How-To Bow Backings

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Last updated : January 7, 2023
Alexander Knobloch

Hi, I'm Alex, the owner of BowAddicted. I've been shooting recurve bow since 2019 and recently got into string walking. I'm passionate about archery, the outdoors, and my kids. This journey has had its share of ups and downs, but the moments spent outside with friends and family are truly worth it. Feel free to get in touch!

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Special Thanks to Sam Harper for allowing us to republish his tutorials and build along instructions. His expertise and knowledge in the bow-making field have greatly benefited many readers, and we are grateful for his generous permission.

You can back a bow with almost anything, but some things are better than others. The primary purpose of backing a bow is to create a back that effectively has one growth ring so that it isn’t likely to lift a splinter.

The back of the bow is under tension, and the smallest splinter can cause the bow to fail. Anything that prevents a splinter from lifting will work as a backing.

Backing a bow allows you to use wood where the rings are violated, the grain isn’t perfectly straight, the wood is weak in tension, or just to be sure.

There are three different kinds of backings–those that prevent splinters from lifting, but nothing more, those that actually do work, and sinew.


I’ve never actually used sinew myself, but it doesn’t get more traditional than sinew. I put it in its own category, because it’s unique in some ways.

When you apply sinew to a bow, it adds a little weight, because as it dries, it shrinks, pulling the bow into more of a reflex.

From what I have read, sinew is a real pain to apply. You have to soak it in hide glue, squeeze it out, and apply it in a brick pattern on the back of the bow. It needs some kind of water-proof finish, or else it isn’t water proof.

Once it’s applied and dried, it adds quite a bit of durability to a bow. You can make a bow shorter, because the limbs will be able to withstand more bend.

In the book, American Indian Archery, Reginald Laubin says that when you back an osage bow with sinew, it isn’t even necessary to remove the sapwood first. They perform just as well with the sapwood on.

You could buy sinew from Three Rivers Archery, ebay, or other traditional archery places, but I think there are probably cheaper ways to get it.

Ask your hunting buddies to let you have the sinew from the deer they shoot. It’ll only be about six inches, so you’ll need a few of them to back one bow. You might also look in the phone book under “taxidermy.”

Taxidermists just throw that stuff away. Ask them if they have any or how you might get some.

Backings to Prevent Splinters from Rising

These are great to use on board bows, because the grain in board bows is almost never perfectly straight. You’d be amazed at what you can use to back a bow. Almost anything will work, but some things are better than others.

Silk and linen

You can get silk and linen for dirt cheap at garage sales or the Goodwill. Some people say you should check out the dresses at Goodwill in search of silk. I have had much more luck looking at women’s pants.

I have found all kinds of pants that are 100% silk or 100% linen, and they usually something like $3 each. Sometimes they can be as much as $10. You can back several bows from one pair of pants.

I apply silk and linen with Titebond II. I just squeeze a stream of glue all down the back of the bow and spread it with my finger.

Then I use a squeeze clamp at the tip of the bow to hold one end of the cloth, and smooth it down toward the handle with my finger. Then I do the same from the other end so that it overlaps in the handle area.

Let it dry at least over night. Once it’s dry, you can use a file, belt sander, or razor blade to trim off the excess.

Drywall Tape (sheetrock tape–same thing)

This is another cheap way to back a bow, but it’s kind of ugly in my opinion. You just squeeze a stream of glue down the back of the bow, spread it with your finger, and put a layer of drywall tape on.

Smooth it down with your fingers from the handle out to the tips. There should be enough glue so the mesh is saturated. I wait about 10 or 20 minutes and put another layer. Then I put a third layer. Anything over that is probably overkill.

There’s a couple of things you should know about this method. First, it’s fiberglass, and you can get fiberglass splinters in your fingers, though that hasn’t happened to me much. It’s better to wear latex gloves while you apply this backing.

