Fire Protection of Construction Joints

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Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Fire Protection of Construction Joints

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Answer:

Because
Joints Move and
may present a
weakness in fire
containment

Question:

Why So Much Concern About
Fire
-
Resistive Construction Joints?

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Where Do I Find These Applications?

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Construction Joint Terminology

A

A


Overall depth of concrete floor assembly

B


Flute depth

C


Joint width

D


Minimum concrete depth

E
-

Valley

B

C

D

E

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC


Assembly Rating


Movement


Nominal Joint Width


Extension


Compression


Percent (%) Extension / Compression


Mineral Wool Compression


Sealant Depth

Construction Joint Terminology

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Tests for Fire Resistance of

Building Joint Systems

Standards:

ASTM E 1966


UL 2079

Test Items:

Building Joint Systems Including:


floor
-
to
-
floor


floor
-
to
-
wall


head
-
of
-
wall


wall
-
to
-
wall

Report:

Fire rating in hours, i.e., 1, 2, 3 or

4 hours

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Tests for Fire Resistance of

Building Joint Systems


ASTM E 1966 & UL 2079


All Model Building Codes Now Require

Cycling per ASTM E 1399


Time temperature curve (ASTM E 119)


Must meet Assembly Rating (T Rating) criteria


250
°

F + ambient average (ASTM E 1966)


Any 1 thermocouple over 325
°

F + initial temp (UL 2079)


Hose stream applicable to walls and wall tops

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Building Construction and

Materials Fire Tests:

Joint Systems (ASTM E1966, UL 2079)

ASTM E 119

UL 263

NFPA 251

Fire Inside

Through
-
Penetration

Firestop: (ASTM E 814,


UL 1479)



Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

ASTM E 1399



Rate

Joint Type

No. of Cycles

(Cycles/Min.)

Thermal Expansion/Contraction

500

1

Seismic

100

30

Wind Sway

500

10

Combination

100

30


400

10

Cyclic Movement and Measuring the Minimum and
Maximum Joint Widths of Architectural Joint Systems

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Joints in Action

Minimum Joint Width:

Sealant


Compressed
-

thickest

Mineral wool


Compressed
-

most dense

Nominal Joint Width:

Sealant


As installed

Mineral wool


As installed

Maximum Joint Width:

Sealant


Stretched
-

thinnest

Mineral wool


Stretched
-
least dense

Floor/wall assembly

Backer (Mineral Wool)

Firestop

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Letters

FF
-

Floor to Floor

FW
-

Floor to Wall

HW
-

Head of Wall

WW
-

Wall to Wall


D
-

Dynamic

S
-

Static

Numbers

0000
-

0999
<

2”

1000
-

1999 < 2”
<

6”

2000
-

2999 < 6”
<

12”

3000
-

3999 < 12”
<

24”

4000
-

4999 < 24”

Underwriters Laboratories Inc.

How Firestop Joint Systems are
Listed

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

For proper installation
practices, always refer to
manufacturer’s
installation instructions
and test laboratory listing.

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Fluted Deck with Sprayed
-
On Fireproofing

Concrete

Fireproofing

Firestop

Spray

Mineral

Wool

Packing

Fire Rated

Block Wall

Wall Parallel

to Flutes

Firestop

Spray

Fireproofing

Mineral

Wool

Packing

Concrete

Wall Perpendicular

to Flutes

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

About the IFC

The International Firestop Council is a not
-
for
-
profit association of manufacturers,
distributors and installers of fire protective materials and systems.


IFC's mission is to promote the technology of fire containment in modern building
construction through research, education and development of safety standards and
code provisions.

Website
-

www.firestop.org

Email
-

Info@firestop.org

Voting Members

Saving Lives and Property

Through Fire and Smoke Containment

©2004 IFC

Available educational seminars on
our website include…..


Firestop 101


An introduction to firestopping


Perimeter Curtain Wall Fire Protection


Firestop System Selection


Flexible Duct Wrap Systems


Fire Protection of Construction Joints