Application Instructions:

Remove any old caulk, glazing, putty or peeling paint*. Clean rusted surfaces by wire brushing and prime with rust preventative primer. No primer is needed on clean, bare wood. GC-17 should only be applied in dry weather at temperatures above 40˚F (4˚C). Do not use this product when rain is expected within 24 hours.
Load cartridge into caulking gun. Puncture inner seal by inserting long nail or wire into nozzle. Using consistent pressure, apply continuous bead to area.
WARNING! If you scrape, sand, or remove old paint, you may release lead dust or fumes. LEAD IS TOXIC. EXPOSURE TO LEAD DUST OR FUMES CAN CAUSE SERIOUS ILLNESS, SUCH AS BRAIN DAMAGE, ESPECIALLY IN CHILDREN. PREGNANT WOMEN SHOULD ALSO AVOID EXPOSURE. Wear a properly fitted NIOSH-approved respirator and prevent skin contact to control lead exposure. Clean up carefully with a HEPA vacuum and a wet mop. Before you start, find out how to protect yourself and your family by contacting the USEPA National Lead Information Hotline at 1-800-424-LEAD or log on to www.epa.gov/lead. Follow these instructions to control exposure to other hazardous substances that may be released during surface preparation.