Also, this method uses a lot of glue, and glue adds weight to the bow, which slows it down a little. One other thing–it’s a little more of a pain to trim the edges once it has dried than cloth backings. You can do it with a razor blade, a file, or a belt sander. It’s actually pretty easy with a belt sander.

Just be sure to wear gloves when you do it, because fiberglass can cause itchies. Sand the edges when you’re done.

Since it’s so ugly, I usually spray paint it. That helps a lot.

Fiberglass Cloth and Epoxy

Fiberglass cloth is not the same thing as drywall tape. It’s more like a cloth, and it’s not full of holes. You can get it at auto parts stores, Walmart, and boat stores.

If you apply it with Smooth On epoxy or BowGrip, then sand it after it cures, it will become transparent when you put a finish on it. That’s what I like about it. It makes a really durable backing, but you can still see the wood through it.

I used it on an Eastern Red Cedar English Longbow because ERC is brittle, but I didn’t want to cover it up with a rawhide or linen backing. I also used it to patch a crack on the back of an Osage self-bow, and you can barely even tell there’s a patch.


That’s right, paper! You’d be amazed at how strong paper is. Brown paper bags seem to be the most popular.

Apply it just like you would one of the cloth backings above. Use Titebond II. I’ll bet you could even use one of those rolls of paper like they use in cash registers to print receipts, though I’d probably use two layers of it.


Rawhide shrinks as it dries. Because of that, I don’t understand why it doesn’t work just like sinew. Maybe it doesn’t shrink quite as much. Anyway, rawhide needs to be good and thin for it to work. It should be applied with hide glue.


Demin isn’t that popular, because it stretches too much. Silk and lenin don’t stretch much at all. It still works, though. It’s also heavier than silk. The advantage is that it’s easier to find and it’s cheaper than silk and lenin.

You can find it at just about any garage sale, and probably get a pair of pants for a dollar that will back several bows. Better yet, you probably have an old pair of pants yourself. If not, surely you have a friend with an old pair of pants they don’t wear anymore.

Backings that do work

These are backings made of wood or bamboo. The advantage of using them is that when you apply them, you can glue reflex or a reflex/deflex shape, and it will hold. You can use Titebond II, but Urac or Smooth-on is better.

Titebond II shrinks when it dries, and unless you have a perfectly flat surface, you’ll get gaps in the glue line. Urac and Smooth-on are better at filling gaps.


Hickory makes a good backing because (1) it’s very strong in tension, and (2) it grows very straight, so it’s easy to get a piece with straight grain, and (3) hickory is hard to break even when the grain isn’t perfectly straight.

Since it’s so strong in tension, it needs to be thinned below 1/8″. Some people go as low as 1/16″. Murray Gaskins sells hickory backings for about $12 a piece. It’s a little pricey, but the advantage is that it’s already cut to size, and the grain is straight.

Murray knows what he’s doing. They come in 1/8″, so they just need to be thinned a little. I do that with a belt sander. You could also buy a hickory board at a lumber yard if you can find it, and cut your own. Just be sure you pick a board with very straight grain.

The advantage of hickory over bamboo is that there are no nodes, and you don’t have to go through the difficulty of flattening it like you do bamboo. With no nodes, it’s easier to glue, and it’s easier to work with.


Murray Gaskins also sells bamboo backings, but they aren’t flattened all the way. It’s much cheaper to buy it from Master Gardens or Franks. Bamboo is also amazingly strong in tension, so it needs to be good and thin so it doesn’t overpower the belly wood.

Bamboo is better-looking than hickory, but a little more difficult to prepare for backing. The advantage of it is that the grain is always guaranteed to be straight.

The difficulty with gluing it is that it’s rounded a little on the back, which makes it hard to put the clamps on. One way to avoid that problem is to use the inner-tube method of gluing up a bow. I’ll have to post another article about techniques for flattening bamboo and getting it ready for gluing.

People are trying new things all the time, so it never hurts to experiment.

Disclaimer: Sam Harper owns the rights to this article’s images and written content.

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