How to Fix a Torn Book Page Without Scotch Tape
A page tore in a book you want to keep, and the Scotch tape is right there. But what do library menders use instead, and when is plain tape fine?
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A page tears. The dog, a toddler, or it just went when you turned it. The book is one you'd be sorry to lose, and there's a roll of Scotch tape in the drawer.
If the book matters to you, leave the Scotch tape where it is. The people who mend books at libraries use a different tape for this, one made for paper and not much else. They ask one question before they reach for it, though.
Is the book worth more than the tape?
Not every tear is worth a proper repair. Someone in r/bookrepair asked what to do about a torn corner on an old paperback, after their mum reached for the Scotch tape. The top answer sided with mum.
She's not wrong, it's just a paperback with a tear.
u/TheScarletCravat, in r/bookrepair
Another reply did the sums. It was a cheap used copy, and the supplies to fix it properly "would cost more than a replacement". A third pointed out that a nearly new second-hand copy can cost less than a roll of Scotch tape.
For a cheap paperback, plain tape is fine, and library staff in that thread say so themselves. One of them works in a library and would use Scotch Magic tape on a tear like that, because it "becomes see through once pressed down" and forgives you if you need to lift it.
Another says Magic tape is what their library reaches for "if not book tape".
Ordinary tape's problem shows up later. Its adhesive "will cause more damage eventually". The commenter who mentioned the second-hand copy warns it will one day "get brittle and fall off leaving a mess".
A mender in another r/bookrepair thread asks how long you "want it to last", and that's the whole decision. A paperback you'll read twice and pass on, tape it. A book you'd like still on the shelf when your kids are grown wants something better.
What do book menders use instead?
The one library menders name is Filmoplast P, a thin paper tape made for mending tears.
In r/bookbinding, someone with a huge tear on the last page of a collector's edition rang their local library for advice. The library told them to bring it in, and the fix ended up being to "use Filmoplast tape". A mender in the same thread would have skipped the phone call, because it's specifically "made for page repair".
Back on the torn-paperback thread, another answer named it too.
It's virtually invisible when properly applied and won't cause issues later like Scotch tape.
u/flyingbookman, in r/bookrepair
The suppliers who sell it to libraries describe it as tissue-thin, with an acid-free adhesive made not to yellow. Someone who mends and rebinds books, in r/bookrepair, says it's "fairly chemically inactive", so it won't stain the page and won't get stickier with age.
How do you put it on?
Line the two edges of the tear up so they meet flat. Cut a strip a little longer than the tear and lay it down. Then rub it in with a bone folder, or the rounded back of a spoon.
The rubbing is the part the makers insist on. Neschen say to "use a bone folder to smooth the tear and press the tape evenly". Talas, a conservation supplier, says that once it's burnished "it becomes nearly invisible".
One torn page is the job. A library worker in r/bookrepair says it's "just for repairing tears in a single page". A spine that's letting go or a cover coming off is a different repair.
The book mender in the same thread agrees that it "is not meant to repair many pages".
The fiddly part comes before any of that, when you try to get the tape off its backing. The same mender says the first millimetre "can drive me up the wall like few other items on this planet", and that the little metal insert in the box mostly does its job.
In r/librarians, one reply starts the edge with "the tip of a scalpel". Another puts "very sticky packing tape on both sides" and pulls the two pieces apart, which a third person tried later and said "worked like a charm".
Assume it's staying put. The supplier's sheet calls it temporarily repositionable and says it comes off "with mineral spirits" once set. People who use it talk about a damp cloth on the back of it.
One unhappy owner says that if you tape it in the wrong place, "you're done". None of those is a thing you want to try on a book you care about, so line the edges up before the tape touches the page.
Is it really invisible?
No tape is, and the people who like this one say so. One owner in r/bookrepair was angry enough to call it garbage: the tape is "some kind of see-through beige" rather than clear, it always shows, and on a black cover or dust jacket, forget it.
The two people who replied in its defence didn't argue with any of that. It's "not ideal for dust jackets, but it's perfect for single pages", said the library worker. The mender: "nor is any tape invisible".
On ordinary matte book paper it comes close. The mender who started the r/librarians thread calls it "thin, matte, and practically invisible on most types of paper". On glossy paper it's another story: someone in r/Archivists found that on shiny stock "you can see a white layer". Look for the repair and you'll find it. Read the page and you probably won't.
Which one, and what else is there?
Filmoplast comes in three versions, and the letters matter here because they're different products. P is the thin, transparent one, for pages where the text has to stay readable through it. P90 is white and opaque, for heavier paper or a margin where covering the damage is fine. P90 Plus is a stronger version of that, for hinging. For a torn page of text, you want P.
One parent in the torn-paperback thread keeps a roll of Lineco document repair tape for when the kids tear a book, and uses a piece on each side of the tear. Fewer people name it, but it's the same idea: acid-free, made for paper.
On cost, two menders pull in opposite directions. One warns that Filmoplast "isn't cheap". The r/bookrepair answer quoted above says one roll "goes a very long way". Take both at face value.
A binder in r/bookbinding would skip the tape altogether and use "thin Japanese tissue and paste", wheat paste rather than PVA, for a repair that's barely visible and strong. That's the route to learn if you want to fix books. The tape is the route if you want this book fixed tonight.
Tape the paperback and don't feel bad about it. For the book you'd mind losing, get a roll of Filmoplast P and a bone folder, and put them in the drawer where the Scotch tape lives. The next time a page goes, line up the edges, rub the strip down, and put the book back on the shelf.