Here are some tips to ensure a great looking product when
- Folded signatures should be perfed and uniform in
size unless otherwise stated in quote.
- For maximum signature strength, final fold
perfs should allow air to blow out and yet not tear apart on gathering line. Test this by pulling on the outside
pages of sig. If the outside pages pull off, the perfs are either to close or to
large and will not collate automatically.
- Smaller sigs, such as 2 page signatures, should be avoided. Smaller
page count signatures (2 pagers if a must, 4 or 6 pagers) should be placed in
the middle of the book, never the first or
last signatures. Remember 6 page sigs are wrap folds, not accordion.
- Grain direction on text should be
grain long (running head to foot).
- Smaller page count sigs tend to "stick" to larger sigs with static
electricity. This causes a problem when jogging the sigs in the binder.
Either eliminate small page count sigs or prepare for extra spoilage and
increased inspection times.
- All text sheets should be free of ink or coatings up to 3/16" from spine
- Have sig markers
printed on spine fold.
- Sig size should be book size plus:
1/8" Grind off
1/8" Head trim
1/8" Foot trim
1/8" Face trim
Use a coated one-side cover
if a coated cover is requested. The interaction between the glue and a coating is
unpredictable. Uncoated covers provide the strongest possible adhesion.
Additionally, do not print, laminate, varnish, UV
or Aqueous coat in the spine and hinge score
area. The hinge score area extends ¼" on each side of the spine area.
The interaction between the glue and a coating is unpredictable. Call
one of our reps if you have a coating question.
Please call if you are digitally copying your
cover. Some digital copiers apply fuser oil to both sides of the cover
stock even when only printing one side. Fuser oil will cause glue adhesion problems.
For thin books, a lightweight cover of 8 point or less is recommended.
This gives the cover maximum flexibility.
We can hinge score books over 1/8" thick. All books below 1/8" thick
will not have a hinge score.
For best perfect binging results covers and text should be printed
grain-long (this means grain
runs parallel to spine and hinge scores). This gives the book maximum page
pull strength and also helps prevent cover from ripping when three side trimmed.
Grain-short text reduces the books page pull strength. Grain-short covers
crack more easily.
- Things to remember when laying out cover: The text size will have
and additional 1/8" head and foot trim, plus and
additional 1/8" glue trap head and foot.
To avoid up-charges, all perfect bind covers must have glue traps.
- Covers with heavy ink coverage, especially blue, red and dark green,
are prone to scuffing. Use appropriate lay flat laminate, varnish or coatings
on the outside cover to lessen chances of damage during
production and shipping.
OTHER HELPFUL INFORMATION:
- Shrink-wrap the finished books. This will provide the best protection while
shipping (transit scuffing) and gives your product a fresh professional finished look.
- Use an oversized slip sheet to get the best pricing on copied book block
perfect binding. Click here for slip sheet
information. Don't forget to mention this with your quotation.
Click here to see our perfect binders specs.