Section 2: Individual LEED Credit Reviews
LEED Credit EQ-4.1:
In almost all product categories, adhesives and
sealants are readily available that meet the
Low-Emitting Materials
referenced VOC limits. In many cases (e.g., carpet
and resilient flooring adhesives), low-VOC
Adhesives and Sealants
formulations have become the manufacturer's
standard products.
To ensure that the credit is achieved, project teams
Intent
will need to include specific VOC limits in the
Reduce the quantity of indoor air contaminates
project specifications for the targeted adhesive and
that are odorous, potentially irritating and/or
sealant products. During construction, the project
harmful to the comfort and well-being of
team will need to review product submittals to
installers and occupants.
confirm VOC content compliance.
Requirement
Basis for Cost Assumption
The VOC content of adhesives and sealants used
As low-VOC adhesives and sealants are widely
must be less than the current VOC content
available, there is no construction cost premium
limits of South Coast Air Quality Management
assumed for this credit. The development of
District (SCAQMD) Rule # 1168, AND all
additional specification language, and subsequent
sealants used as fillers must met or exceed the
submittal reviews, is addressed as part of the soft
requirements of the Bay Area Quality
cost analysis in Section 4 of this report.
Management District Regulation 8, Rule 51.
Summary of First Cost Impacts
(1 point)
Courthouse (New Construction, 262,000 GSF)
Cost Impact = 2
No identified cost premiums.
1
2
3
4
5
Office Building (Modernization, 306,600 GSF)
GSA
No
Low
Moderate
High
No identified cost premiums.
Standard
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Additional Considerations
Practical Applications
None identified.
This credit requires the selection and specification
of adhesives and sealants that meet the referenced
Synergistic Credits
VOC limits. The requirements apply only to those
adhesive and sealant products used in interior
applications. These would typically include:
None identified (with construction cost impacts).
Flooring adhesives (carpet, resilient flooring,
wood, tile, etc.)
Wall covering adhesives
Caulks/sealants used at drywall, millwork ,
and casework joints
Interior glazing sealants
Plumbing fixture adhesives and sealants
Ductwork and other HVAC-related
adhesives and sealants
GSA LEED COST STUDY
140
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