---
title: New Firestop Systems – July 2019
description: F-B-5011 – A new firestopping solution for insulated PEX Tubing penetrations within FinFrock Dual Deck floors. A SpecSeal® Cast-In Firestop Device is installed at the bottom slab and SpecSeal® Series SSS, LCI, SIL300 Sealant or grout is installed at the upper slab for max 1 inch diameter PEX tubing with up to 1-1/2 inch thick… Read full article
---

[STI News ](https://www.stifirestop.com/news)

# [New Firestop Systems – July 2019](https://www.stifirestop.com/news/new-firestop-systems-july-2019)

 Written by [STI Firestop](https://www.stifirestop.com/news/author/sti-firestop) | Jul 14, 2019

F-B-5011 – A new firestopping solution for insulated PEX Tubing penetrations within FinFrock Dual Deck floors. A SpecSeal® Cast-In Firestop Device is installed at the bottom slab and SpecSeal® Series SSS, LCI, SIL300 Sealant or grout is installed at the upper slab for max 1 inch diameter PEX tubing with up to 1-1/2 inch thick fiberglass insulation.

 

[F-B-5011](https://files.stifirestop.com/1.%20System%20PDF%20Files%2F1.%20UL%20and%20cUL%20Systems%2Ffb5011_DL.pdf)

[View full post](https://www.stifirestop.com/news/new-firestop-systems-july-2019)

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