• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
The Garden Room & Annexe Guide Logo
Swift UnlimitedExplore what’s possible
Exceptional Spaces, Endless PossibilitiesFit for Life – Fit for PurposeWhatever your PassionDesigned for Work and LifeBeautifully Built, Uniquely YoursDedicated Specialised RoomsLeisure and Pleasure
The Garden Room & Annexe Guide Logo
Swift UnlimitedExplore what’s possible
Exceptional Spaces, Endless PossibilitiesFit for Life – Fit for PurposeWhatever your PassionDesigned for Work and LifeBeautifully Built, Uniquely YoursDedicated Specialised RoomsLeisure and Pleasure
  • Buyers Guide
        • Introduction
          • What is a garden room?
          • How to buy a garden room
          • Buyers doubts
          • Pre-designed garden rooms
          • Modular garden rooms
        • Rules & Regulations
          • Garden Room Planning Permission Guide
          • Permitted Development Overview
          • Building Regulations
        • Build & Installation
          • Off-site construction
          • Complete on-site builds
          • Garden rooms can be craned in
          • Garden room shell builds
          • Turnkey projects
        • Design Consultations
          • Start designing your garden room
          • What to expect from a design consultation
          • Buying a garden room online
          • Comparing garden room quotes
  • Garden Rooms
        • Examples By Company
          • A to Z of Companies
        • Examples By Use
          • Small Garden Rooms
          • Garden Offices
          • Garden Gyms
          • Art & Creative Studios
          • Soundproof Garden Studios
          • Granny Annexes
          • Explore More Uses
        • Examples by Design Feature
          • With Storage Room
          • With Toilet or Shower Room
          • With Composite Cladding
          • With Canopy
          • With Covered Seating Area
          • With Pitched Roof
  • Garden Living Annexes
        • By Footprint Size
          • Less than 25sqm
          • 25sqm to 35sqm
          • 35sqm to 45sqm
          • 45sqm to 55sqm
          • 55sqm and Above
        • By Room Layout
          • Garden Bedroom
          • Open Plan
          • One Bedroom
          • Two Bedroom
          • 3 and 4 Bedroom
        • Useful Guides
          • How Much Does a Granny Annexe Cost?
          • Visit Annexe Show Buildings
  • Price Guides
        • Price Guides
          • Garden Room UK Price Guide
          • How much do garden rooms cost?
          • How much do bespoke garden rooms cost?
          • How Much Does a Granny Annexe Cost?
          • Do Garden Rooms Add Value to Your Home?
        • Budgeting & Payments
          • Setting a budget for a garden room
          • Maximise your budget
          • Paying for a garden room
          • Protecting your investment
        • Finance & Deals
          • Garden room finance options
          • Renting a Garden Office
          • Second-hand garden rooms
          • Special Offers
  • Directory
  • About Us
        • About Us
          • Our Story
          • Work With Us
          • Newsletter
        • Contact Us
          • Our Contact Details
        • Website Policies
          • Revisit Your Cookie Settings
          • Cookie Policy
          • Privacy Policy
          • Acceptable Use Policy
          • Website Terms of Use
  • Your Guide

Firestone EPDM – seamless roof covering with 50 year lifespan

Interesting guest post by the team at www.permaroof.co.uk about Firestone EPDM, finish that is chosen by many garden room designers for the roof of their buildings. EPDM has become popular in garden room design because it can be fitted in one seamless sheet and has a 50-year lifespan.


Firestone EPDM – Global leading manufacturer of 50-year life, seamless rubber waterproofing

The world leading manufacturer of rubber products and a name synonymous in the car tyre industry, Firestone was founded by Harvey Samuel Firestone in 1900 and quickly became the tyre of choice for Henry Ford’s first automobile in 1906 for the Model T. Since conception Firestone has progressively transformed the rubber industry forming the high quality, durable and long lasting materials that we see and use today.

Unequivocal research over 100+ years inspired the creation of new technologies including what is known as Firestone EPDM (Ethylene Propylene Diene Monomer), which in Leymans terms means rubber.  Firestone Building Products specially designed the Firestone RubberCover EPDM Roofing System for small residential flat roofing applications. The system is based on high performing Firestone RubberCover EPDM rubber membranes and a limited range of accessories offering a watertight and durable roofing solution.

More Garden Offices use Firestone EPDM for the roofs of their garden rooms, supplied by Permaroof.
Dore Garden Offices use Firestone EPDM for the roofs of their garden rooms, supplied by Permaroof.

The Firestone RubberCover EPDM Roofing System is the ideal, durable solution for small residential flat roofs such as: extensions, verandas, dormers, porches, garages, carports, garden buildings, balconies, gutters, trailers and many more.

Firestone RubberCover EPDM Roofing Systems offer a unique combination of features and benefits:

  • Superior durability
  • Seamless sheets in 1 piece up to 15m x 61m
  • Very low life-cycle cost
  • Flame-free and easy installation using adhesive
  • High flexibility and elongation – up to 300%
  • Environmentally friendly – Recognised by Green Peace
  • Recovery of rainwater
  • Fire resistance
  • UV Stable

1 billion square meters has now been installed worldwide meaning EPDM is quickly becoming the material of choice over more traditional alternatives like bitumen and felt.

Investment in a Garden Room is growing in popularity in the UK and so are the demands for exceptional quality and standards. Demanding the very best from their garden building aesthetically and functionally, Garden Room owners often desire their buildings to reflect their own home in terms of quality and offering which is why no matter what contents are used to fill the building the material keeping it dry should never be compromised. Firestone EPDM will last 50 years+ and with its seamless (one piece) installation there will never be concerns for its performance.

Since 2000, Permaroof UK Ltd based in Derbyshire have been the UK distributor for Firestone EPDM with nationwide reach offering next day delivery on orders placed by 2pm. Running the Garden Building division is Nick Hope (nick@permaroof.co.uk / 01773 608 808) who offers a ‘cut to size’ service reducing waste for his customers and a purpose built 2 storey training facility at the Permaroof head office ensures correct installation and the ability for those who complete training to offer 20 year warranties on every project. Introductory discounts are available to any company new to the Firestone EPDM system.

Visit the Garden Spaces website
Visit the Timeless Garden Rooms website
Visit the Garden2Office website
Uniquely designed garden
rooms & annexes
Bespoke, tailored to
you & your garden
No planning permission
required in most cases
Garden offices to
self-contained annexes
Based in Brighton & Hove,
building across England
See our work →
Visit the Modern Garden Offices website

Primary Sidebar

Visit the Garden Annexes website to explore their homes in the garden
Visit the Garden Spaces website
Visit the Bridge Garden Rooms website
Visit the Ark Design/Build website
Visit the Modern Garden Rooms website
Uniquely designed garden
rooms & annexes
Bespoke, tailored to
you & your garden
No planning permission
required in most cases
Garden offices to
self-contained annexes
Based in Brighton & Hove,
building across England
See our work →
Explore the Cosy Garden Rooms website to learn more

Useful Links

Planning Permission Guides

A to Z of Companies

Garden Rooms

Garden Living Annexes

Garden Room & Annexe Directory

Contact Us

Contact Us

Work with Us

Website Policies

© 2026 The Garden Room & Annexe Guide. All Rights Reserved.
The Garden Room & Annexe Guide is powered by the team at Square Meter Media Limited