User guide
Dow Building Solutions
Introduction
The FROTHPAK
™
Refill System is a polyurethane foam
dispensing system for users who require large quantities of
foam. The system consists of “A” and “B” chemical tanks,
chemical filters, a high pressure regulator, nitrogen lines,
chemical dispensing hoses, and a Gun/Hose Assembly Kit.
The system requires dry nitrogen for chemical tank pressuriza-
tion and is not supplied.
The FROTHPAK™ Refill System is designed for
ease-of-use. The following instructions should be followed
strictly to ensure maximum equipment performance
and efficiency.
Refill Systems
Manual
FROTHPAK™ Foam Insulation and Sealant
Application guidelines as provided by Dow Building Solutions should
be followed exactly in order to ensure compliance with building codes
and worker safety regulations. Read all information bulletins, (Material)
Safety Data Sheets ((M)SDS) and “Product Information” sheets. The SDS
is available at www.building.dow.com/na/en/literature/index.htm.
Application of this product is considered a “low pressure” process. It is
recommended that workers obtain spray foam training. Workers must be
respirator fit tested. Employers must have a documented respiratory and
personal protective equipment (PPE) plan. See Section 2 for further
PPE information.
FROTHPAK™ Foam Insulation and Sealant contain isocyanate, polyol
and hydroflurocarbon blowing agents. See section 2 for further PPE
information. Do not breathe vapor or spray. Use only with supplied air
or an approved air purifying respirator equipped with an organic vapor
sorbent and a particle filter to maintain exposure levels below ACGIH,
OSHA, WEEL or other applicable limits. For situations where the atmo-
spheric levels may exceed the level for which an air purifying respirator
is effective, use a positive-pressure air supplying respirator. The spray
foam applicator, and anyone within 25 feet of the applicator, must use
an approved air purifying respirator equipped with an organic vapor
sorbent and a particle filter at a minimum. If there is ever a doubt as to the
potential limits for worker exposure, Dow always recommends using the
highest level of worker protection. Additionally, use barrier tape to mark
the working perimeter and install warning signs.
It is important to ensure that the spray area is well ventilated during
application and one hour after spraying. Ventilation in Air Changes
per Hour (ACH):
• During application a minimum of 10 ACH is required. Cross
ventilation is recommended with negative pressure in the
spray area and exhaust to a secured empty area. A commercial
ventilation unit is recommended for increased ventilation rates.
• Continue to ventilate area for at least 1 hour after the job is
completed at no less than 10 ACH.
• Re-entry into an application site less than 1 hour post spray with
proper ventilation requires the use of an approved air purifying
respirator equipped with an organic vapor sorbent and a
particle filter.
• Ensure ventilation hose output is in a safe and secure location that
will not be accessible to individuals without proper PPE in a 25 foot
radius and is not near an air intake for a structure.
Safe Use and Training videos are available on line at:
http://building.dow.com/na/en/tools/training/
2