Fire Stop Products | Astro PS Coat

>Trade Name: Astro PS Coat

Penetration Seal Coating

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Astro PS Coat
P Seal Coating
full size product image from Astroflame

Astro PS Coat
A thicker formulation seal

> Quick Overview


Telephone Astroflame 01329 844 500

Email Astroflame

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For in-stock items orders received before 2pm (Monday-Friday) are generally dispatched for delivery on the following working day (Monday-Friday).

> Product Description

CE Label Astro PS Coating Product

Astro PS Coat is an ablative, highly advanced flexible coating used to apply to uncoated stonewool boards to reinstate the fire resistance performance of wall and floor constructions where apertures are penetrated by single or multiple services.

Astro PS Coat is tested and Certified as part the Astroflame Fire Stopping range. When Astro PS Coat is applied to uncoated stonewool of the correct density it can be installed across a variety services and substrates including,

> Properties & Specification

Description Result Test Standard
Description Water based flexible acrylic coating  
Colour White  
Density 1.45– 1.55 g/cm³ ISO 2811-1:2011
Cure Rate 0.5mm per day at 50% relative humidity 23°C  
Tack Free 6hrs at 23°C, 50% RH  
Application Temperature +0°C to +30°C.  
Coating Thickness 2.5mm Nominal, wet coating thickness  
PS Coating Coverage 2.8kg/m2, 2.24L/m2  
Fire Resistance EI 60, EI 120 EN1366-3, EN1366-4
Classification EN 13501-2  
Acoustic Isolation 51dB when installed with 100mm thick 140kg/m3 stone wool. EN 10140
Air Permeability 600 Pa EN 1026 - 100Pa 1.8/1.4 m3/h/m2 EN 1026
Container Size 5kg  
Spray Pressure Machine 90psi / Tip 6000psi / Tip Size 0.85mm  
Installation Specification 50mm Stone Wool - EI 60
100mm Stone Wool - EI 120
EN 1366-3
VOC % Nonaqueous volatiles (105°C) 4.9 LEED
Expected Shelf Life 12 months Store in accordance with packaging instructions

> Product Availability

Astro PS Coat - Sold per 5 Kilo Tub.

Product Code Product Description

> To Order & Specify

Please contact us and quote the following information - Please quote- Quantity / Trade name / Product Ref
Typical wording- 10 / Astro PS Coat / AFPSCOAT

>> Tel: 01329 844 500 or >> Email:

> Installation

We have technical representatives who provide assistance in the selection and specification of the products on this site and should be consulted for exact installation and product suitability. Ensure an early engagement with ourselves, designers, main contractor and specialist installers before any installation. Other trades and/or manufacturers may need to be consulted. For in-depth information, specification and technical advice please call our Head Office on tel 01329 844 500 or email

> Maintenance

All interested parties, designer, specifier, main contractor and specialist installers should provide access to allow the fire stopping seals to be regularly inspected and maintained, as well as records kept of such maintenance at minimum periods of 12 months, as required by the Regulatory Reform Order, and repaired if necessary. Reference should be made to ASFP TGD 17 – Code of Practice for the Installation and Inspection of Fire Stopping.

> Competency

It is vital that those entrusted to design or install a fire stopping product have the necessary levels of competence to undertake the task professionally and thoroughly. The level of competency required will be commensurate with the expected complexity of the building. All designers must eliminate, reduce or control foreseeable risks that may arise during installation, construction or maintenance when preparing or modifying designs. Clients should ensure that the principal designer and principal contractor carry out their duties under CDM regulations. The ASFP foundation course in passive fire protection provides essential knowledge as part of demonstrating competency and understanding in this key fire protection specialism.

> Additional Notes

Please refer to the ETA sheet for fields of application for this product. For further information on installation requirements please refer to the manufacturer of the services and the wall/floor specification to ensure the compatibility of this product, if in doubt please contact the technical team with services and wall/floor specification on: tel 01329 844 500 or email

> Health and Safety

The product does not present any known health hazards during or after installation. Normal good industrial and personal hygiene practices should be observed. For further information on health and safety requirements please contact the technical team on: tel 01329 844 500 or email

> Data Sheet Downloads

Download and review the following available data sheets for this product.

Key Information:
  • PDS's are Product Data Sheets
  • SDS's are Safety Data Sheets
  • TDS's are Technical Data Sheets
  • INT's are Install Data Sheets
  • VID's are Video Files
  • DoP's are Declaration of Performance
  • CoC's are Certificate of Constancy of Performance
  • ETA's are European Technical Assessment Sheet
  • UL Documentation are UL - EU Certificate

> Delivery/Returns

For in-stock items orders received before 2pm (Monday-Friday) are generally dispatched for delivery on the following working day (Monday-Friday). All dates quoted for despatch are estimates only and are not guaranteed. We will endeavour to meet these dates but shall have no liability for any delay in despatch or delivery or any damage or loss occasioned thereby. We may deliver products pursuant to any order by instalments. If we are unable to deliver the goods for any reason,you will be contacted and you will not be obliged to pay for the goods which have not been delivered, you also have the option to cancel the goods that have been delivered, however we shall not be liable for any loss of income or profit which may have been caused by the delay or non delivery of goods.

For information about our returns policy please click here.

> Ask a Question

If you've got a question about this product or need some technical help get in touch with the Astroflame sales or technical team to discuss your requirements today. We are open Monday to Friday 8:00am to 5:30pm. You can always contact us on the following:

T: 01329 844 500


Web Page Last Modified: 12th February 2024

Data Sheets Downloads

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