Home Roofing and False ceiling Flat Roof Materials Commercial Roofing Chasenw Torchdown Flat Roof Materials B&q Tpo List Comparison 2012 08 15 09 28 19
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Sheet metal in the form of copper and lead has also been used for many hundreds of years. Both are expensive but durable, the vast copper roof of Chartres Cathedral, oxidised to a pale green colour, having been in place for hundreds of years. Lead, which is sometimes used for church roofs, was most commonly used as flashing in valleys and around chimneys on domestic roofs, particularly those of slate. Copper was used for the same purpose.