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Technical Bulletin

Installation Guide for Owens Corning

Light Density Fiberglas Building Insulation

OWENS CORNING INSULATING SYSTEMS, LLC

ONE OWENS CORNING PARKWAY

TOLEDO, OHIO 43659

1-800-GET-PINK

ww w.owenscorning.com

Pub. No. 10017858-A. Printed in U.S.A.October 2015. THE PINK PANTHER

™

Disclaimer of Liability

Technical information contained herein is furnished

without charge or obligation and is given and accepted

at recipient’s sole risk. Because conditions of use may

vary and are beyond our control, Owens Corning makes

no representation about, and is not responsible or

liable for the accuracy or reliability of data associated

with particular uses of any product described herein.

Please contact 419-248-6557 for additional information. Email: gettech@owenscorning.com

varies by product type and application

– open cavity vs. closed cavity – so

it is crucial that the installer follow

the coverage data. Coverage charts

are printed on all loose ll product

packaging, on “attic cards” (as

required by building codes) and on

the manufacturer’s “Fact Sheet” (as

required by the FTC’s regulation

on labeling and advertising of home

insulation).

Open cavity applications are done

in attics, on  at ceilings or vaulted

ceilings with a maximum slope of

5/12. Prior to installing the loose ll

insulation, the attic space must be

prepared by:

• Sealing any penetrations

through the ceiling plane, to

minimize air leakage between

the conditioned living space

below and the unconditioned

attic space.

• Installing vent baf es in each

rafter / truss bay to ensure

ventilation of the attic space by

allowing the free  ow of air in

through the vented sof t and

out through the ridge, gable

end or square roof vents.

Closed cavity applications are used

for wall,  oor and cathedral ceiling

assemblies. In new construction, the

open side of the cavity is covered

with a fabric that contains the loose ll

insulation until the drywall or other

 nish material is installed. The blowing

machine hose nozzle is inserted

through the fabric and the cavity  lled

with the amount of material needed

to achieve the desired R-value, per the

coverage chart.

When retro tting existing buildings

access to the cavity spaces is gained

by drilling small (~2” dia.) holes from

either the exterior or interior of the

assembly, or when practical, through

the wall assembly top plate. Fill cavities

per applicable coverage chart data.

[NOTE: for this application method,

the use of infrared thermography

equipment is helpful in identifying

any areas that were not accessed or

completely  lled.]

Reference Documents

• ASTM

C 1320 – Standard Practice

for Installation of Mineral Fiber Batt

and Blanket Thermal Insulation for

Light Frame Construction

• NAIMA

publication BI-402 –

Recommendations for Installing

Mineral Fiber Insulation in

Residential and Other Light-Frame

Construction (Fiber Glass Home

Insulation)

• NAIMA publication BI-403 –

Recommendations for Installing

Mineral Fiber Insulation in

Residential and Other Light-Frame

Construction (Fiber Glass Loose Fill

Insulation)

• Mortgage Industry National Home

by RESNET

iii

i ASTM Intl; West Conshohocken, PA; http://www.astm.org/index.shtml

ii North American Insulation Manufacturer’s Association; Alexandria, VA; http://www.naima.org/index.php

iii Residential Energy Services Network; Oceanside, CA;

http://www.resnet.us/standards/RESNET_Mortgage_Industry_National_HERS_Standards.pdf