
Matthews
Matthews 24" x 36" Hot Flag Thermal Resistant Fabric
Cut hard shadows and kill unwanted spill inches from your HMI without scorching a flag — the Matthews Hot Flag handles the heat so you don't have to.
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Overview
Specifications
Size
24" x 36"
Material
Patented thermal-resistant fabric
Heat Resistance
1,800°F (982°C) continuous
Brand
Matthews
ASIN
B005JVI534
Pros & Cons
👍 Pros
- Withstands sustained proximity to HMI and tungsten fixtures that would destroy a standard flag
- Lightweight construction makes repositioning during a shoot fast and fatigue-free
- Maintains shape and flat surface under heat, so cut edges stay precise across a long take
- 24" x 36" size covers a useful range of single-source flagging tasks without over-rigging
- Rapid heat dissipation means shorter cool-down between adjustments
👎 Cons
- Does not include a frame, pins, or hardware — you must supply your own grip equipment
- Thermal fabric can show scorch discoloration over time at extreme proximity, even if structurally intact
- 24" x 36" is too small for wide fill sources or large soft boxes without adding additional flags
- Not useful as a diffusion or bounce tool — strictly a light-cutting flag
Frequently Asked Questions
How close can I position this flag to a tungsten or HMI fixture without damaging it?
Very close. The thermal-resistant fabric is rated to withstand continuous heat of 1,800°F (982°C), so you can flag light aggressively near high-output fixtures without worrying about the material warping, charring, or off-gassing.
Does the heat resistance affect how the fabric cuts light compared to a standard flag?
No. The thermal fabric holds its shape and opacity under heat, so your cut stays clean. Standard flags can warp or sag near hot fixtures, which softens your edge — this one doesn't.
Is the 24" x 36" size appropriate for cutting a key light on a single subject?
Yes, it's a versatile mid-size flag. It's large enough to kill a full key spill from a Fresnel or HMI on a tight set, and compact enough to mount on a junior or baby stand arm without over-rigging.
How does this flag mount to a stand or arm?
It uses standard flag hardware, compatible with typical grip clamps and swivel pins. It does not include a mounting frame or hardware — you'll use your existing grip equipment.
Can I use this flag outdoors with HMI fixtures on location?
Yes. The lightweight construction and thermal resistance make it well suited for location work near high-output daylight fixtures where fast repositioning and heat tolerance both matter.