The best roofing step flashing replace practices are simple and practical, but not always followed unless you are an experienced roofer. The basic rule of thumb for any roofing is that water runs down. That means you need to protect seams in the roof. Almost as important a factor is that the wind and storms usually come from the same direction. That is why it is important to protect any opening in the roof from the direction that the wind is likely to drive rain, snow and hail.

A perfect roof, free from any likelihood of leakage, unless a tree falls on it or hail punches through it is one that is perfectly smooth and seamless; no windows, no skylights, no vents or smokestacks or chimneys. Because that is highly unlikely, a method of preventing water to seep in through the holes in the roof made by installations of equipment, windows and different roof heights is needed. That is where flashing comes in. Step flashing is the method of using protective material to cover a step in the surface of a roof. This could be when a one storey house changes to a two storey or split level or where the sloped roof of a house meets a wall like the garage.

Different materials are used for flashing: metal, plastic, rubber, felt, or even tile. The best roofing material to use is a metal that is treated for resistance to rust. Metal lasts the longest and withstands the wear and tear of extreme heat and cold changes in seasonal transitions the best. The flashing should go up the roof a minimum of three inches and tie into the roofing tile and under the house wrap on the wall for best roofing step flashing replace practices

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