|
ESR-2642 I Mosf Wide/y Hcceptetl and Trustr.d
<br />3.5 Air Pertneabillty:
<br />SPW:YTITE@' (178 and 81206), COMFORT FOAM°J 17A
<br />and W�LLTITE°J (US and US-N) spray-applied
<br />polyurethane loam insulalions, at a minimum thickness
<br />ot 1 mch (25.4 mm), are considered au-impermeable
<br />insula6on in accordance vnth Section RBC6.4 of the IRC,
<br />based on testing in accordance with ASTM E 283.
<br />3.6 ALDOCOAT BOO intumescent Coating:
<br />ALDOCOAT 800 in�umescent coaling, manutadured by
<br />Aldo Produds Company, rs a smgle-componenL water-
<br />based latez coating supplied In 5-gallon pails and 5Sgallon
<br />(1B 9 and 208 L) drums. The matenals have a shel4lde of
<br />siz monlhs when stored m a factory-sealed container al
<br />temperatures of 40'F (4.5°C� and 90°F (32°C).
<br />3.7 Nof3um" Plus Intumescent Coating:
<br />No�urn Plus inwmescent coating, manufaclured by
<br />No-Bum, Inc, is a Iranslucent aqueous liquid supplied in
<br />t- and Sgallon (3 8 and 18 8 L) pails and 55-gallon (208 L)
<br />drums. The coat!ng has a shell Gle of three years when
<br />stored m a faaory-sealetl coNamer at temperatures
<br />between 40°F (4.5°C) and 90°F (32°C).
<br />3.8 SPRAYCOATTM 79201ntumescent Coating:
<br />SPRAYCOAT'" 7920 inlumescem coaling, supplied by
<br />BASF Corporation, is a singlc-componenl, water-based,
<br />liquid-applied, lalez intumescent coating. The coafing is
<br />supplied in 5-gallon (18 8 L) pa�ls and 55-gallon (208-L
<br />drums and has a shelGlife of siz mornhs when stored in
<br />faciory-sealed containers at temperalures between 45"F
<br />(72°C) and 75°F (73 9°C).
<br />3.9 Flame Seal'D TB Intumescent Coating:
<br />Flame Seal TB imumescent coatmg, manuladured by
<br />Specially Produds, Inc., is a iwo-wmponent. lour-to-one-
<br />by-volume, hquid-apphed. watcrbased polymenc
<br />intumescent coaUng. The wating is supplied in Ggallon
<br />(19-L) pans and 55-g211on (20&L) dmms and has a shclb
<br />life of six months vfien stored in fadory-sealed containers
<br />at lemperatures belween 40°F (4'C) and 90°F (32°C)
<br />When appiied ovcr SPRAYTITE` (178 and 81206,)
<br />Comlort foam 176 and Walltite (US and US-N) msula6ons,
<br />the acsembly has a flame spread mtlex of 25 or less ar.d a
<br />smoke•developed mdex of a50 or less, when tested in
<br />accordance vnlh ASTM F M
<br />3.70 DC3151ntumesceat Coatlng:
<br />DC315 mtumescent coating, manutactured by Intemalional
<br />Fireproof Ter.hnology Inc, is a single-componenL waler-
<br />based, liqwd-apphed inlumescenl coaling The coaling is
<br />supphed in 5-9allon (19-L) pads and 55-gallon (20B-1)
<br />Crums and has a shelt-lile ol tvm years when stored in
<br />(actory-sealed Contamers at Iemperatures belween
<br />41"F(� C) : nd 95"F (35"C)
<br />4.0 INSTALLATION
<br />4.1 Gencral:
<br />The msulahons must be installed m accordance with Ihe
<br />manuladurer's published installahon instructions, Ihe
<br />apphu�ble code anA this report The manufacturer's
<br />pubhshed mstalla6on inslruC.ions must be availabt^ on the
<br />�obsde at all limes dunng mstallation.
