Become an approved Envirotech Contractor.

Interloc have been working with contractors, architects, builders and home owners for nearly 20 years to help and advise on the best products, tools and accessories for their specific project.

Our team offer installation training, sales support and after sales service so you and your clients are in good hands.


Interloc work with small and medium sized contractors that have no previous experience in single ply roofing installation. We work closely with them to ensure that they are confident with all aspects of using and installing the product on one or two day courses.

Once complete, you will be issued with an Envirotech Approved Installer card.

  • Comprehensive product brochures
  • Up to date price lists
  • Technical Manual
  • Detailed Drawings
  • Specifications
  • Sales and Marketing materials and advice
  • Surveys before, during and after installations
  • All the tools, roofing materials and disposable materials that you require for each of your jobs
  • Delivery of our products to site within 48 hours and often within 24 hours if it's urgent
  • In addition to all the above Interloc will work with you make architects, builders, surveyors and property owners aware of the advantages of Envirotech EVA single ply roofing and get their approval and specification on the product.

Contact us

Become an approved Envirotech PVC single ply roofing contractor.​

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