Non-combustible rock-wool core
Mineral fiber made from natural basalt and recycled slag. Inorganic, fully recyclable, and it does not contribute fuel to a fire.
1 HR · 2 HR · 3 HR Fire Rated
2 Hour Fire Rated Insulated Metal Panels
Also 1 HR and 3 HR. Rock-wool IMP for industrial fire walls, partitions, and ceilings. Hourly ratings come from a documented assembly, not a panel photo. No minimums.
L-joint with concealed anchoring. Rock-wool core stays continuous through the joint.
1 HR fire rated
2 HR fire rated
3 HR fire rated
Fire-rated rock-wool panels for envelopes that have to hold fire
A non-combustible insulated metal panel for building envelopes. The core is mineral fiber, not foam. Specify it when the wall, partition, or ceiling has to be a fire barrier and still insulate.
1 HR, 2 HR, and 3 HR fire rated
Specify 1 HR, 2 HR, or 3 HR, including 2 hour fire rated insulated metal panels. Thickness is confirmed on the documented assembly, not guessed from a photo.
Thermal resistance that holds
Excellent insulation with R-value that stays stable over time. Continuous core, no thermal bridges at the joint.
Acoustic and humidity control
The mineral fiber core absorbs sound and the metal skins act as a humidity barrier. One panel, three jobs.
Pressure-balanced rain screen
Built-in rain-screen detailing for exterior envelopes. Vertical mounting is made for outdoor walls.
L-joint, concealed anchors
L-joint with a dedicated clip-and-fastener system that anchors to the structure inside the joint, not on the face.
Wind and tear resistance
Steel skins bonded to a dense mineral core take wind load and job-site handling without tearing at the joint.
Insulation and finish, one step
Factory-finished panel for interior partitions, interior ceilings, and outdoor walls. No extra insulation or finish trade.
Fire-rated rock-wool (mineral fiber) core panel
The core is rock fiber from natural basalt and recycled slag. Those inorganic materials make the panel non-combustible and fully recyclable. Specify 1 HR, 2 HR, or 3 HR, including 2 hour fire rated insulated metal panels. Thickness is confirmed on the documented assembly.
- Core
- Non-combustible rock wool (mineral fiber) from natural basalt and recycled slag
- Fire resistance
- 1 HR, 2 HR, and 3 HR on documented assemblies. Thickness is TBD until we match the hourly rating in your spec.
- Cover width
- Typically 42 1/2 in. Final module width can vary by joint design. Confirm on the data sheet.
- Max length
- Typically up to 52 ft 6 in. Confirm for the tested assembly and shipping.
- Joint
- L-joint with concealed structural anchoring
- Envelope
- Built-in pressure-balanced rain screen. Vertical mounting for outdoor walls
- Thermal
- R-4 per inch at 75 F mean (ASTM C518 on the data sheet). Continuous core, no thermal bridges at the joint
- Acoustic / moisture
- Sound control plus humidity barrier
- Use
- Interior partitions, interior ceilings, exterior walls. Indoor or outdoor
- Install
- Insulation and finish in one step. Compatible with standard IMP wall systems
- Compatible with standard IMP wall systems
- Increased acoustic insulation
- Thermal resistance stable over time
- Built-in pressure-balanced rain screen
- Concealed anchoring to the structure
- Elimination of thermal bridges
- Increased wind and tear resistance
- Insulation and finishing: no extra step
- L-joint
- Vertical mounting for outdoor walls
- Interior partitions
- Interior ceilings
Hourly ratings apply to tested assemblies, not a panel photo. Send the spec. We match a documented assembly.
Download Data Sheet (PDF)L-joint with concealed clip-and-bolt anchoring. The rock-wool core stays continuous through the joint so thermal bridges are eliminated.
Thickness to 1 HR, 2 HR, and 3 HR fire rating
Hourly ratings belong to a documented assembly. Xipre does not publish a UL design number or a fixed thickness for 1 HR, 2 HR, or 3 HR until engineering matches your spec. Do not guess thickness from a photo.
| Hourly rating | Thickness | As tested | How we quote it |
|---|---|---|---|
| 1 HR | TBD | 60 min | Documented assembly. Confirm with spec + data sheet. |
| 2 HR | TBD | 120 min | Documented assembly. Confirm with spec + data sheet. |
| 3 HR | TBD | 180 min | Documented assembly. Confirm with spec + data sheet. |
Commercial module sizes on the data sheet: typical cover width 42 1/2 in. Typical max length 52 ft 6 in. Final width can vary by joint design. Confirm both on the data sheet and for shipping.
