Dow GREAT STUFF PRO™ - Manual

installation recommendations for
GREAT STUFF PRO™ Gaps & Cracks
Insulating Foam Sealant
The instructions outlined here
describe how to use GREAT STUFF
PRO™ Gaps & Cracks Insulating
Foam Sealant to fill gaps and cracks
around the home. GREAT STUFF
PRO™ Gaps & Cracks is also an
effective fireblock penetration sealant
(US only). Designed to fill gaps
up to 3" (75 mm), GREAT STUFF
PRO™ Gaps & Cracks expands to
take the shape of cracks and voids,
forming a permanent, airtight and
water-resistant bond to vinyl, wood
and metal surfaces.* Once cured, it
remains soft and flexible, permitting
natural expansion and contraction of
surrounding surfaces.
To determine the amount of GREAT
STUFF PRO™ Gaps & Cracks re-
quired for an application, see Table 1.
Safety and
Conditions
of Use
• Read the label and Material Safety
Data Sheet carefully before use.
• GREAT STUFF PRO™ Gaps &
Cracks Insulating Foam Sealant
contains isocyanate and a
flammable blowing agent. Vapor
may travel to other rooms. Ensure
adequate ventilation. Shut off all
pilot lights and extinguish open
flames; eliminate all sources of
ignition before use. Do not smoke
or use lighters or matches while
dispensing foam.
• Do not breathe vapor or mist. Use
in well-ventilated areas or wear
proper respiratory protection.
Isocyanate is irritating to the
eyes, skin and respiratory system,
and may cause sensitization by
inhalation or skin contact.
• GREAT STUFF PRO™ Gaps &
Cracks is very sticky and will
adhere to most surfaces and skin.
Do not get foam on skin. Wear
gloves, and goggles or safety
glasses. Cured foam must be
mechanically removed or allowed
to wear off in time.
• The contents are under pressure.
The can may burst if left in areas
susceptible to high temperatures,
such as motor vehicles, or near
radiators, stoves or other sources
of heat. Do not place can in hot
water. Do not puncture, incinerate
or store at temperatures above
120°F (49°C).
• GREAT STUFF PRO™ Gaps &
Cracks may be used on vinyl,
wood, composite and metal
(aluminum or steel) substrates.
The product adheres best when
surfaces are clean and free of oil
or chemicals.
• Extremely cold temperatures can
affect dispensing performance.
• Skin of cured foam can discolor if
exposed to direct or continuous
sunlight for 24 hours or more.
Foam should be painted or
coated if prolonged exposure to
sunlight is expected.
• Using one of the PRO Series
foam dispensing guns (shown in
Figure 1) simplifies the application
of GREAT STUFF PRO™ Gaps &
Cracks Insulating Foam Sealant.
In addition to enabling pinpoint
application control, an airtight
and moisture-tight seal between
the gun and the can prevents the
foam from curing and blocking
the dispensing valve.
U S / C A n A D A . InSTALLATIOn InFORMATIOn . RESIDEnTIAL
Figure 1
Pro 13 Pro 14 Pro 15
TAblE 1: Estimated Yields for
GREAT STUFF PRO™ Gaps & Cracks Insulating Foam Sealant
CAn SIzE, Oz (G) DElIVERy yIElD (1) ,
LInEAR FEET (M)
ESTIMATED CAULk
EqUIVAlEnCy, qUART TUbES
24 (680) Reusable straw 775 (236) 18
24 (680) Gun 970 (296) 22
30 (850) Reusable straw 965 (294) 22
30 (850) Gun 1,450 (442) 33
(1) Estimated yield under ideal conditions, 3/8" (1 cm) diameter bead.
®™Trademark of The Dow Chemical Company (“Dow”) or an affiliated company of Dow
*For cavities, cracks and penetrations larger than 3" (75 mm), Dow recommends FROTH-PAk™ Foam Sealant or FROTH-PAk™ FS Foam Insulation. For window and door framework, minimal-expanding GREAT STUFF PRO™
Window & Door Insulating Foam Sealant is proven not to distort or bow the framework, when properly applied.