Chesterflex Eaves Protection

High Performance Bituminous Underlay for Eaves and Gutter Protection

Chesterflex Eaves Protection is a high performance, polyester-reinforced bituminous membrane used to provide waterproof protection for pitched roof eaves and gutters.

The product is available in a handy choice of 330mm or 500mm widths.

Key Features & Benefits:

• Long life

• High performance

• Available in a range of handy sizes

• Ideal for eaves and gutter protection


Eaves Protection

Accreditations and Certifications

Product Information
Product CodeDescriptionRoll LengthRoll WidthPallet Quantity
P8815U Eaves 1/3s16m330mm90 rolls
P8805U Eaves 1/2s16m500mm60 rolls

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Chesterflex Eaves Protection is used as a protective waterproofing membrane in pitched roof locations
where an underslaters felt fits into an external gutter.

Installation Guidelines

This product should be installed in accordance with manufacturer recommendations and all relevant national standards and codes of practice, including BS 8217:2005 – the code of practice for reinforced bitumen membranes
for roofing.

Maintenance and Repair

Routine inspection, cleaning and maintenance of the roof membranes should be based on the recommendation in BS 8217:2005. Should it be damaged either during construction or at later date, then the repairs should be made using the same materials so that the performance of the built-up membranes is retained.


Manufactured in accordance with BS EN 13707:2004+A2:2009 – Flexible sheets for waterproofing. Reinforced bitumen sheets for roof waterproofing.

Handling and Storage

The material should be stored vertically on a firm flat surface and transported stood on end to avoid damage.


UKCA certified & CE Marked to EN 13707:2004+A2:2009.
CE Certificate Number: 0086-CPR-595938.
UKCA Certificate Number: 0086 CPR 753192.

Health and Safety

Health and Safety should be observed at all times in accordance with HSE and industry guidance. Specific Risk Assessments and Method Statements should be produced by contractors where necessary to ensure Working at Heights, Fire Safety and Manual Handling rules are compliant with current law and regulations. Health and safety data sheets are available for all materials on request from Chesterfelt.

Quality Assurance

Chesterflex Eaves Protection is manufactured in accordance with BS EN ISO 9001:2015 – Quality Management Systems (QMS).

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