Lead Bay Styles

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Bay Window Lead Roof Repair

When considering replacing a lead bay on your property it is important to choose a contractor who specialises in leadwork, rather than just a general builder. Such a contractor should understand Lead Sheet Association Guidelines, be able to weld lead, and have the ability to undertake the relevant joinery work to form a compliant substrate.

Firstly, a survey of the existing should be carried out, this does not need to be invasive, a visual inspection will suffice. Secondly, consideration needs to be given to the condition of the timber under the existing lead or other roof material. The visual inspection will not be able to identify such defects but it is usually more appropriate to replace the substrate regardless. The reason for this is twofold, firstly it allows the opportunity to improve the insulation levels in the bay. Secondly, it provides a firmly fixed surface to attach the new lead sheet covering.

Consideration then need s to be given to how the water will discharge from the bay. This will depend upon the type of bay window that is on your property which are outlined below:

Pitched Lead Bay WindowBook a Survey

Usually, these bays fall into a gutter, originally, this gutter would have been cast iron or more commonly made from timber. More often than not, replacement of the guttering to the bay tops is advised. Our preferred method is to install a new profiled timber gutter, lined with lead, to provide a traditional aesthetic.

However, cast iron guttering can be installed and equally, so can a plastic gutter

To discuss getting your pitched lead bay repaired or replaced using the contact form below or click here and a member of our team will contact you to arrange a suitable date and time.

Pitched Lead Bay In Progress
New Lead Bay Window
Old Lead Bay Roof
Lead Bay Replacement
Lead Bay Details

Flat lead bay windowBook a Survey

Lead covered flat roof areas above bay windows are also commonplace. In these cases, there was often no gutter present and the water was simply encouraged to drip off the front edge to the ground. However, these days we are seeing some torrential rainfall which should be taken into account when replacing such a roof area.

More so, as with pitched bays to gutters, if the bay is of a certain size, it is crucial to consider where the rainwater is going. At GNR Roofing, we have devised a method which installed a gutter to the rear of such bay tops, allowing water to run off the bay, towards the property and then into a purpose formed lead spitter to one or both ends, depending upon the size of the bay.

Other Lead Bay Work
Flat Bay Roof Lead Top

other lead baysBook a Survey

A bay window covering is often unique to a particular property or specific terraced street. When it comes to installing bespoke lead roof coverings and details GNR are among one of the top firms in the UK.

Our teams of experienced lead workers are more than capable of tackling any type of lead bay window covering. A full in-house design service comes as part of the package to ensure that all leadwork is undertaken in accordance with strict standards.

Why choose GNR Roofing?

Each year we undergo stringent vetting by The Lead Contractors Association who come along and scrutinize our work by taking it apart.

We are then graded on how well our work has been executed and how compliantly, in terms of the guidelines, it has been installed. Our current vetting grad is excellent, making us one of only a handful of contractors in the UK.

Take a look at our current listing on the Lead Contractors Association Website for clarification and further information

how to fit a new lead roof to a bay

Lead Mopstick

 

Lead Mopstick

What is a lead mopstick for?

Used to join lead together into smaller pieces, reduce expansion and contraction issues, create up-stands and troughs, provide fixing points and decorative interest.

What is a mopstick?

he mopstick is a piece of round wood like a fat broom handle with one flat edge to fit face down onto the roof, the purpose of which is to separate one section of lead from another whilst providing an up stand.

 

How thick should the lead be?

A Guide to Lead Weights

Code 3 is a flashing lead, and it can be fitted to small bays and lead roofs in the right circumstances, 

  • Code 3 –  2.5m2 maximum
  • Code 4 –  4m2 maximum
  • Code 5 –  5m2 maximum

The thickness and longevity of the lead ultimately comes down to budget the higher code lead the more expensive.

Old Lead Bay Roof

 

Who can install a lead bay?

Our Expert Advice

Fitting of lead requires specialist skills furthermore incorrectly installing a lead bay can lead to further issues. We highly recommend you instruct a lead working professional like GNR.

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