What is continuous flashing?

What is continuous flashing?

Continuous flashing: Continuous flashing is also called “apron flashing” because it acts a lot like an apron. It’s a long, single piece of metal that carries water down to the shingles below. Long pieces of continuous flashing will have trouble flexing as the home expands and contracts in the changing seasons.

What is the difference between L flashing and step flashing?

The waterproof membrane laid down before the shingles forms the first layer, called the base flashing. One side of the L-shape lays under the shingle, and the other side attaches to the side of the wall. This layer is called the step flashing.

What is stepped flashing?

Stepped flashing: Flashing materials that overlap each other in steps where a junction is on a slope, such as around chimney stacks on pitched roofs. Kickout flashing: The lowermost step flashing at the bottom of roof/wall intersection, used to deflect water away from the wall.

Do I need step flashing?

Step flashing has been required for asphalt shingles at roof-to-wall intersections as far back as the 1986 CABO. Step flashing ensures that any water that migrates underneath a shingle will still end up on top of the flashing that is covering the shingle below. The water can then drain away safely.

Should I replace flashing with new roof?

Typically, we will replace step flashing when doing a new roof. Also, a new flashing should not be layered over the old flashing. Your roof is supposed to have only one layer of flashing at a time. Installing new flashing is the only way that we can guarantee quality outcomes when replacing your shingle roof.

What type of roof flashing do I need?

The most common type of metal used for roof flashing today is steel. It gives you a clean look that fits most budgets. If you want an upgraded look, copper looks great aesthetically and will live longer but is going to cost you more upfront.

What is a soaker flashing?

• Soaker flashing is a located on the underside of the roof cover, e.g. the upper side of a chimney. • Transverse flashing runs across a roof, e.g. ridge capping. • Pressure flashings can only be used on a smooth masonry wall. • Barge capping runs with the roof covering at the end of the roof.

Should I replace my new roof with step flashing?

How much Step flashing is needed?

Step flashing needs to turn up a minimum of three inches up the sidewall. The flashing material should be 4 inches by 7 inches in length when it lies on the roof deck. The 7-inch length ensures a 2-inch headlap on each course. Once complete, the housewrap should overlap the step flashing that’s applied to the wall.

Can I reuse old drip edge?

Existing drip edge, vent flashings, step and counter-flashings may be reused when they are in “like new” condition, meaning that they do not show signs of excessive wear, damage or deterioration (for example, corrosion, rust, scoring, tearing or any physical damage from the roof tear-off).