Code 4 210mm x 3m (8inch) Roofing Lead Roll

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Product code: 41008
Product weight: 13.00 Kg
local_shipping Estimated delivery time: 3-5 days Working days
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Code 4 210mm x 3m (8inch) Roofing Lead Roll

The increase in gauge from Code 3 makes Code 4 lead considerably more resistant to wear and means that it has a wider range of applications.

Code 4 Lead is 1.8mm thick (a 36% increase) and weighs 20.41kg/m2 (Thickness to BS EN12588 tolerances of +/- 5%)

As a result, at least in sheltered applications, code 4 lead can be used in almost every aspect of pitched roofing.  Whether it be for vertical cladding, dormer roofs and cheeks, chimney, hip, ridge, apron or cover flashings can all use code 4 lead as can weatherings to cornices, parapet walls and projections, or in pitched valley gutters.

We still wouldn’t advise using code 4 lead when the application is exposed to more severe weather or on a historical building and if using lead for parapet, box or taper gutters where a thicker gauge (code 5 - code 8) is recommended.

The increased thickness also means that code 4 lead has increased resistance to thermal movement and therefore the maximum length of flashing can be increased by 50% over code 3 lead to 1.5metres.

It is always worth remembering that when chasing out brick or stonework, you should avoid pointing with mortar and instead use a lead sealant that allows for thermal expansion and contraction

JJ Roofing Supplies standard roll lengths of 3 and 6 metres will therefore give you either 2 or 4 lead flashing strips that will help waterproof your roof for generations.