IDEAL Duct Seal is a professional-grade, permanently soft dark gray compound for sealing around electrical openings while helping block air and moisture.
- Application
- Use around junction boxes, flashings, masonry, and service entrances.
- Material
- Non-toxic putty compound that stays soft and can be painted immediately after application.
- Compatibility
- Designed not to corrode metals or adversely affect plastic materials.
- Pack size
- 1 lb block, dark gray.
