delivery. That's why we ask you to tear-off and re-felt the roof before delivery. Any real slate, concrete tile, and/or clay tile orders from any of our Arizona branches... position is this: any roof deck high or steep enough to require staging and safety materials for application also requires much of the same for delivery. With the exception of concrete... tile, it is generally an advantage to our customers that we provide safety, and staging materials, along with Rooftop Delivery. At Roofing Dealers we train our crews on proper...

, such as gas or liquid, without transmission of these particles. ACI: American Concrete Institute Acid Etch: (1) The use of a strong acid to remove the surface of concrete thereby exposing... material installed over the top of a roof membrane to help hold it in place. Ballasts are loose-laid and can consist of aggregate, or concrete pavers. Bar Joist: See Steel Joist... in attaching a primary roof system such as tile. (2) A plastic strip, wood strip, or metal bar which is used to fasten or hold the roof and/or base flashing in place - also known...