Envirotech PVC single ply, which as well as being a durable and long lasting waterproof membrane, meets the asthetic requirments often asked for by customers. This is a dark grey membrane which is often used as a lead replacement and is a genuine long term solution to time consuming and costly annual maintenance on other types of flat and pitched roofing. Interloc Building Solutions supply quality waterproofing membranes for flat and low pitched roofing projects of all sizes.

Interloc have been working with contractors, architects, builders and home owners for nearly 20 years. The team are always on hand to help and advise on the best products, tools and accessories for any project.

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


We offer full day training courses at our Fife site which will give contractors all the tools they need to plan, price, build and complete any project using Envirotech products.  Each session is individual to your organisation so you’ll get information specific to your project or area of expertise.

Contact us to arrange your training session or find out more about available dates and prices.


We don’t stop at training.

We can advise on all stages of your project from planning to after sales.  Call us for advice on how Envirotech can be used for any job, large or small.

We’ll stay in touch during and after to make sure you and your clients are absolutely happy and to offer any further advice or guidance.

Advice and Technical Data

We understand that your clients want to know that the product  you are recommending is the right one for them.

We also know that you’ll need technical data on how the product works, its properties and specifications.

You can download our brochure and technical specs by clicking below.  Or complete the contact form and we’ll send you a hard copy.

Technical Documents

Envirotech PVC Products

Check out the range of PVC single ply products we stock​.

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