Lead codes determine the weight (and hence the thickness) of lead sheet. The number in the code simply equates to the weight in lbs, per square foot of lead. When installed correctly, the lead will often outlast the life of the building.

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Accordingly, what is lead flashing code?

Lead Code Thickness Weight (kg/m2)
Code 3 1.32mm 14.97
Code 4 1.80mm 20.41
Code 5 2.24mm 25.40
Code 6 2.65mm 30.10

One may also ask, what is Code 5 lead flashing used for? Code 5 lead flashing rolls can be used for anything from tapered valley gutters and flat roofing through to pitched roofs, canopies and vertical cladding.

Moreover, what is the difference between Code 3 and 4 lead flashing?

While Code 3 is suitable for soakers, Code 4 is the minimum thickness to use for all flashings. An alternative method for more exposed situations is a single-step flashing which can be used over soakers, cover flashings or secret gutters. 15 All dimensions are in mm, except where otherwise stated.

What is the minimum upstand for lead flashing?

The vertical lead upstand needed on a pitched roof is less critical than on a flat roof, although the recommended minimum is 75mm, 50mm will be fine on a porch.

Related Question Answers

What is Code 3 lead flashing?

Code 3 lead is the thinnest gauge of lead used in commercial roofing and is suitable for light applications such as soakers at the abutment.. As it is a thin gauge, Code 3 lead is easy to work with and, as with all lead flashing, the low melting point of lead means that you don't use as much fuel to melt the material.

How long should lead flashing last?

100 years

Is there an alternative to lead flashing?

Many recognisable big-name brands offer alternatives to lead flashing, including Ubbink, Icopal, Deks and Cromar. There are many options to choose from so it's worth doing some research.

How much lead flashing do I need?

Lead Roof Flashing Length Lead sheet for lead flashing should be no longer than 1.5 metres. If the lead is cut any longer it could lead to splitting of the lead work due to expansion and contraction. When fitting flashings they should overlap by a minimum of 100mm.

What is lead code?

Lead codes determine the weight (and hence the thickness) of lead sheet. The number in the code simply equates to the weight in lbs, per square foot of lead. When installed correctly, the lead will often outlast the life of the building.

What is a lead soaker?

Lead Soakers. Traditionally, lead soakers are placed in between each line of tiles or slates, in order to minimise the risk of leaks and enhance durability.

How long does a lead roof last?

Lead has been used for roofing for centuries and is one of the oldest flashing materials. It is durable and soft enough to be formed into complex shapes. Lead roofing and flashings can last over 200 years. Generally speaking, lead roofing or flashing that is in good shape may safely be left in place.

What does patination oil do?

Patination Oil is white spirit based surface treatment that prevents white carbonate from forming on the surface of newly fitted Lead Sheet and reduces the risk of staining to adjacent materials.

What is Soaker code lead?

Code 4 lead is the perfect solution for either vertical cladding and soakers. You can also use it on a handful of other flashing applications. Unlike Code 3 lead, it is slightly thicker at 1.80mm and weighs 20.41kg per square meter.

How do you cut lead?

A Stanley knife is the ideal tool for cutting lead. Run the knife over the lead several times till cut halfway though then flex lead. It will part on the cut. Keep hands behind cutting edge.

What thickness is Code 4 lead?

1.8mm

What is porch roof lead code?

Find Out Which Lead Code you Need
Code Thickness (mm) Recommended use(s)
Code 6 2.65 Flashings, pitched and tapered valley gutters, dormers and flat roofs
Code 7 3.15 Pitched and tapered valley gutters, dormers and flat roofs
Code 8 3.55 Pitched and tapered valley gutters, dormers and flat roofs