b'Acurlite Structural Skylights, Inc.8 Installation Manual 9Standard Extrusions and Accessories Typical FastenersDESCRIPTION SIZE MATERIAL /TYPICAL FINISH APPLICATION3 x1-5/8 2-1/2 x1-5/8 Various flashing 2-1/2 x2-1/2 Rafter Rafter Pop Rivet 1/8 x 1/4 Grip Aluminum attachmentsRafter2-1/2 x4 Phillips pan headDiameter variesVarious flashing and Rafter sheet metal screws x Stainless Steel structural attachments1/22-1/2 x6Rafter Hex washer head selfDiameter varies Various structural and non drilling screw x Steel / Zinc structural attachments2-1/2 x8 Length variesRafterPhillips pan head#12 sheet metal screw w/xStainless Steel Attach to pressure cap bonded washer Length varies2-1/2 x12 2-1/2 x1 2-1/2 x2-1/2 2-1/2 x4 2-1/2 x6 Hex washer head1/4-20Various structural and non Rafter Purlin Purlin Purlin Purlin thread cutting screw xSteel / Zinc structural attachmentsLength variesPhillips flat head1/4-20 x 3/4Steel / Zinc Attach structural seal flange thread cutting screw to framing membersPressure Cap Structural Seal Flange 6 Lobe drive truss head thread rolling3/8-16 x 1 Steel / Zinc Gusset plate connectionsscrewCover/ Beauty CapInternal U-ChannelHex head cap screwDiameter varies Steel / Zinc w/ lock washer, flatx orStructural connectionsCompression Ring washers and nut Length varies Stainless SteelDiameter varies Steel / ZincStructural wood Hex head lag screw x connectionsLength variesStandard Silicone Gasket Tall Silicone Gasket1/4 Thick Silicone Setting Block Backer Rod Threaded rod w/ lockDiameter varies Steel / ZincStructural masonryHeight will vary depending on7/8 Dia. Standard washer, flat washerx orconnectionsglazing thickness. May vary depending and nut Length varies Stainless Steelon glazing thickness.www.acurlite.com570.759.6882'