Product Overview

ManualsBrandsMetacaulk ManualsChemicals & Compounds20.2 oz. 350i Firestop Intumescent Sealant

PRODUCT DATA SHEET

METACAULK

350i

Highly Intumescent Firestop Sealant

Description

Metacaulk® 350i is a one component, general purpose ﬁre rated sealant and smoke

seal for construction joints and through-penetrations. Metacaulk 350i is a water based,

extremely intumescent, non-sag caulking grade sealant that is easy to apply as well

as to retroﬁt. It cures to an elastomeric seal that is suitable where dynamic movement

is expected. In the event of a ﬁre, Metacaulk 350i will prevent the spread of ﬂames,

smoke, hot gases and water through joint openings and through-penetrations. No

dilution or mixing is required for use. No special skills are necessary for installation.

Metacaulk 350i is applied with a conventional caulking gun, bulk loading gun or can be

troweled from the pail. For large applications, it can be pumped directly from the pail.

Metacaulk 350i systems are rated for 1, 2 and 3 hours in accordance with the ASTM E814

(UL1479) and ASTM E1966 (UL 2079) test standards. Metacaulk 350i is protected in a wet

stage as well as in a dry stage against mold growth with a combination of biocides.

Characteristics | Features

• Highly intumescent

• Water based

• Excellent freeze-thaw

• Flexible set

• Paintable

• VOC compliant

• Safe and easy to use

• 3 Year shelf life

• Protected against mold growth

Applications

Metacaulk 350i can be used in interior applications as a general purpose ﬁre rated

sealant and smoke seal for construction joints on both vertical and horizontal

surfaces. Metacaulk 350i is also an excellent ﬁre rated acoustical sealant and can be

used in areas under constant vibration or movement. Metacaulk 350i can also be used

on various penetrations such as EMT, telephone & power cables, insulated pipes, etc.

in concrete ﬂoors and walls, gypsum walls as well as wood ﬂoors. Use Metacaulk 350i

to prevent the spread of ﬁre and smoke through joints in ﬁre rated gypsum wallboard

partitions, concrete block or concrete walls and/or concrete or corrugated steel deck

ﬂoor/ceiling assemblies.

Code Size Qty. per Case Dimensions (in) Cubic Feet

66616 10.3 oz cartridge 12 8x6x12 .34

66611 20.2 oz foil pack 12 9x14x7 .51

66613 5 Gallon 1 13 dia x 14 1.08

Packaging

Installation Data

Install Metacaulk 350i using standard caulking techniques or trowel from pails. Metacaulk 350i may also be pumped from the pails.

When damming materials are needed, use only materials approved for the speciﬁc application.

Consult UL Online Certiﬁcations Directory for complete instructions and system listings.

Summary of content (2 pages)

PAGE 1
PRODUCT DATA SHEET METACAULK® 350i Highly Intumescent Firestop Sealant Description Metacaulk® 350i is a one component, general purpose fire rated sealant and smoke seal for construction joints and through-penetrations. Metacaulk 350i is a water based, extremely intumescent, non-sag caulking grade sealant that is easy to apply as well as to retrofit. It cures to an elastomeric seal that is suitable where dynamic movement is expected.
PAGE 2
Testing Data For specific test criteria, refer to the UL Product iQ or call RectorSeal. Material Properties Asbestos Fillers None Metacaulk 350i was tested at positive pressure with a minimum 0.01 (2.5 Pa) inches water and in accordance with ASTM E814 (UL 1479) and ASTM E1966 (UL 2079). Tested to the time-temperature requirements of ASTM E119 (UL 263).