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 Duct Sealant & Aluminum Foil Tape

601 Duct Sealant
Premium Indoor/Outdoor Flexible
Water Based Duct Sealant

Specifications Compliance: Passes ASTM C-731, ASTM D-2202. USDA, EPA and FDA Approved. A versatile, all purpose, fiber-free, duct sealant for use on all types of metal duct, glass fiber duct board, flex duct, duct fabric and flexible tubing runouts. Distinguished by its ability to accommodate minor vibration and movement, S2 – 601 stays flexible to save call-back labor. S2 – 601’s excellent coverage and easy brush-on application provide low installation cost while providing proven reliability.
Specifications Compliance:
Passes ASTM C-731, ASTM D-2202. USDA, EPA and FDA Approved.

321 Duct Sealant
Fiber reinforced Indoor/Outdoor Water Based Duct Sealant

S2 – 321 is an all purpose industrial grade duct sealant for all types of metal duct, glass fiber duct board, and flex duct, as well as duct fabric and flexible tubing run-outs. It includes UV inhibitors for extended outdoor exposure and built-in fiber reinforcement for added strength. This non-toxic water based product is solvent free and is suitable for residential use.
Specifications Compliance: Passes ASTM D-2202, ASTM C-731. USDA, EPA and FDA Approved

Application Data for 601 and 321 Duct Sealants

Color ………………………………………………………………………………………………………………. Gray
Application/Storage Temperature …………………………………………………………. 35° F to 110° F
Service Temperature ……………………………………………………………………………. -20° F t0 200° F
Pressure Classes …………………………………… SMACNA 1/2, 1, 2, 3, 4, 6 and 10 inches w.g.
Seal Classes ……………………………………………………………………………………… SMACNA A, B, C.
Method …………………………………………………………………… Brush, putty knife, caulk gun, pump
Rate …………… Apply at joint and fastener to 20 mil thick wet film after duct work installed
Clean up (wet) ……………………………………………………………………………………… Soap and water
Packaging …………………………………………………………………………. 10 ounce tube; 1 gallon can
Coverage (1 gallon) ………………………………………………………………… 500 feet x 2 inches wide
Coverage (1 tube) ……………………………………….. 65 feet at 1/4” bead; 130 feet at 1/8” bead

Sealants and Tapes
Product/
Description
Color-Size Adhesive Thickness/
Tensile-
Strength
Peel Adhesion/
Service Temp.
U.L. Listed/
Flame Spread/
Smoke Devop.
Pressure Class/
Seal Class
Precautions
1520CW Dead-soft aluminum foil; Silicone release liner. Aluminum-2″ x 50yds Cold Weather Acrylic 3.5 mil 27 lbs/inch width 96 oz. per in. width -35 F to 260 F 723 Class A 5 10 None None
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1402AFG Mill finish alum. substrate with gray adhesive sealant Aluminum or Paint-able-1″ x 100ft. 100% solid elastrometric modified butyl 2 mil Aluminum, 15 mil Gray Matter 955 psi avg. 16 lbs. per lin. Inch 35 F to 110 F 723 Class A 20 40 SMACNA 1,2,3,4 and 6 inches w.g. SMACNA A,B,C, Yes See MSD
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