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LINKFLOOR BASE RB UNDERLAYMENT

LINKFLOOR BASE RB UNDERLAYMENT is an acoustical sound dampening membrane particularly developed performance in both concrete and wood frame constructed buildings. Manuf actured from a blend of Stirene anti-stretch receiving substrate. • High acoustic insulation performance in reduced thickness • Quick, easy and precise laying • Resistant to dampness

ROLL LENGTH / 196 7/8"

THICKNESS4mm / 1/6" (3.5mm rubber + 0.5mm felt)

WEIGHT

(1/4 lbs/sq. ft.)

Fig. 1 - Begin by determining the laying

direction of the planks (usually running parallel with the room's main light source). with a perimeter isolation tape.

¼" gap away from the wall.

INSTALLATION

INSTRUCTIONS

Fig. 3 - Roll out the membrane and seal

the jointing edges by removing the self-adhesive strip and taping down along the dotted line. blue material facing up / rubber facing down in the opposite direction of the plank line.

IICAIIC

ASTM E1007-14

LABΖ

FLOOR-CEILING CONSTRUCTION TYPESIMPACT

INSULATION

CLASSIIC DELTAAPPARENT

IMPACT

INSULATION

CLASSIIC DELTA

BARE FLOOR / UNTREATED

INCLUDING LINKFLOOR BASE RB UNDERLAYMENT

ASSEMBLY - BARE FLOOR / UNTREATED

ΖINCLUDING LINKFLOOR BASE

RB UNDERLAYMENT

IIC - IMPACT INSULATION CLASS

with noise caused by dropped objects transferring from a room a standard tapping machine which involves a series of hammers not measure creaking - often associated with wood frame better the impact insulation performance. rating of 45 is similarly acceptable. test. The higher the number the better the impact performance of the applied materials. Acoustical laboratories use the ASTM STC - SOUND TRANSMISSION CLASSSTC is the rating used most commonly in North America to mea- ceiling assemblies. The laboratory test standard is ASTM E90, the radio, barking dogs etc. A rating of not less than STC 50 is mandated by building code, the higher the STC number the better the airborne sound insulation. A

TYPICAL PERFORMANCE

covered in a ¾' gypsum concrete topping are around typically covered in a ¾' gypsum concrete topping are around STC 50.

EXPLAINING SOUND TRANSFER MEASUREMENTS

AVERAGE STC AND IIC RATINGS FOR

UNTREATED FLOOR-CEILING ASSEMBLIES

FIGURE 1 - WOOD FRAME FLOOR-CEILING SYSTEM

STC 53

IIC 28

75 LBS/SQ FT

(DENSITY = 150PCF)

STC 56

IIC 32

100 LBS/SQ FT

(DENSITY = 150PCF)STC 50IIC 3816 LBS/SQ FT

STC 37

IIC 35

9 LBS/SQ FT

6" CONCRETE

8" CONCRETE

3/4" PLYWD SUBFLOOR

WOOD JOIST

AIR SPACE

BATT INSULATION

5/8" GWB

3/4" PLYWD SUBFLOOR

3/4" LIGHTWEIGHT GYPCRETE

WOOD JOIST

AIR SPACE

BATT INSULATION

5/8" GWB

1207.1 Scope

sleeping units or between dwelling units and sleeping units and adjacent public areas such as halls, corridors, stairways or ser- vice areas.

1207.2 Air-borne Sound (STC)

tested in accordance with ASTM E90.

1207.3 Structure-borne Sound (IIC)

Floor/ceiling assemblies between dwelling units and sleeping units or be tween a dwelling unit or sleeping unit and a public or assembly might perform. The information herein is indicative only, if there are doubts about the potential performance of a building we suggest the advice of an acousti cal consultant is sought.

EXCERPT FROM 2015 INTERNATIONAL BUILDING CODE

STANDARD NORMS / ASTM / EN ISOCONFORMANCERESULT

ΖΖ67

ΖΖ37

ΖΖkPa1.58

ΖΖmm4.8

ΖΖmm4.3

(dB-5000 mm4

W/mk0.099

Ζ-F

ΖΖ(<450)PASS

CDPH/EHLB/STANDARD METHOD

HEALTH 01350)PASS

www.porcelanosa-usa.com | nationalaccounts@porcelanosa-usa.com | 1.8

77.PORSA.US

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