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B. Penetrations: Where ducts pass through interior partitions and exterior walls, and are exposed to view, conceal space between construction opening and duct or duct insulation with sheet metal flanges of same gage as duct. Overlap opening on 4 sides by at least 1-1/2". Fasten to duct and substrate. Provide fire or fire-smoke dampers as
Finishes for Surfaces Exposed to View: Mill phosphatized. More details » Get Price. Read SECTION 15815 - METAL DUCTS. Readbag users suggest that SECTION 15815 - METAL DUCTS is worth reading. ... EXPOSED DUCT, WI MILL PHOSPHATIZED FINISH. More details » Get Price. SECTION 07600 - FLASHING AND SHEET ... - City of San Diego. mill phosphatized ...
ADMP - 6401 Long Point Rd. Suite 506, Houston, TX 77055 (P) 832.519.9746 (F) 832.667.8571 (E) [email protected]
Exposed-Surface Finish: Mill phosphatized. Structural Steel Shapes and Plates: Comply with ASTM A36/A36M. Provide zinc rich weldable primer finish unless otherwise scheduled. Acoustical Air Plenums. Duct silencers, with testing-verified performance, can attenuate sound better than many duct design features where performance is only approximated.
SSPC-SP7/NACE 4: Brush-off blast cleaning to eliminate contaminants visible without magnification; mill scale, coatings, and rust may remain if they cannot be removed with a dull putty knife SSPC-SP10/NACE 2: Near-white blast cleaning to eliminate unmagnified visible contaminants of .
Paintgrip material is phosphatized – sometimes referred to as "bonderized" ‐ at the mill which allows the user to paint in the as‐received condition. This phosphate coating provides enhanced paint adhesion and improved corrosion resistance
have mill-phosphatized finish for surfaces exposed to view. C. Reinforcement Shapes and Plates Galvanized-steel reinforcement where installed on galvanized sheet metal ducts. D. Tie Rods Galvanized steel 1/4-inch minimum diameter for lengths 36 inches or less 3/8-inch minimum diameter for lengths longer than 36 inches.
Galvanized sheet steel with a mill‐phosphatized finish is used for ducts exposed to view and aluminum sheet is used for concealed ducts. It meets section 5.5 as an exception for resistance to mold growth and erosion. Other duct accessories are made to comply with standard test methods.
Low & Medium Pressure Acoustically Lined Spiral Duct & Fittings – CLM-0789 Exposed Spiral Pipe – Paint Lock, Paint Grip, Mill-Phosphatized Exposed Low Pressure Fittings, Paintlock Round
Galvanized Sheet Steel Lock-forming quality ASTM A653 G90 coating designation mill-phosphatized finish for surfaces of ducts exposed to view Carbon-Steel Sheets ASTM A366 cold-rolled sheets commercial quality with oiled exposed matte finish Stainless Steel ASTM A480 Type 316 sheet form with No 4 finish for surfaces of ducts exposed to view and Type 304 sheet form with No 1 1-1/4 ounces per ...
2. Finishes for Surfaces Exposed to View: Mill phosphatized. C. Stainless-Steel Sheets: Comply with ASTM A480/A480M, Type 304 or 316, as indicated in the "Duct Schedule" Article; cold rolled, annealed, sheet. Exposed surface finish shall be No. 2B, No. 2D, No. 3, or No. 4 as indicated in the "Duct Schedule" Article.
2. Exposed-Surface Finish: Mill phosphatized. C. Reinforcement Shapes and Plates: Galvanized-steel reinforcement where installed on galvanized sheet metal ducts; compatible materials for aluminum and stainless-steel ducts. D. Tie Rods: Galvanized steel, 1/4-inch minimum diameter for lengths 36 inches or less; 3/8-inch minimum
Exposed-Surface Finish: Mill phosphatized. C. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304, and having a [No. 2]
1. Exposed-Surface Finish: Mill phosphatized. C. Stainless-Steel Sheets: Comply with ASTMA 480/A 480M, Type 304 except for Lab exhaust, which shall be Type 316. D. Aluminum Sheets: Comply with B 209, Alloy 3003, TemperASTM H14; with mill finish for concealed ducts and standard, 1-side bright finish for exposed ducts.
A. Galvanized Steel Ducts: Lock-forming quality; ASTM A 653/A 653M, G90 (Z275) coating designation; mill-phosphatized finish for surfaces of ducts exposed to view. B. Comply with SMACNA's "HVAC Duct Construction Standards--Metal and Flexible" for acceptable materials, material thicknesses, and duct construction methods, unless
coating designation; ducts shall have mill-phosphatized finish for surfaces of ducts exposed to view. C. Stainless Steel: ASTM A 480/A 480M, Type 316, sheet form with No. 4 finish for surfaces of ducts exposed to view; and type 304, sheet form No. 1 finish for concealed ducts.
Aug 01, 2012· designation; mill-phosphatized finish for surfaces of ducts exposed to view. B. PVC-Coated Galvanized Steel: UL 181, Class 1 listing. Lock-forming-quality, galvanized, sheet steel with ASTM A 653/A 653M, G90 coating designation; factory-applied, 4-mil PVC coating on exposed surfaces of ducts and fittings (exterior of ducts
2. Exposed-Surface Finish: Mill phosphatized C. Stainless-Steel Sheets: Comply with ASTM A 480/A 480M, Type 304. D. Aluminum Sheets: Comply with B 209 (ASTMASTM B 209M), Alloy 3003, Temper H14; with mill finish for concealed ducts and standard, 1-side bright finish for exposed ducts.
designation; mill-phosphatized finish for surfaces of ducts exposed to view. B. Reinforcement Shapes and Plates: Galvanized steel reinforcement where installed on galvanized, sheet metal ducts; compatible materials for aluminum and stainless-steel ducts.
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† The use of a "paint grip" or "mill phosphatized" surface is not necessary in order to facilitate surface painting. † Gustafson recommends the use of "DTM" (Direct to Metal) paint products. These paints are available through all major paint manufacturers and are specifically designed to .
2. Finishes for Surfaces Exposed to View: Mill phosphatized. C. Aluminum Sheets: Comply with ASTM B 209 (ASTM B 209M) Alloy 3003, H14 temper; with mill finish for concealed ducts, and standard, one-side bright finish for duct surfaces exposed to view. D. Factory- or Shop-Applied Antimicrobial Coating: 1.
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