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Covering Suffolk, Essex, Cambridgeshire, Norfolk
& the whole of East Anglia
Installation Process
ELC Roofing Group > Roofing Services > Zinc Roofs > Installation Process
installing zinc roof

Installing Zinc Roofing the Right Way

When it comes to installing zinc roofs, you really want to find a roofing company that specialises in this area of modern roof design, who can work with you and an architectural designer.

Zinc roofs can basically last a lifetime – that is, with the quality of installation and the right roofing contractors for the job. Here at ELC, we like to consider ourselves as zinc roof specialists.

But you don’t have to take our word for it; you can read our many reviews and even view our project gallery to see our successful past zinc projects.

View our portfolio.

Getting started – the beginning stages

The initial part of the zinc roof process understands everything you can do with zinc. That’s why it’s best to consult with an architect and roofer to fully understand your options.

Below we’ve summarised in brief exactly what you can do to bring your vision to life and some options that are available to you.

Zinc roof options:

  • Create custom shapes
  • Choose your own colour
  • Add your own unique fixtures

One of the beauties of zinc is that it is completely flexible – meaning you can do almost anything with it. From creating the most unique architectural shapes to finding the right hue; zinc comes in an array of colours and finishes.

If you’re considering a zinc roof, it’s likely best that you spend some time with an architect and a zinc roofer to see what you can do with your current type of roof and the best options available to you.

Zinc 10, ELC Roofing, Sudbury, Ipswich, Saffron Walden

Different design options:

  • Natural zinc; shiny, metallic surface which develops a patina over time.
  • VMZinc Azengar; a pre-paginated product which provides smooth, matt surfaces.
  • Textures; roller-applied textures can also be incorporated, which can create unique textured finishes such as grooves, ripples and even fish scales.
  • Pre-pigmented varieties; specific your own zinc roof colour from warm red to purple.
  • Fixing methods; standing seam roofs or shingle systems (small individual metal sheets).

Various installation methods:

Eaves installation: Using the swept end method (this type of detail is elegant but requires more time and skill).

Hip installation: Traditional hip installation and the G3 hip method. G3 method can only be used when the distance between clips is less than 940mm. The traditional hip method cannot be vented – it is also the only design where flattened seams are acceptable.

Ridge installation: Can be used on warm (non-vented) and cold vented roofs.

Verge installation: Created either by using a G3 or a standing seam verge. Here, the downstand needs to be at least 60mm. The G3 verge can also be used on curved roofs with a radius of 3m.

Transverse junction installation: Using standing seam zinc roofing panels together using steps or welted joints.

Valley installation: This can only be used on roofs where the slope is at least 14 degrees.

Your new zinc roofing project can also include rooflight installations, windows as well as fascias.

Wherever you are in the East of England

We have offices and roofers based across the UK, that’s what makes us one of the largest, leading roofing companies in the south-east.

Our main offices are based in Cambridge, Ipswich, Saffron Walden, SuffolkChelmsford, and we have roofers available in locations like Essex, Peterborough, Milton Keynes and many more areas near you!

If you are considering using VM Zinc give us a call on 01787 278103, or pop into our office to see our showroom with samples of VM Zinc in different colours.

Our address: Unit 7 Woodhall Business Park, Drury Drive, Sudbury, Suffolk, CO10 1WH. Get directions.

We also offer a range of rainwater systems. Including half-round, box gutters and downpipes.

Other metal roofing we supply and fix include Aluminium, Steel, Lead and Copper.

Zinc roof colour options

Below are the range of colour swatches available in the VM Zinc range:

VMZinc Azenger swatch

Azengar

VMZinc Quartz-Zinc swatch

Quartz-Zinc

VMZinc Anthra-Zinc swatch

Anthra-Zinc

Pigmento Red

Pigmento Red

VMZinc Pigmento Brown colour swatch

Pigmento Brown

VMZinc Pigmento Green colour swatch

Pigmento Green

VMZinc Pigmento Blue colour swatch

Pigmento Blue

BEWARE: Compatibility with other materials

Again, this is why it’s important to include an experience zinc roofer in your design phase as well as your construction phase due to knowledge about the system.

For example, there are important considerations to bear in mind such as certain materials that will come into contact with zinc.

Certain products can have detrimental effects on the appearance or even the structural integrity of the zinc.

Acidic products which generate galvanic reactions must not be used; neither should products with pH balances lower than 5 or higher than 7. Also combining zinc and other metals like copper and mild steel can also produce galvanic reactions and can lead to the corrosion of the zinc.

This can make the cladding of the roof or wall fail.

Compatible metals include:

  • Lead
  • Aluminium (painted, anodised or bare)
  • Galvanised steel
  • Stainless steel

Compatible woods:

  • Pine
  • Spruce
  • Scots pine
  • Poplar

Other approved materials:

  • Polyurethane
  • Non-acetic silicones
  • MS polymer mastics
  • Organic timber treatments

Installing zinc

Use a professional! Even if you might be following design recommendations, it is critical, especially in the case of using VMZinc that is used safely and in the correct manner by a trained professional.

VMZinc provides additional training for installers who offer metal roofing and cladding in partnership with the Lead Sheet Association.

It’s this training that is designed to train professionals with specific information which is particular to the VMZinc brand.

Again, when using a particular supplier like this, VMZinc also recommends that you choose a contractor that is a member of roofing associations like Traditional Metal Roofing Contractors.

Our clients can have peace of mind that we are specially trained and have been accredited by VMZinc. ELC roofing has experience profiling and folding the zinc, protecting it and soldering it.

Underlayment

What’s important to know, especially in the case of working with a designer is that before the installation of the zinc roofing panels, the surface below the flashing must be protected to prevent water seepage.

Therefore using a VMZ compatible weather barrier acts as a slip-sheet to allow the zinc roofing panels to expand and contract freely.

VMZinc system facts:

  • Lightweight and durable
  • Minimal expansion and creak
  • Fully recyclable
  • Design life of 80 years
  • Virtually maintenance-free
  • Can be installed on pitches from 3°-90°
  • Complex shapes can be easily achieved
  • Zinc panels can be pre-curved to a radius as low as 600mm
  • Can be used to cover soffits (box gutter overhangs, etc)
  • BRE Green Guide certified/EPD EN 15804
  • BBA certified n Conforms to EN 988
  • Can be laid in lengths up to 13 metres without the need for expansion steps
  • Fire performance rating ‘AA’- BS 476: Part 3 (‘low vulnerability’ class in Scotland)
  • Fire classification A1 and A2-s1, d0 according to EN 13501-1:2002
  • Available in a choice of either Natural zinc, engraved Azengar or 7 pre-weathered finishes

View one of the zinc suppliers we work with; VMZinc’s standing seam installation guide for more details on how it all works.

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