GBC Laminating Films

Choose thickness based on how the finished piece needs to bend, last, and feel. Thinner films such as 1.2, 1.5, or 1.7 mil keep pieces more flexible and are useful when the laminated item must roll, fold slightly, or remain lightweight. A 3 mil film is a common middle choice for everyday signs, notices, reference sheets, and handled sheets. A 5 mil film adds more stiffness for menus, reference sheets, and items handled often. A 10 mil film creates a much firmer piece, but it requires a laminator rated for that thickness. Do not choose the thickest film only for durability. Check heat settings, roller capacity, and whether your job needs flexibility after lamination.

Use thermal GBC film when your laminator uses heat to activate the adhesive and your printed materials can safely handle heat. Thermal roll film is common for paper documents, posters, notices, teaching aids, menus, and presentation materials. Use pressure-sensitive laminating film when the item is heat-sensitive or when cold lamination is required. That can matter for certain prints, inks, photos, or delicate materials. GBC options also include Lo-Melt choices, which can help when lower operating temperatures are useful. The safest approach is to match film type to the laminator first, then match thickness and finish. Run a short test piece when switching film type or temperature range.

Gloss is usually better when you want color and contrast to look bright. It works well for posters, display sheets, menus, promotional prints, and signs where a polished finish is preferred. Matte is better when glare control matters, such as reading under bright lights, handling training materials, or viewing items from different angles. Matte can also make some pieces easier to write on with the right marker, depending on the film and use. GBC film options include gloss, matte, clear, and kraft paper-backed choices, so the finish should match the final environment. For wall signs or counter signs under overhead lights, matte may be easier to read. For bold graphics, gloss often gives a cleaner visual effect.

Only switch rolls when all machine-critical specs match. Width is important, but it is not enough on its own. Two rolls can share the same width while using different core sizes, thicknesses, roll lengths, finishes, adhesives, or loading styles. A 1" core roll will not fit a machine that needs a different shaft or cartridge system. EZLoad laminating film is different from standard roll film because the loading design must match the machine. A thicker roll may also require a heat setting, speed, or machine rating your laminator does not support. If you are replacing film, compare the old roll label with the new roll for core, mil, width, finish, and loading style.