We are required to fire caulk around our fire place vent locations at exterior wall penetrations and we want to protect the fire caulking with a silicone based sealant at the weather barrier plane, in a rain screen system. Is silicone (DOWSIL 791, or DOWSIL 795)compatible with the Hilti 606 product?
Greetings Frank. Thank you for checking out ASK Hilti! We will need to evaluate compatibility independently for each product from some other manufacture and Hilti's products. Please work with you local Hilti rep to check on compatibility. You can find out who your local rep is by contacting our customer service team at 1800-879-8000.
Thank You for choosing Hilti as your Firestop Experts!
Best Regards,
Raymond Prescott V,
Fire Protection Engineering Team