Thru-Wall Flashing is typically an after-thought on a project. The total cost is often amounts to a rounding error so contractors and designers rarely scrutinize their Thru Wall Flashing system. Until it goes wrong. Anyone who has had a flashing problem gets a case of the “shouldas.” As water leaks into their building, wetting drywall, damaging windows they think “I shoulda spent the extra nickel per sq ft to buy a material that would actually perform.”
So the question you have to ask yourself before you cheap out and buy some bargain basement flashing material is: “Do I Feel Lucky?”
Just to illuminate the features, benefits, and cost of different flashings, York Manufacturing came out with this awesome grid. Take a look and see what a minimal increase in material cost gets you in terms of performance.
