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Product images: the manufacturer (official).
Firestop · penetration and joint seals
Firestop mortars
A strong, permanent seal for large, busy penetrations – poured or trowelled around the services.
- Penetrations and joints
- Use
- EI / F-T ratings per test
- Classification
- Tested with the wall or floor
- System
Supplied by World Steel with your steel building or on its own – one order, one shipment, one partner.
Overview
About Firestop mortars
Mortars seal large openings with mixed services and can be loaded on floors; the tested system defines opening size, service types and mortar depth.
Penetration seals are tested to EN 1366-3 (classified under EN 13501-2), ASTM E814 / UL 1479 (F and T ratings) or AS 1530.4.
Plastic pipes usually need collars or wraps in addition to the mortar.
Key benefits
- Seals large mixed penetrations
- Durable and load-bearing on floors
- Economical for big openings
- Accepts collars and wraps
World Steel · building envelope hub
How we use Firestop mortars in steel buildings
World Steel coordinates firestop systems with the fire-rated walls, floors and steel decks of the building package.
Product-specific test reports, classification reports and certificates are supplied for the product selected for each project – this page describes the product type, not a certified product.
- 01Specified with the structure – thickness, density and facing matched to the roof, wall and fire design.
- 02Quantities taken from the same 3D model as the steel, purlins and cladding.
- 03Packed and shipped with the steel package – one delivery schedule to site.
Applications
Where Firestop mortars is used
- Riser floors and plant room walls
- Cable tray and pipe clusters
- Concrete and masonry walls
Technical data
Firestop mortars – technical properties
Typical properties and standards
| Property | Unit | Value |
|---|---|---|
| Fire test | — | EN 1366-3 · ASTM E814 / UL 1479 · AS 1530.4 |
| Classification | — | EN 13501-2 (EI) · F / T ratings (UL) |
Values as published by the manufacturer for this market. Always check the current data sheet and the approvals required for your project before ordering.
Firestop systems
Related products
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FAQ
Frequently asked questions
Can firestop mortar be used in drywall?
Only where the tested system covers the wall type – lightweight walls usually use sealants, boards or pillows.
Is this product certified?
Certification belongs to a specific manufacturer’s product or tested system. We supply the test report, classification or listing accepted in your market for the product selected – it is confirmed per project, never assumed.
One partner for structure and envelope
Send us your drawings or bill of quantities – we quote the steel, insulation, boards and ceilings together and ship them as one package.