Masonry Magazine March 2006 Page. 46
Flashing & Drainage
Termination bar, flashing, mortar deflection, weep hole and stainless steel drip edge.
"There are different advantages of Total Flash to different parts of the construction industry," said Earl Bickett, general manager of MortarNet.
"First, you need to understand that when an architect specifies flashing, say, on a 50-foot wall, they think it's all continuous flashing. What they're intending is that 50 feet of flashing is one piece that they unroll, because it comes in 50-foot rolls or 40-foot rolls. What they often don't know is that it's nearly impossible to have a 50-foot continuous section of flashing. And masons would say that the longest they would get is 10 feet maximum, especially if it's a peel and stick.
"What we've done is said that we'll give them sections. Since they're getting sections anyhow, we'll make them easy to handle and easy to install, and it'll go quickly so it will help bring the cost of the building down.
"Also, we have a very specified lap joint. It's a really great lap joint because it relies on a bead of caulk that will stop any water from going from one panel to the next, and if the water gets past there, there's another bead of caulk. If the water got past that, there's actually a redundant drainage strip the same drainage material that is in the lap area, and we don't think it will ever get wet, but if it got past two beads of caulk it would find that strip and drain. If it got past that, there is a third bead of caulk that sits on top of an end dam. The end dam would slightly raise the back of the flashing to create a hill or a hump and the water would drain down and out and through that redundant drainage strip.
"It's well protected. We're into that; it's what we do. We try to say, let's make this as foolproof as we can because there are so many things that can go wrong when you're building a building. Why take risks you don't have to?
"From a mason's perspective, the masons will benefit from this because the installation is faster. The feedback we've gotten from the masons who have played with this is that it would save half the time, because everything's going in at once."
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