Downspouts. 1. Join sections with 1-1/2-inch telescoping joints.
2. Provide hangers with fasteners designed to hold downspouts securely to walls.
Downspouts. 1. The aluminum used is alloy 3105-H24 which meets the specifications set forth in the “Aluminum Standards and Data 1988” published by the Aluminum Association. The gauge of the aluminum for the pipe is .024, plus or minus .002.
2. The surface of the aluminum sheet is thoroughly cleaned and dried to remove impurities and coated with Betz Metchum Permatreat 1500/3000 non-cyanide chromate conversion coating.
3. A thermo setting polyester enamel is roller coated and baked at high temperatures for the outside coating. The reverse side of the coil, or wash coat, is a thermo setting polyester enamel applied to help resist corrosion.
4. The color range of the applied finish is .8 mils, plus or minus .2 mils. (1.0) 5. Made in the USA 6. Paint to match existing building color
Downspouts. Rectangular closed-face with mitered elbows, manufactured from the following exposed metal. Furnish wall brackets of same material and finish as downspouts, with anchors. All downspouts tied in to storm system shall have cleanouts with covers.
a. Formed Aluminum: 0.032 inch thick.
b. Extruded Aluminum: 0.032 inch thick.
c. Prepainted, Zinc-Coated Steel: 0.034 inch thick.
d. Copper: 16 oz./sq. ft.. PART 3 - EXECUTION
Downspouts a. Provide elbows at base of downspouts at grade to direct water away from building or connect downspouts to underground drainage system where required.
b. Provide hangers with fasteners designed to hold downspouts securely to walls and 1 inch away from walls. Locate hangers at top and bottom and at approximately 60 inches o.c.
Downspouts. Join sections with 1-1/2-inch telescoping joints.
Downspouts. Provide aluminum sheet or strip of 5005-H154 alloy, with smooth finish; downspout thickness of 0.05-inches; conductor head thickness of 0.05-inches minimum; scupper of 0.05-inches minimum.
Downspouts. Fabricate aluminum sheet using double flat-lock seams. Rivet joints where necessary for strength. Pop rivets are not acceptable.
Downspouts. Condition: Satisfactory Comments: Trim Condition: Satisfactory Type:Wood, Concrete Comments: Xxxxx & Soffits Condition: Satisfactory Comments: Chimneys Condition: Satisfactory Type:Metal Comments:
Downspouts. 1. Fabricate from the following material:
a. Prefinished Aluminum: 0.027 inch thick.
2. Fabricate or roll-form:
a. Dimensions: match existing.
b. Style: Rectangular; corrugated
3. Fabricate solid elbow units to extend 6-inches minimum, in each direction, measured from the center of the joint. Fabricate using the applicable solid joint procedure described below.
4. Solid joints:
a. Lap sheet metal sections 2-inches, minimum.
b. Fasten with pop-rivets on 2-inch maximum centers.
Downspouts. At installation, join sections using the lapped joint procedure described above.