<br />4.2 Application:
<br />Thc rosulalion is spray-apphed at ihe �obsdc using a
<br />volumetnc positwe displacement pump as recommendetl
<br />in Uie manufacturer's publ�shed installation insirudions
<br />The insulation is applied m passes having a minimum
<br />Ihickness ol'!� inch (12 7 mm) and a mazimum thickness
<br />ol 2 inches (57 mm) per pass, up to �he total lhickness
<br />speufied in Sections 32, 4 J and 4 4 of ihis report The
<br />msulaUon passes must be allowed lo fully expand and be
<br />Page 2 0( 5
<br />cured for a minimum ot 15 minutes pnor to appllcation ot
<br />zn additional pasa The insulation must n>t be used in
<br />areas that have a mazimum service temp� •ature greater
<br />than 180°F (82`C). Thc (oam plaslic insulali m must nol be
<br />used in eledncal ou0et or �unction boxes or m contact vnth
<br />rain or water (e.g., rain, condensation, i�=, snow). The
<br />substrate must be hee of moisture, hos, or ice, loose
<br />scales, rust, oil, and grease or other surfa� � contaminants
<br />The insula6on must be protected from the vreather dunng
<br />and afler application.
<br />4.3 Thermal Barrier:
<br />4.3.1 Appliwtion with a Prescriptive T iermal Barrler:
<br />The spray-apphed insulations must be se araled hom Ihe
<br />intenor of the bmldmg by an approved tl �rmal bamer of
<br />O.Sirch (127 mm) gypsum wdllboar0 � r an equivalent
<br />15-minute Ihermal barrier complying v Ih IBC Sedion
<br />2603A or IRC Section R316.4, as e.plicable. except
<br />where mstallalion is in an attic or crawl s� 3ce as described
<br />m Sedion 4A, or vfien the mslallation �s n sill plates and
<br />headers at a total Ihi�fcness of 325 inche �(83 mm) or less
<br />as permdted by IRC Section R316.5.11. hlcknesses of up
<br />ro B mches (203 mm) (or wall �avitie �. and 12 mches
<br />(305 mm) for ceiling cav�lies are recc����ized, based on
<br />tesling in accordance vnih NFPA 28�.
<br />4.3.2 Application withou! a Prescriptive Thermal
<br />Barrier: 7he SPRAYTITE°' ( �78 anc 81206,) Comfort
<br />Foam 178 and Walltite (US and US-N) nsulations may be
<br />inslalled withrN the 1SmmiAe therma; �arrier prescribed
<br />in 16C Sed�or 2603.4 and IRC Sedior, �t316A, subjed to
<br />the fallowing �:onddions.
<br />a. Flame Seal TB iniumescent coatiry is applied lo all
<br />loam suAa^.es at a mimmum applia.tion of 25 wet mds
<br />(1.6 gallons per 100 ft').
<br />b�the mazimum installed Ihickness is ', inches (203 mm)
<br />on vertical walis and 72 inches (304 r m) on ceilings
<br />4.4 Attics and Crewl Spaces:
<br />4.4.1 Application with a Prescriplivc• Ignition Barrier:
<br />When ihe spray-apphed insulations a� � insialled within
<br />atucs or aav+l spaces where entry is ma le only tor sen�ice
<br />of uhldies, an i�nition banier must be mstalled m
<br />accordance wdh IBC Sedion 26034 t.t or �RC Sections
<br />R316 5 3 and R316 SA, as apphcable 1 ie ignition barrier
<br />musl be consistent vnth Ihe requuemen s for the typc of
<br />constnichon requhed by Uie apphu3ble c de, and must be
<br />inslzlled in a manncr so that lhc foam p� 3stic insulation is
<br />nol exposed
<br />4.4.2 Application without a Presc 9ptive Ignilion
<br />Barticr. Thc SPRF�YTITE° (�78 and 81�06), COMFORT
<br />FOAMm 178 anA WALLTI7!"' (US and US-N) insulalions
<br />may be installed in attics and crawl space� as described in
<br />this sechon vnlhout the igrnhon barners r escnbed m IBC
<br />Si�:ion 260341 G and IRC Sechons R31653 and
<br />R'.;16 S 4, sub�=ct to the followmg condihon;�.
<br />a Enlry to the aUic or crawl space is to sernce utdihes,
<br />and no storage is permitted
<br />b. There are no interconnected atlic or aaN I space areas.
<br />c!ar m the attic or cra�M space is nol ut� ulated to other
<br />paris of Ihe hwldmg
<br />tl. Attic ventila6on is provided when re� uired by I[�C
<br />Sedion 72CJ2 or IRC Sedion R806, ercept when air-
<br />impeimcabie msulation is permitted m un��enled atlics m
<br />accoidance wlth Seqion RBOFiA cf IR; Und?r-fioor
<br />(aawl space) venUlation is providetl wh�n required by
<br />IBC Sedion 1203.3 or IRC Seclion R408.1, as
<br />applicable
<br />l• Cambusiior an is provided m acc;orAa� ce wnih IMC
<br />Sedions 701
<br />
|