KLEBERMANN FIRESTOP PU FOAM

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KLEBERMANN® FIRESTOP PU FOAM


High-Performance Fire-Rated Insulation Foam – BI/A1 Certified


Seal, Protect, and Insulate with Confidence.


Introducing KLEBERMANN® FIRESTOP PU FOAM—a fire-rated, high-expansion polyurethane foam designed to deliver superior fire, smoke, and moisture sealing in both residential and commercial applications. Whether you're filling voids, insulating around pipes, or sealing gaps in walls and ceilings, FIRESTOP PU FOAM is your go-to solution for thermal protection, acoustic dampening, and pest control.


Formulated for fast curing, strong adhesion, and high thermal resistance, this easy-to-use one-component foam expands to 2.5x its volume, locking in performance while keeping the elements—and risks—out.


🔥 Key Features

  1. ✅ BI/A1 Fire Rated – Built to resist fire and block smoke/moisture penetration
  2. ✅ Fast Curing – Tack-free in 15 minutes, fully cured in approx. 4 hours
  3. ✅ High Expansion – Fills large gaps and irregular cavities with ease
  4. ✅ Thermal, Acoustic & Pest Insulation – Protects against noise, heat loss, and vermin
  5. ✅ Paintable & Trimmable – Easy finishing after cure
  6. ✅ Multi-Position Application – Use at any angle, no mixing needed
  7. ✅ Adheres to Most Surfaces – Timber, brick, concrete, steel, glass & more
  8. ✅ Environmentally Friendly – CFC-free and safe for indoor & outdoor use


🛠️ Where to Use

Around door & window frames

Air vents, pipe & conduit penetrations

Behind architraves and skirting boards

Filling irregular gaps and voids in walls or cavities

Applications in construction, HVAC, maintenance, and renovation


🧱 Bonds To:

Brick, concrete, plasterboard

Wood, timber, particleboard

Steel, aluminium, glass, ceramic tile

Most plastics*

*Not suitable for PE, PP, PTFE, silicone, or polystyrene


📊 Technical Snapshot

Tack-Free Time: ~15 minutes

Full Cure Time: ~4–5 hours (3–5 cm depth)

Expansion Rate: Up to 2.5x

Service Temp Range: -40°C to +90°C

Application Temp: +5°C minimum

Propellant: CFC-free, ozone-friendly hydrocarbon

Finish: Paintable, sandable, trimmable


💡 Pro Tips for Best Results

Shake can well before and during use

Spray a light mist of water before application to boost expansion

Fill only 50% of the void—let expansion do the rest

Use gloves (included in lid) and clean spills immediately with acetone

For deep gaps >5cm, apply in layers with full cure in between


🛑 FIRST AID – KLEBERMANN® PU FOAM


Skin Contact:

Remove contaminated clothing immediately. Wash affected area thoroughly with soap and water. Seek medical attention if irritation or redness persists.


Eye Contact:

Rinse eyes immediately with clean running water for at least 15 minutes. Hold eyelids open—forcefully if necessary. Remove contact lenses if present and easy to do. Seek immediate medical assistance.


Inhalation:

DO NOT INHALE FOAM OR VAPORS.

Move the person to fresh air immediately. If breathing is difficult, provide oxygen and seek urgent medical attention.


Ingestion:

Do NOT induce vomiting. Rinse mouth and seek medical help immediately.


⚠️ DANGER:

Avoid inhalation and contact with eyes or skin. Use only in well-ventilated areas and wear appropriate protective equipment.


🔒 KLEBERMANN® FIRESTOP PU FOAM – Your First Line of Defense.


Fire-rated. Fast curing. Foolproof. For professionals who build for safety and performance.


Video


Download

Technical Sheet (PDF)

Material Safety Data Sheet (PDF)

Our Products Family

KLEBERMANN® is the most trusted adhesive brand for virtually any automotive, household, building and construction industry. Our adhesives are widely used for bonding and sealing application, from windshields to vinyl tops to electrical connections to automotive engines and many more. When looking for the right adhesives and sealants for any application look no further than KLEBERMANN®, partners of the professionals.