Request tested-assembly details
Need UL assembly notes, the data sheet, or an engineer review? Hourly fire ratings belong to a tested assembly. Send the wall type, the hourly rating in the spec, and any UL or FM assembly callouts. We match a documented assembly. We do not guess a listing from a product photo.
Where fire wall panels are specified
Factories, warehouses, food plants, hospitals, schools, and residences. Interior or exterior, depending on the spec.
Interior fire walls in factories
Separate production, storage, and occupied areas without waiting on block. A mineral-fiber IMP wall goes up as a finished fire-rated partition.
Thermal and fire partitions
Split a plant floor where one side is hot, noisy, or a different occupancy. You get hourly fire resistance and insulation in the same plane.
High-risk area containment
Protect machinery, isolate process equipment, or create a fire-containment zone around a hazard without shutting the rest of the building down.
Hospitals, schools, residences
Mineral-fiber fire panels are specified for government and institutional buildings that need a rated wall plus acoustic and thermal control.
Warehouses and food plants
Fire-rated metal wall panels for warehouses and food processing that need both a code fire wall and clean, washable skins.
Interior ceilings and outdoor walls
The same panel mounts as an interior ceiling, an interior partition, or a vertically installed exterior wall, depending on the spec.
2 hour fire rated insulated metal panels
When the spec calls for a 2 hour fire rated insulated metal panel, send the occupancy, interior vs exterior, and any UL or FM assembly notes. We match a documented assembly before we quote thickness. Thickness for a 2 HR wall is TBD until that review.
Hazard and fueling-area fire walls
Fueling rooms, flammable storage, paint booths, and process equipment often need a rated fire wall, not a foam-core partition. A rock-wool IMP isolates the hazard, keeps insulation in the same plane, and goes up as a finished wall. Tell us the hazard class and the hourly rating in the spec.
Occupancy-separation fire walls
Plants, warehouses, and mixed-use buildings use occupancy-separation walls to split production, storage, and occupied space. Foam-core IMPs are Class A for surface burning. They are not a substitute for a 1 HR, 2 HR, or 3 HR fire-rated wall. Spec the hourly rating. We match a tested mineral-wool assembly.
Industrial walls, not renderings
L-joint, core, and envelope work. The same panel type used for fire-rated partitions, ceilings, and exterior skins.
Need a 1 HR, 2 HR, or 3 HR fire wall, not a foam panel?
Send square footage, the fire rating in the spec, and the timeline. A specialist replies with technical specs and pricing.
Request a QuoteRequest a quote
1 HR, 2 HR, and 3 HR fire rated insulated metal panels for walls, partitions, and ceilings. No minimums. Specs and pricing in 24 hours.
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(352) 668-9432Email directly
hello@xipreusa.comFire-rated IMP questions buyers actually ask
Straight answers for GCs, plant managers, and specifiers comparing 1 HR, 2 HR, and 3 HR fire rated metal wall panels.
What are fire-rated insulated metal panels?
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Fire-rated IMPs are steel-faced sandwich panels with a non-combustible rock-wool (mineral fiber) core. Specs typically call for 1 HR, 2 HR, or 3 HR fire rated walls. One panel provides the fire wall, the insulation, the humidity barrier, and the finished surfaces.
Do you supply 1 HR, 2 HR, and 3 HR fire rated panels?
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Yes. 1 HR, 2 HR, and 3 HR, including 2 hour fire rated insulated metal panels. Thickness is TBD until we match a documented assembly to the hourly rating in your spec. Do not guess thickness from a photo.
How much fire resistance do mineral wool IMP panels provide?
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Typical specs call for 1 HR, 2 HR, or 3 HR fire rated walls. Ratings also include 45 minutes. Send the hourly rating in your spec and we will match a documented assembly. Do not guess a rating from a photo.
When do I need fire-rated partition wall panels instead of standard IMPs?
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Use mineral-fiber fire-rated panels when the wall must be a fire barrier or fire wall: occupancy separation, hazardous-area containment, protection of equipment, or a rated partition inside a factory, warehouse, hospital, school, or residence. Standard foam-core IMPs are Class A for surface burning. They are not a substitute for an hourly fire-rated wall.
Can these panels be used indoors and outdoors, including ceilings?
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Yes. The same fire-rated rock-wool panel is specified for interior partitions, interior ceilings, and exterior walls. Outdoor walls use vertical mounting and a built-in pressure-balanced rain screen. Indoor vs outdoor is a spec choice, not a different product family.
Do fire-resistant metal wall panels also insulate heat and noise?
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Yes. The mineral fiber core is a thermal insulator whose resistance stays stable over time, and it is a sound absorber. That is why these panels are used as plant partitions and in institutional buildings: they hold fire, cut heat transfer, and quiet adjacent spaces without a second insulation layer.