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INTRODUCTION

Linear Heat Detection for Challenging Environments

In many industrial and construction environments, fire risk develops along assets such as cable trays, conveyors, and infrastructure, not just at a single point. These areas are often exposed to dust, airflow, moisture, and operational stress, making consistent detection across extended lengths more challenging. Ramtech Linear Heat Detection provides continuous monitoring along the full length of high-risk assets, with coverage of up to 9,800 ft (3,000 m).

Using a fixed temperature heat-sensitive cable, every foot acts as a sensing element, activating when a predefined temperature threshold is reached. The system not only detects heat but can also pinpoint the location of activation along the cable, enabling faster identification of developing fire conditions. When integrated with Ramtech systems, Linear Heat Detection forms part of a connected solution, detecting heat where it develops, triggering site-wide alerting through WES, and notifying key stakeholders via REACT to support a fast and effective response.

FIXED TEMPERATURE DETECTION

Simple. Reliable. Proven.

The system uses a two-core cable with a temperature-sensitive polymer designed to activate at predefined thresholds, typically 155°F (68°C) and 190°F (88°C). depending on the application. For most construction environments, 155°F provides an optimal balance between early detection and minimising false alarms. For higher-risk conditions such as hot works, roofing, or unventilated areas, 190°F is recommended.

When this temperature is reached:
  • The cable activates
  • The circuit condition changes
  • An alarm is triggered
  • The location of the activation is identified along the cable
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BENEFITS

Reliable Detection for Demanding Environments

Designed to deliver reliable performance in challenging environments, Ramtech Linear Heat Detection provides continuous coverage, proven technology, and seamless integration with site safety systems.

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Full-Length Detection

Every foot of cable acts as a sensing element, providing continuous coverage across lengths of up to 9,800 ft.

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Reliable in Harsh Environments

Designed to perform in dust, moisture, airflow, chemicals, and extreme conditions.

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Certified Performance

Tested and approved to cUL/UL, FM, CE, and RoHS standards, supporting compliance across a range of applications.

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Seamless System Integration

Interfaces directly with WES for immediate site-wide alerting, with REACT enabling real-time notifications to key stakeholders.

Activation Temperatures

Fixed temperature options (155°F / 190°F) allow the system to be tailored to specific risks and environments.

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Pinpoint Location Detection

Identifies the exact location of activation along the cable, enabling faster response and targeted intervention.

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APPLICATIONS

Designed for Dynamic and Challenging Environments

Ramtech Linear Heat Detection is engineered to protect critical infrastructure where heat develops over distance and continuous detection is required.

Power Generation

Monitoring cable infrastructure and high-load equipment.

Data Centers

Protection for high-density cabling and power systems.

High-Rise Buildings

Coverage for risers, shafts, and distribution routes.

Marine

Reliable detection in harsh marine environments.

Warehousing & Logistics

Monitoring large-scale facilities with distributed risk.

Cable Trays

Continuous detection along electrical infrastructure.

Temporary Power Distribution

Monitoring switchboards, feeder cables, and temporary systems.

Stored Materials

Detects heat within combustible materials.

Escalators / Lift Machinery

Detects friction and mechanical heat build-up.

Parking Structures & Podiums

Detection across open, ventilated environments.

Tunnels and Infrastructure

Consistent detection across long or enclosed areas.

HOW IT WORKS

From Detection to Notification

Ramtech Linear Heat Detection forms the detection layer within an integrated system engineered for rapid fire event recognition and communication.

CASE STUDIES

Real-world Applications

Ramtech Linear Heat Detection is designed to be applied across a wide range of environments where heat develops along assets. From construction to industrial applications, the system provides a flexible solution that can be adapted to different risk profiles and site conditions.

Commercial façade upgrade with dark metal cladding, scaffolded renovation area, cherry picker and mixed-use redevelopment site.

Cladding Remediation (Fairfield Road)

This project involved the cladding remediation of two occupied residential blocks on Fairfield Road, Bow, comprising 61 mixed-tenure homes.

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Residential building cladding renovation with grey façade panels, exposed insulation, scaffolding and construction workers on site.

Cladding Remediation (Plumstead)

This project involves the cladding remediation of a 119-unit high-rise residential building in Plumstead, London.

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Occupied Cladding and Remedication (Canning Town)

Canning Town cladding remediation project is being delivered at a six-storey occupied residential building in Canning Town, London, comprising 50 homes.

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FAQ

Frequently Asked Questions

The Ramtech team are happy to support with any questions to ensure the right solution is specified for your site or project. Below are some of the most common queries.

Linear Heat Detection uses a heat-sensitive cable installed along an asset or area, providing continuous monitoring over lengths of up to 9,800 ft (3,000 m). The cable activates when a predefined temperature is reached, triggering an alarm and identifying the location of the activation along the cable.

It is used in environments where fire risk develops along assets, including cable trays, temporary power distribution, tunnels, and infrastructure. It is particularly effective where traditional point detection is impractical or difficult to maintain.

The system is available in fixed temperature options, typically 155°F and 190°F. The appropriate temperature is selected based on the environment to balance early detection with minimising false alarms.

The system interfaces with the WES wireless fire alarm system, triggering immediate site-wide alerts when activated. When connected to REACT, alarm events are communicated to key stakeholders in real time, supporting rapid response and escalation.

Yes. The cable is designed for demanding environments, with options including stainless steel over-braiding for added durability. It is resistant to dust, moisture, chemicals, UV exposure, and mechanical stress, ensuring reliable performance in challenging conditions.

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