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OSI GS121 Gutter & Seam Sealant Cartridge, White-12/18/2014


Products in this Consumer Product Information Database (CPID) are classified based on their composition:
Substances: single chemicals
Preparations: products which contain chemicals that can be easily separated during normal use

Articles: products or product assemblies that do not contain chemicals that can be separated out from the product or assembly under normal or advertised use.



Indicates country where product is sold.

Brand Information
Date entered: January 16, 2015

OSI GS121 Gutter & Seam Sealant is composed of high quality resins and polymers which cures to form a tough, rubbery seal. This seal expands and contracts with the change of weather and temperature without cracking. Formulated especially for sealing aluminum, galvanized and vinyl clad gutters and downspouts.

Purpose of product.

Gutter and downspout sealant.

Structure such as solid, liquid, aerosol etc.

Customer Service No: 800-624-7767
Manufacturer Information

Date when validity of Material Safety Data Sheet (MSDS) or Safety Data Sheet (SDS) was last verified.

Date verified: March 02, 2017
OSI Sealants, Inc

One Henkel Way  
Rocky Hill CT 06067

^ 440-250-7873
800-624-7767 (TOLL FREE)