Manufactured to Australian Standard AS 1804-1976
Can be used as a dampcourse in brickwork to provide a moisture barrier
Can be used as a flashing – particularly on roof applications around penetrations and gables on buildings
The inert nature of lead makes it ideal for lining of chemical tanks
The density of sheet lead makes it ideal for sound proofing as well as a barrier to low level radiation such as in x-ray rooms

Sheet lead is a soft, ductile and inert material. Manufactured by either milling (rolling) from cast slabs or direct casting from molten metal into a continuous sheet form, it is extremely versatile and can be used in several applications, including as a damp course in brickwork, sound proofing, barrier to low-level radiation, lining of chemical tanks and most notably as roof flashing.

When used in roof flashing, sheet lead’s durability enables it to withstand years of exposure to the elements in all sorts of environments, giving timeless protection. Softness and ductility allow easy forming of sheet lead to suit all roof profiles and its weight ensures that it stays in place even in strong winds.

Lead Sheet Applications

Sheets of lead for sale in Australia are widely used and highly popular for various applications, some of which include:

Roofing/Flashing – Protects joints and penetrations from water damage, handles temperature fluctuations, prevents cracks, and outlasts other materials
Radiation Shielding – Can be used to create lead lined walls and leaded glass, reducing healthcare workers’ exposure to harmful radiation
Waterproofing – Creates an impermeable barrier against groundwater for underground storage facilities, parking garages, tunnels and other construction work
Soundproofing – Absorbs and dampens sound waves that otherwise cause stress and permanent hearing loss for people nearby

Lead Sheet – Premium Roll & Sheet Lead for Flashing & Roofing

Lead sheet remains a trusted material in roofing and flashing solutions due to its durability, malleability and excellent weather resistance. Available at Singh Roofing Supplies in both roll and flat-sheet formats, our lead sheet is ideal for chimney flashings, valley linings, roof penetrations and bespoke waterproofing applications.

Material & Performance

High-purity lead: Australian-grade, eco-friendly rolled lead in compliance with standards.
Coated finish: Some suppliers offer acrylic primer-coated rolls (e.g. 300 mm × 3 m, 1.32 mm thick) to minimise water contact and reduce environmental leaching
Thickness range (by “code” / nominal lbs per sq ft):
- Code 3 – 1.32 mm (~15 kg/m²) suitable for small flashings
- Code 4 – 1.80 mm (~20 kg/m²), Code 5 – 2.24 mm (~25 kg/m²)
- Code 6 – 2.65 mm (~30 kg/m²), Code 7 – 3.15 mm (~36 kg/m²), Code 8 – 3.55 mm (~40 kg/m²)
Sheet formats: standard sizes such as 600 mm × 600 mm sheets weighing ~15 kg each

Available Options

Format	Standard Sizes & Formats	Typical Thicknesses
Lead rolls	230 mm–600 mm width × 3 m, 6 m, or longer	Codes 3–8 (1.32–3.55 mm)
Flat sheets	600×600 mm, 30”×30”, 36”×36” (as cut-to-size)	Commonly 1/16″ ( ~1.6 mm, 4 lb/ft²)
Custom cuts	Any width up to 4 ft × 20–25 ft rolls	Any thickness within code range

Benefits

Easily formed & shaped: pliable enough for intricate chimney, valley or roof corner work
Exceptional longevity: inherently waterproof, corrosion-resistant, and retains performance for decades.
Compliant & certified: manufactured under recognised quality standards (ASTM B749, BBA certification)
Eco-efficient: fully recyclable; primer-coated options reduce contaminant runoff

Applications

Flashing around chimneys, skylights, vents, roofs, parapets
Valley gutters and box gutters
Roof-to-wall junctions and step flashings
Waterproof lining for tanks, walls and specialist constructions

Installation Advice

Select correct code for thickness—Code 4 or 5 for standard flashings; thicker codes for parapets and valleys.
Ensure flat, clean surfaces before layout or roll bending.
Secure with copper or stainless-steel nails/screws and seal with neutral-curing silicone.
Apply patination oil to delay lead oxide appearance, or allow natural weathering.
Regular maintenance inspections to identify any splits or corrosion, especially near flashings.

Singh Roofing Supplies’ Lead Sheet range offers quality-tested, Australian-grade lead for roofing professionals. Available in rolls and sheet formats, across standard codes, it delivers traditional durability, adaptability to complex profiles and long-term waterproofing—ideal for reliable flashing, valley linings, chimney detailing and more. Contact us for custom sizing or cut-to-length requirements.