30th April 2025

Common terms we use and what they mean

As with any industry, there are lots of terms and phrases we use without a second thought. For those, who may be new to the industry or new to purchasing corrugated packaging here’s a run down of our top 20 most common, handily arranged in alphabetical order to make things that little bit easier.
However, should one of our team use a term that you are unfamiliar with, please don’t hesitate to ask us for clarification which we will be more than happy to give.
Board Grade – A grade given to corrugated board based on the weight of the weight and type of outer and inner liner and the type of flute sandwiched within.
Chop – The length of board or sheet
Clay Coat – An additional coating which helps improve the surface for printing. It can be successfully applied to unbleached or natural Kraft paperboard.
Crash lock base – A box style which enables the base of the box to be locked together without the use of tape. If offers a robust solution and is easily assembled.
Deckle – The width of the board or sheet
Die Cutting – A manufacturing procedure in which, a cutting forme is used to cut the design from the corrugated sheet.
Dividers – A corrugated design which creates separate sections within a pack. They can also be used alongside fittings to protect product and provide cushioning.
Double Wall – A sheet of board consisting of two outer liners, one inner liner and two flutings sandwiched between the liners. This type of board is often used for more robust packaging solutions due to its added strength and rigidity.
Drop Test – A test to ensure the manufactured design protects the product as expected when dropped from height without incurring damage.
FEFCO codes – A set of standard designs used by the corrugated industry. It covers many typical box, fitting and divider designs.
Flexographic printing – This is out most common printing process and our equipment permits up to six colours making it ideally suited to more high quality print requirements.
FIA – Flexographic Industry Association and host of the FIA awards which we are proud to have won on several occasions in recent years.
Fluting – The wiggle in the middle! This is what gives all board grades their strength and rigidity and impact protection when correctly designed.
Forme – A unique template with metal blades to cut the board either through a rotary or flatbed process.
Liner – This is the outer and inner surfaces. Typically, one is usually of higher quality to give a better substrate for printing.
Pantone – The most common colour matching system used to ensure we replicate your brand colours and designs exactly right.
POS packaging – This is Point-of-sale packaging and encompasses a range of different solutions including Shelf Ready Packaging (SRP), Free Standing Display Units (FSDU) Retail Ready Packaging (RRP), Dump bins and more to help brands take their products into retail settings successfully.
Sheet Feeder – A manufacturing plant that operates corrugators to produce the raw material required by packaging companies. Board24 is the Logson Groups sheet feeding division.
Sheet Plant – The reference for a business who buy corrugated sheet to convert the materials into packaging. This is what we are.
Single Wall – A sheet of board consisting of two outer liners and one inner fluting.