Cable tray seal penetration
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Products - STI Firestop
Product Data Sheets
Description: Under fire exposure, the intumescent pads expand and swell resisting the passage of smoke and flame. Detail sheets are documents grouped together with the most commonly used systems in five categories. Firestopping New Cable Installations: This caulking provides a water-and chemical-resistant barrier, making the unit a very effective seal. Water-resistant pads are layered in the frame and coated with a silicone-based sealant to provide a weathertight seal.