good job on the attic draft. So I thought I had to find a way to make it work. I went back into Home Depot and got three sticks of PEX Pipe, 1/2" x 5 foot(or close to it). I spent just over 5 dollars for the 3 pieces of pipe. I cut about one foot off of each pipe and BOWED them in a half circle. I put a nail on each side of the Roof Truss, not the Stairway Frame. About 12" from one end of the stair opening, and 12" from the other end of the opening. And I put a nail on each side in the center. I put the pipe over each nail to hold the them in place. Now it stays up, and pushes the insulation away from the stairway arms and folding stairs. I wish Owens Corning would supply 3 Spring Straps to hold the insulation in place. But, at least I got to keep this product, because it does a great job.
Date published: 2017-01-04
Rated 5 out of 5 by from Easy! The only difficult part was opening the box. :) Perfect for our attic stairs, easy set up,no more cold air!
Date published: 2016-12-27
Rated 4 out of 5 by from I was able to install this while standing on the attic stairs - left it curled up (as in box) to ... I was able to install this while standing on the attic stairs - left it curled up (as in box) to easily fit through attic door, then played with it to get it to unfurl and pop into shape. Very easy installation. Only improvement would be if the insulation was covered at the edges (why I deducted a star) but not a big deal as don't need to touch there. I had a contractor over recently who looked in the attic and he said it's definitely working.
Date published: 2016-11-09
Rated 5 out of 5 by from It came out of the box ready to use. Open it up inside the attic and place it over the opening. ... It came out of the box ready to use. Open it up inside the attic and place it over the opening. I could immediately feel the difference just standing on the steps before I even got all of the way out of the attic! We've only had it a few weeks, so it's hard to tell what kind of impact it will have on our electric bill just yet. I have noticed the temperature change in the hallway since I put it up, so I know it's working.
Date published: 2017-04-19
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