Project Description

Permaroof500 Liquid Flat Roof Trim System

The ResTrim range consists of pre-formed GRP edge trims for roof and balcony detailing and are specifically designed to create a perfect finish. Easy to apply and suitable for competent DIYers, the drip trim and fascia trim can complement any domestic flat roofing job.


  • Damage resistant design
  • Neat, streamlined edge detail for roofing and balconies
  • Ideal for decorative finishes
  • Easy to install
  • Consistent jointing
  • Compatible with other fibreglass systems

Method of installation

After applying the P500 rubber roof, allow to dry completely before installing the trim. Fix to gutter edge or fascia board with suitable roofing nails and complete with corner ends and caps for a watertight, neat and professional finish.

Buy Now

Permaroof UK Ltd is the UK’s largest provider of Firestone EPDM RubberCover membranes and products, providing a long-term solution to leaking flat roofs. The EPDM flat roofing membranes are manufactured from a synthetic rubber compound and have been used on commercial and industrial roofing worldwide for more than 25 years. Today, the high-performance, proven system is available for waterproofing residential flat roofing and is fast growing in popularity as it consistently outperforms traditional felt roofing.

The unique compound of EPDM membranes brings flexibility and durability to flat roofing products with a low life-cycle cost as it requires little or no maintenance over its expected lifespan of 50 years plus! The EPDM flat roofing revolution is upon us! Buy the featured products online at

We can arrange, through a list of trained and approved installers, for you to receive a no obligation quotation for your flat roofing project, with all work fully guaranteed for your peace of mind.

Permaroof also offer Permaroof-in-a-box®, containing everything you need to undertake the fitting of a flat roofing project. We think of everything at Permaroof and strive to meet the needs of all our customers. Whether you require a supplier for your flat roofing business, or are replacing a shed roof or installing a new garage roof, we can help you. Watch our video demonstrations on this channel and see this innovative flat roofing system for yourself – high-performance, high-quality and superior weatherability, Firestone EPDM flat roofing systems are the future of waterproofing for a flat roof.