How it works
The right holes, in the right place, for the right food.
Each pattern controls how much steam escapes and how much air or smoke gets in. Holes are spaced at least six diameters apart so each one vents independently.
TYPE A
Steam
Gentle, even steaming with just enough release to prevent sogginess.
- Best for
- Fish, shellfish, thin vegetables, parcels
- Placement
- A 40 mm band along the fold line
- Hole size
- 0.4 mm
- Spacing
- 15 mm pitch
TYPE B
Roast-Vent
Lets moisture escape so edges brown instead of stewing.
- Best for
- Root vegetables, potatoes, chicken pieces
- Placement
- Evenly across the full sheet
- Hole size
- 0.9 mm
- Spacing
- 9 mm staggered
TYPE C
Smoke
Opens the wrap to smoke flavor while holding food together.
- Best for
- Grilled and smoked meat, fish, vegetables
- Placement
- Top and sides, offset rows
- Hole size
- 1.75 mm
- Spacing
- 7 mm offset rows
TYPE D
Bark-Saver
Pushes through the stall without softening the bark.
- Best for
- Brisket, pork shoulder, ribs
- Placement
- Evenly over the whole wrap
- Hole size
- 1.0 mm
- Spacing
- 8 mm staggered
TYPE E
Zoned Roast
Shields the breast while the edges crisp — no lifting the foil.
- Best for
- Turkey, whole chicken, large roasts
- Placement
- Solid center, perforated edges
- Hole size
- 1.25 mm
- Spacing
- 16 mm → 8 mm gradient
TYPE F
Grill Liner
Drains fat away while keeping small foods on the grate.
- Best for
- Burgers, sausages, bacon
- Placement
- Across the full flat sheet
- Hole size
- 2.75 mm
- Spacing
- 11.5 mm grid
TYPE G
Concentric Ring
Keeps the center of a round item covered while steam escapes all the way around it.
- Best for
- Whole chicken, brie wheel, round roasts
- Placement
- Solid 120 mm center, five vented rings around it
- Hole size
- 1.0 mm
- Spacing
- 8 mm along rings, rings 15 mm apart
TYPE H
Dual Band
Vents along both sides of long items without opening the strip directly beneath them.
- Best for
- Whole fish, ribs, corn on the cob
- Placement
- Two 40 mm lengthwise bands, solid between
- Hole size
- 1.0 mm
- Spacing
- 8 mm staggered
TYPE I
Asymmetric
Puts more venting where the food is thickest and less where it is thin.
- Best for
- Tapered fish, uneven or one-sided loads
- Placement
- Dense half and light half, split at the center
- Hole size
- 1.0 mm
- Spacing
- 7 mm / 14 mm
TYPE J
Radial
Spreads venting evenly outward from the middle of flat, round foods.
- Best for
- Pizza, flatbreads, round vegetable bakes
- Placement
- 16 spokes from a solid 80 mm hub
- Hole size
- 1.0 mm
- Spacing
- 8 mm along each spoke
TYPE K
Moisture Channel
Gives rendered fat and meltwater a set path out instead of pooling under the food.
- Best for
- Pork belly, fatty meats, frozen vegetables
- Placement
- Diagonal channels 50 mm apart, leading to the edges
- Hole size
- 1.5 mm
- Spacing
- 9 mm along each channel