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2. Lead burning - Wikipedia

   en.wikipedia.org/wiki/Lead_burning

   Even where lead piping, or lead-sheathed cable, still needs to be jointed, this is carried out with a wiped joint, rather than a burned joint. Wiping a lead joint is a soldering process, using plumber's solder (80% lead / 20% tin) and is carried out at low temperature, with a natural-draught propane blowtorch. Today, even wiped joints are rare ...

3. Covering (construction) - Wikipedia

   en.wikipedia.org/wiki/Covering_(construction)

   The roof covering is the exterior part of the roof and does not contribute to the building's stability. It is designed to endure all weather conditions such as rain, snow, hail, and wind, as well as external environmental factors like marine environments and the weight of maintenance personnel.

4. Flashing (weatherproofing) - Wikipedia

   en.wikipedia.org/wiki/Flashing_(weatherproofing)

   In earlier days, birch bark was occasionally used as a flashing material. [7] Most flashing materials today are metal, plastic, rubber, or impregnated paper. [8]Metal flashing materials include lead, aluminium, copper, [1] stainless steel, zinc alloy, other architectural metals or a metal with a coating such as galvanized steel, lead-coated copper, anodized aluminium, terne-coated copper ...

5. U.K. Thieves Use Google Earth to Spot Lead Roofing to Steal - AOL

   www.aol.com/news/2011-02-03-u-k-thieves-use...

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6. Lead abatement in the United States - Wikipedia

   en.wikipedia.org/wiki/Lead_abatement_in_the...

   It requires specialized techniques that local construction contractors typically do not have. It includes activities such as lead-based paint inspections, risk assessments and lead-based paint removal. In the United States, lead abatement activities are regulated by the United States Environmental Protection Agency (EPA). Individuals and firms ...

7. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.

8. Notre Dame's fire-ravaged roof rebuilt using medieval techniques

   www.aol.com/news/time-machine-rebuilding-notre...

   SAINT-LAURENT-DE-LA-PLAINE, France (AP) — If time travel was possible, medieval carpenters would surely be amazed to see how woodworking techniques they pioneered in building Notre Dame ...

9. Architectural metals - Wikipedia

   en.wikipedia.org/wiki/Architectural_metals

   Copper belfry of St. Laurentius church, Bad Neuenahr-Ahrweiler Metals used for architectural purposes include lead, for water pipes, roofing, and windows; tin, formed into tinplate; zinc, copper and aluminium, in a range of applications including roofing and decoration; and iron, which has structural and other uses in the form of cast iron or wrought iron, or made into steel.