Trending Of What Is The Purpose Of Lead Flashing Free Download. For the purposes of this chapter only the term flashing is used. It prevents the impact of water penetration and ensures that any parts surrounding your roof are not affected or damaged.
The purpose of lead chimney flashing is to form a water proof bridge between the sides front and back of the chimney and the roof structure and is normally constructed out of lead. The Purpose of Roof Flashing. Nowadays its still widely used for roofing and weatherproofing jobs most commonly on dormer windows flat roofs and chimneys.
The purpose of the lead covering is to prevent rainwater from leaking into the attic and resulting in roof rot.
Over time trapped water leads to decay-not only in wood building materials but even in metal fasteners that hold the deck together. Without a flashing fitted rain water would run down the chimney or the higher area of roof tiles and just disappear into the house interior where the chimney rises through the roof. Once known as milled lead rolled lead has been produced since the mid-1700s. Lead flashings are a common sight on almost all roof types and are a fundamental element in providing waterproof protection to roofing systems.