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OSI
OSI GS121 Series 1939849 10 oz Cartridge Gray Gutter and Seam Sealant
- Mfg.#
- 1939849
- Sku#
- 3572286
- Permanently flexible, water-resistant seal
- Seals most common gutter and downspout materials
- Expands and contracts with temperature changes
- Cures to a tough rubbery gasket
- Specially formulated for sealing around aluminum, galvanized and vinyl clad gutters and downspouts
* Estimated stock levels as of Sat, Apr 11, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
GENERAL PURPOSE PAINTABLE 10 Ounce Cartridge Color=Aluminum
Specifications
General
| Application Method | Caulking Gun |
|---|---|
| Base Type | SBR Rubber |
| Boiling point | 149° to 154° F |
| Color | Gray |
| Color Family | Black / Gray |
| Composition | Limestone Stoddard Solvent 0.1 Benzene 124- Trimethylbenzene Naphthalene Quartz (SiO2) Ethylbenzene |
| Container Type | Cartridge |
| Curing time | 7 to 14 days |
| Flash Point | 105.01° F |
| Form | Liquid |
| Net Content | 10 oz |
| Odor/Scent | Slight Solvent |
| Specific Gravity | 1.271 |
| Temperature Rating | 40° to 120° F |
| Type | Sealant |
| VOC Content | 361 g/L |
Manufacturing Details
The following information is subject to change without notice
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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OSI
OSI GS121 Series 1939849 10 oz Cartridge Gray Gutter and Seam Sealant