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Rectangular 20 by 24 inch light diffusion sheet, matte finish

Rosco

Roscolux Tough Frost 20x24" Light Diffusion Sheet

SKU CH-SZK3-HJJJ6

A 20x24 inch diffusion sheet that softens light evenly, resists heat from continuous sources, and can be cut to fit any lighting setup

  • Smooth, even diffusion softens shadows for flattering portraits
  • 20x24 inch sheet fits small product and larger portrait setups
  • Heat-resistant polycarbonate blend withstands continuous lighting without warping
  • Cut-to-size design lets any skill level apply diffusion instantly
  • Tri-extrusion construction seals colour between clear layers to reduce dye migration

What it is

The Roscolux Tough Frost is a 20x24 inch sheet of light-diffusing material designed for photographers and videographers who need to soften harsh shadows and create a flattering glow. It suits studio work, product photography and portrait sessions where even illumination is essential. The sheet can be cut to fit smaller modifiers or used whole for larger light sources.

Heat resistance and handling

The material combines co-extruded polycarbonate and deep-dyed polyester in a tri-extrusion process that seals the coloured layer between clear films, reducing dye migration under continuous lighting. It withstands the heat of theatrical and studio fixtures without degrading, so the diffusion quality remains consistent during long shoots. No surface coating means the colour will not rub off or fade with normal handling.

Capacity and limits

At 20 by 24 inches the sheet covers most standard softboxes, frames and barn doors, and it can be trimmed for smaller fixtures such as on-camera panels. Over 65 percent of the structure is polycarbonate, giving it the rigidity to hold shape in larger frames while staying flexible enough for curved applications. It will not replace a dedicated large-format diffusion roll for cyclorama or wall-sized lighting, and it does not alter colour temperature beyond its designed frost effect.

Highlights

  • Smooth, even diffusion softens shadows for flattering portraits
  • 20x24 inch sheet fits small product and larger portrait setups
  • Heat-resistant polycarbonate blend withstands continuous lighting without warping
  • Cut-to-size design lets any skill level apply diffusion instantly
  • Tri-extrusion construction seals colour between clear layers to reduce dye migration

Specifications

No published specifications for this item yet.

Questions about this item

What size is the Roscolux Tough Frost diffusion sheet?

The sheet measures 20 by 24 inches, a versatile dimension that covers most small-to-medium light modifiers without excessive waste.

How does the tri-extrusion construction affect performance on set?

The coloured layer is sealed between two clear films, which stops dye migration and lets the material survive continuous heat from theatrical fixtures.

What does the 65% polycarbonate content mean for durability?

Over 65% co-extruded polycarbonate gives the sheet high heat resistance and abrasion resistance, so it lasts longer than surface-coated polyester gels.

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