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3M Scotch Indoor Mounting Squares, 1-Inch, 48-Square

by 3M
4.3 out of 5 stars 74 customer reviews
| 14 answered questions

List Price: $5.79
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  • Double-coated 1-inch foam squares
  • Adhere and conform to a variety of surfaces
  • Ideal for mounting pictures and decorations on most types of walls
  • Permanently bonds to most surfaces
  • Squares hold up to 2 pounds
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Size: 1-PACK

Product Description

Size: 1-PACK

Product Description

3M 311DC Heavy Duty 1-Inch Mounting Squares



•Double-coated 1-inch foam squares
•Adhere and conform to a variety of surfaces
•Ideal for mounting pictures and decorations on most types of walls
•Permanently bonds to most surfaces
•Squares hold up to 2 pounds
Need more information on this product? Click here to ask.

Dimensions: 7.9″ x 6.8″ x 6.2″.

From the Manufacturer

Double-coated foam squares adhere and conform to a variety of surfaces.

Product Information

Size:1-PACK

Technical Details

Brand Name 3M
Item Weight 1.6 ounces
Product Dimensions 7.9 x 6.8 x 6.2 inches
Item model number 311DC
Number of Items 1
Size 1-PACK
Manufacturer Part Number 311DC

Additional Information

ASIN B000KKPHZ8
Customer Reviews
4.3 out of 5 stars 74 customer reviews

4.3 out of 5 stars
Best Sellers Rank #1,447 in Office Products (See top 100)
#12 in Office Products > Office Supplies > Tape, Adhesives & Fasteners > Velcro & Mounting Products > Mounting Tape
#46 in Office Products > Educational Supplies > Adhesives
Shipping Weight 1.6 ounces (View shipping rates and policies)
Date First Available January 16, 2007

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This item: 3M Scotch Indoor Mounting Squares, 1-Inch, 48-Square
Customer Rating 4 out of 5 stars (74) 4 out of 5 stars (28) 4 out of 5 stars (102) 4 out of 5 stars (603)
Price $4.19 $2.59 $8.29 $4.80
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com SJS Commercial Pharmapacks
Color Information not provided Clear Information not provided White
Dimensions 6.2 inches x 7.9 inches 5.38 inches x 0.55 inches 6.8 inches x 1.1 inches 2.5 inches x 2.5 inches
Item Package Weight 0.1 pounds 0.05 pounds 0.05 pounds 0.02 pounds
Size 1-PACK 1-PACK 1 x 125 Pack of 1
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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 1-PACK Verified Purchase
I ordered this pack of 3M Scotch squares a few weeks ago. I needed these mounting squares for my door sensors for my security system. My door sensor began to fall off from the old adhesive. These mounting squares came in the mail and did the trick.

These are 1-inch squares, and the adhesive is very strong. You can easily cut to size, which is exactly what I did. I cut it to size, put one on my security sensor, and the other to the wall. Held it for about 60 seconds, and the thing hasn't moved a bit. I will definitely use these for other projects around the house. What a great inexpensive product. And, you get a ton of squares in this pack, more than enough.
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Size: 1-PACK
I usually cut these into 1/4 inch square pieces. That seems to be all I need to get the job done. I use them instead of a suction cup to attach stained glass decorators and other decorations to my windows. None have fallen off yet. But the suction cup falls off all the time. You can scrape them off the glass with a razor. But you can not get them off of plastic or paint. The adhesive bond is pretty much permanent.
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Size: 1-PACK Verified Purchase
I found these to be a waste of my money.
I used them (well, attempted to) to mount a small (8x10), light weight (dunno- less than half a pound?) white board in my office, on the wall. Yes, I followed the directions. I was not pleased when said white board fell off the wall and on my head in the middle of a meeting. Undeterred, I used MORE squares to re-mount the white board. Same result. Head, meeting, disappointment.
Went to the hardware store on my way home and scored some Duck Brand mounting squares. Worked much, much better. Also, unrelated bonus- their mascot is cuter. http://www.amazon.com/Duck-Brand-297472-Mounting-60-Count/dp/B000BQL2HS/ref=sr_1_14?ie=UTF8&qid=1328642362&sr=8-14
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Size: 1-PACK Verified Purchase
I bought these mounting squares so that I could stick mirrors on a wall. The packaging says it can hold up to 2 lbs, but I don't know if that's 2 lbs per square, or 2 lbs when you use four squares. I'm going to presume they mean 2 lbs total with four squares.

Each 1-inch square is about 1/8 inch thick, with double-sided stickiness. The sticking works best when each side has a flat surface to stick on. Do no try to stick things on an uneven surface as that is not how you use it. Flat surfaces are required. These squares are a permanent-ish solution, so understand that once you put this on the wall, it will be difficult to take off easily, so figure out where they will stick first. Once on, hold it in place for a minute or so to set it and you're done.

These are very handy to have around the house and can work with a variety of objects to hang on your wall. Recommended.
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Size: 1-PACK Verified Purchase
This is a must in every home. I cannot go without this tape especially where I make professional gift baskets for people. It holds everything in place and this tape NEVER FAILS ME. I have to always have this in my home, whether it be in squares or on a roll.
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Size: 1-PACK Verified Purchase
I used several Scotch mounting squares (I can't remember how many) to attach a full-length mirror to a metal door. That was two years ago and the mirror is still firmly attached. The mirror remained in place during several very hot days in the summer of 2014 when my air conditioning was on the fritz.

I've read other customer reviews and I realize that not everyone has had the same experience with this product. To assure success with these squares, I think it is important to: (1) make sure both surfaces are clean and free of dust or dirt; (2) make sure you're mounting something flat to an equally flat surface; and (3) use MORE squares than you think are necessary; it's better to use too many than too few.
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Size: 1-PACK Verified Purchase
Used a half piece of one sheet (2 small pieces - each sheet is divided into 4 stickers, and each box has 12 sheets, total of 48 pieces) to hang a whiteboard and it worked great. It offers a quick solution.
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Size: 1-PACK Verified Purchase
I have purchased about 10 sets of these for a variety of uses. They work great for holding posters to the wall, rugs to the floor, and hold up mirrors very well. I use a whole package around the bottom rug edges to get to stay in place. Make sure you use enough of them to get the job done. One on each corner of posters work great! The only thing I've noticed that doesn't really work (and I feel should) is that I tried putting a 5 outlet power strip to the wall along my baseboard to get it up off the floor. I used 6 mounting squares, the bottom was smooth and flush, and I made sure none of my cords were pulling or handing on the strip (I secured cords above strip with my cord wall stapler) The outlet strip stays on the wall for about a week - after that, at least one side falls. I've tried 4 separate times, each with new mounting squares, and the same thing happens.
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