When someone requests black duvetyne, one important detail is often missing: the weight.
A 9 oz, 12 oz and 16 oz fabric may all have a similar brushed, non-reflective surface, but they will not perform the same way once they are installed. The correct choice depends on what is being concealed, how much light is behind the fabric and whether the material will be reused.
For temporary masking, the lightest option may be perfectly adequate. For a brightly lit hallway, stage opening or film studio, choosing a fabric that is too light can leave visible shadows and light bleed.
This guide explains the practical difference between the three most common weights.
The names are frequently used interchangeably within the theatre, film and event industries.
Generally, duvetyne describes the broader family of economical brushed masking fabrics, while commando cloth usually refers to the heavier version. A 16 oz fabric is therefore commonly described as either heavy duvetyne or commando cloth.
The name is less important than the actual specification. When comparing options, confirm:
Two suppliers may use slightly different names for fabrics designed to perform a similar job.
| Weight | Best suited for | Light control | Handling |
|---|---|---|---|
| 9 oz duvetyne | Temporary masking, stage skirting and covering equipment | Basic | Lightest and easiest to transport |
| 12 oz duvetyne | General stage masking, AV production and pipe and drape | Moderate | A balance between weight and performance |
| 16 oz commando cloth | Strong light control, reusable drapery and demanding production environments | Highest of the three | Heavier and more durable |
The heavier option is not automatically necessary for every project. The goal is to select enough opacity for the application without adding unnecessary weight and cost.
Nine-ounce duvetyne is the practical choice when the fabric is primarily being used to make equipment, tables or unfinished areas less visible.
Common applications include:
Its lighter weight makes it easier to cut, fold, carry and install. It can be useful when production crews need large quantities of economical black fabric for temporary work.
The limitation is opacity. If a strong light source, window or illuminated room is directly behind the fabric, some light or shadow may remain visible. Nine-ounce duvetyne should therefore be considered a masking fabric rather than a guaranteed blackout barrier.
Twelve-ounce duvetyne sits between lightweight masking and heavyweight commando cloth. It is often the most versatile option when a customer needs better coverage but does not require the heaviest material.
Typical uses include:
It has more body than 9 oz fabric and normally provides better control of shadows and light bleed. It is still manageable for temporary installations and touring productions where the fabric will be packed and moved regularly.
Choose 12 oz when the material needs to look more substantial than basic event cloth but complete blackout is not the main requirement.
Sixteen-ounce commando cloth is the strongest choice when opacity and durability are more important than keeping the fabric as light as possible.
It is commonly selected for:
The denser construction absorbs more light and makes objects, movement and shadows behind the fabric less visible. It also hangs with more body than lighter duvetyne.
For production companies building reusable inventory, the additional durability can justify the higher initial cost. Sixteen-ounce commando cloth is also an economical alternative when the functional appearance of velour is not required.
It depends on the amount and direction of the light.
A lightweight black fabric may appear opaque when viewed against a wall, but behave differently when installed in front of daylight or a brightly illuminated hallway. Direct backlighting exposes the difference between the three weights.
For a temporary window covering in a controlled studio, 9 oz may work as one layer of a larger light-control system. It should not be assumed to provide complete blackout by itself.
Where blocking light is critical, 16 oz commando cloth—or a purpose-made blackout fabric—is the safer recommendation.
For many standard AV and event applications, yes.
Twelve-ounce duvetyne offers a useful balance of opacity, portability and price. It can be fabricated with rod pockets, hems, grommets or ties for use on pipe-and-drape systems.
However, the decision should be based on what is behind the drape. If it is concealing a plain wall or backstage storage in a dim room, 12 oz may be sufficient. If it is blocking daylight, illuminated glass or active personnel behind the drape, 16 oz will provide stronger coverage.
The height of the panel also matters. Large finished curtains create more total weight, even when the fabric itself is relatively light. The supporting hardware must be appropriate for the completed drapery.
Sixteen-ounce commando cloth provides substantially greater opacity than lighter duvetyne, but the entire installation determines the final result.
Light can still enter through:
For critical blackout work, panels should overlap and extend beyond the area being covered. The structure, seams and installation method are just as important as the fabric weight.
Heavier fabric can reduce some reflected high-frequency sound and may help control room reflections, but duvetyne and commando cloth should not be presented as soundproofing materials.
They will not stop substantial sound transmission through a wall, doorway or open space. Projects requiring measurable acoustic performance should use fabrics with appropriate acoustic test data and should be considered as part of a complete acoustic assembly.
Choose commando cloth primarily for masking, opacity and durability—not as a replacement for engineered soundproofing.
The answer depends on how close the fabric will be to the light source and whether it will appear in the shot.
Use 9 oz duvetyne for temporary flags, equipment coverage and economical masking where minor light transmission is acceptable.
Use 12 oz duvetyne for general studio masking and portable backdrops where crews need a balance of coverage and handling.
Use 16 oz commando cloth when controlling stronger light, covering windows, creating black backgrounds or repeatedly rigging the same material.
Regardless of weight, the matte brushed surface is valuable because it minimizes reflections from production lighting.
IFR Flame-retardant fabric is commonly required in theatres, schools, hotels, trade shows, studios and other public or commercial environments. Requirements vary by venue and jurisdiction.
Do not rely only on a product name or assume that every black masking fabric has the same certification. Ask for documentation covering the exact fabric being purchased and confirm the venue’s requirements before installation.
Cleaning, treatment and alterations may also affect flame-retardant performance. Follow the care instructions associated with the product and retain its certificate for the venue or fire official.
Before requesting pricing, provide:
These details help prevent both under-specifying and overbuying.
Choose 9 oz duvetyne when affordability, portability and basic masking are the priorities.
Choose 12 oz duvetyne when you need a dependable general-purpose fabric for stages, AV work and pipe-and-drape systems.
Choose 16 oz commando cloth when stronger opacity, durability and repeated professional use justify the additional weight.
Equus Fabrics supplies black fire-retardant duvetyne and commando cloth in 9 oz, 12 oz and 16 oz options. Fabric is available by the yard or full roll, with custom fabrication available for finished panels and drapery.
Contact Equus Fabrics with your dimensions, application and delivery location, and we can recommend the most appropriate weight for your project.
