sound transmission class for masonry walls. 2 standard method for determining the sound transmission...
TRANSCRIPT
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TMS 0302
1.0 Scope
2.0 Referenced Standards
3.0 Notations
4.0 Definitions
5.0 Materials
6.0 Construction
7.0 Quality Assurance
8.0 Sound Transmission Class (STC) Rating
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TMS 03021.0 SCOPE
• Minimum requirements for STC
• Field or laboratory standard test methods, or
• Calculation procedure
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Shall comply with the following ASTM standards:
• C34, C55, C56, C62, C73, C90, C126, C129, C212, C216, C652, or C744
TMS 03025.1 MASONRY UNITS
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Hollow units – face shell mortared head and bed joints
Solid units – full mortared head and bed joints
TMS 0302 6.1 PLACING MORTAR AND
MASONRY UNITS
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Completely seal through-wall openings.
Prior to sealing fill gaps with:• Foam
•Cellulose fiber
•Glass fiber
•Ceramic fiber
•Mineral wool
TMS 03026.2.1 SEALING OPENINGS AND
JOINTS
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Completely seal partial-wall penetration openings and inserts.
TMS 03026.2.2 SEALING OPENINGS AND
JOINTS
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Seal the following w/elastomeric joint sealants (ASTM C920):•Control joints
• Expansion joints
• Top of walls and roof
•Roof assemblies
TMS 03026.2.3 SEALING OPENINGS AND
JOINTS
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Fill joint space behind sealant with:•Mortar
•Grout
• Foam
•Cellulose fiber
•Glass fiber
•Mineral wool
TMS 03026.2.3 SEALING OPENINGS AND
JOINTS
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Determine in accordance with: 8.1 Laboratory testing – ASTM E 90
8.2 Field testing – ASTM E413
8.3 Calculation
TMS 03028.0 SOUND TRANSMISSION CLASS
RATING
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For walls greater than 3 inches
STC = 0.18W + 40 (Eq.1)
W = Wall Weight, psf
TMS 03028.3 CALCULATION