









Astroflame AFPFPACW PFP FR Acrylic Intumescent Firestop Acrylic Sealant 310ml – CE/UKCA
£8.95
Astroflame’s PFP FR Acrylic Sealant is a premium, CE and UKCA certified firestop solution designed for sealing joints and service penetrations in fire-rated walls and floors. It offers excellent acoustic insulation, remains permanently flexible to accommodate movement up to 12.5%, and is easy to apply without the need for priming. Suitable for various substrates including concrete, masonry, steel, and plastics, it cures quickly and is environmentally friendly with low emissions.
- Description
- Additional information
- Technical Specification
Description
Astro PFP FR Acrylic is a premium, fire-rated intumescent sealant designed to prevent the spread of fire and smoke through joints and openings in fire-rated walls and floors. It also maintains acoustic performance, offering high sound insulation. Easy to apply with a smooth finish, it remains permanently flexible to accommodate movement up to 12.5%. Suitable for various surfaces including concrete, masonry, steel, gypsum, glass, plastics, and most non-porous materials. The sealant hardens quickly, becoming tack-free after 1 hour, and is environmentally friendly with low emissions.
Key Features:
- Fire Resistance: Classified for sealing all types of construction and building service penetrations, preventing the spread of fire and smoke.
- Acoustic Performance: Provides very high sound insulation, maintaining the acoustic design performance of the structure.
- Flexibility: Permanently flexible, accommodating movement up to 12.5%, ensuring long-term durability.
- Application: Simple to apply with a smooth surface finish; no priming necessary for most materials.
- Compatibility: Suitable for most surfaces, including concrete, masonry, steel, gypsum, glass, plastics, and most non-porous surfaces.
- Curing Time: Hardens quickly, tack-free after 1 hour; fully cures in 3 to 5 days depending on thickness and temperature.A
- Environmental Impact: Low emissions, environmentally and user-friendly.
- Storage: Extended storage time of up to 24 months under correct conditions.
This sealant is ideal for use in various construction applications, providing reliable fire protection and maintaining the integrity of building structures.
Product Code | Product Description | Colour | Size |
AFPFPACW | Astro PFP FR Acrylic – Cartridges | White | 310 ml |
Additional information
Color | White |
---|---|
Material | Acrylic |
Liquid volume | 310 Millilitres |
Item form | Paste |
Intended use of pipe | Pipe end condition4 | |
Rainwater pipe, plastic | At drainage | U/U1) |
Not at drainage | C/C2) | |
Drainage or sewage pipe, plastic | Ventilated drain | U/U1) |
Unventilated drain | U/C1) | |
Drain w/water trap | U/C1) | |
Not at drainage | C/C2) | |
Pipe in closed circuit (water, gas, air, electricity etc.) | C/C2) 3) | |
Flue gas recovery system pipe, plastic | U/C1) | |
Pipe with open ends and ≥ 50cm length on both sides, plastic | U/U2) | |
Pipe supported by suspension system, metal | Fire rated support | C/U1) |
Non-fire rated | U/C1) | |
Waste disposal shaft pipe, metal | U/C1) |
Technical Data
Condition | Ready for use, acrylic based filler |
Specific gravity | 1.56 – 1.60. |
Flash point | None |
Reaction to fire | B – S1, d0 |
Expansion in fire | 1 : 2-3 |
Non-sticky | Max. 75 minutes |
Film forming | Max. 25 minutes |
Totally hardened | 3 to 5 days depending on thickness and temperature |
Flexibility | 12.5% in mortar/concrete/masonry EN ISO 9046 |
Durability | Z2 intended for use in internal conditions with humidity classes other than Z1, excluding temperatures below 0°C |
BWR 3 | Use category IA1, S/W3 |
Thermal conduct. | 0.845 W/mK (+/- 3%) @ 20mm depth |
Storage | 24 months stored in unopened cartridges. To be stored in temperatures between 10°C and 30°C |
Service temp. | -20 to +70°C |
Application temp. | +5 to +30°C |
Compatibility | Suitable for use with most materials, but should not be used In direct contact with bituminous materials |
Limitations | Should not be used in permanently damp areas or in joints with high movement |
Classification | CE-marked – Sealant for fire rated joints and penetrations class EI 240 |

Astroflame AFPFPACW PFP FR Acrylic Intumescent Firestop Acrylic Sealant 310ml – CE/UKCA
£8.95
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