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`Wall Sheathing Seam Tape - Oikos
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`Focused on Energy Efficient Building and Environmentally Sound Construction
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`Wall Sheathing Seam Tape
`
`Perm-A-Barrier Wall Seam Tape is made to seal joints and openings in sheathing. Overall, the tape is 3O-mils
`thick. Most of the thickness (27 mils) is rubberized asphalt adhesive. The remaining 3 mils is cross laminated
`polyethylene film. It has a coated paper release sheet. Rolls are four or six inches wide and 100 feet long.
`
`The tape can be applied to sheathing joints, small openings and around windows and doors. Avoid unsupported
`spans more than 1/4 inch. Nails, screws and staples can be installed through the tape. Like most caulk, Perm-A-
`Barrier Wall Seam Tape should be placed on a clean, dry surface that is above 25 degrees F.
`
`W.R. Grace also makes Perm-A-Banier Wall Flashine and Wall Membrane.
`
`Contact:
`(h:ace C-an stmction Pr*ducts
`
`This article appeared in Eitg,t&v. $qllrcc .B_ur.ldgl:,t;19 June
`OCopyrigit !99_1 Iqg qqlqlqunications, lnc.
`
`1995
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`i****************l
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`http://oikos.com/esb/39/P_B_Tape.htrnl
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`2tu20rr
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`Louisiana-Pacific Corporation, Exhibit 1023
`IPR of U.S. Pat. No. 8,474,197
`Page 1
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`WaIl Sheathing Seam Tape - Oikos
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`The Oikos@ site is devoted to serving professionals whose work promotes sustainable design and
`construction. That's a broad goal, but then environmental sustainability touches virtually every aspect of a
`building. Oikos is a greek word meaning house. Oikos serves as the root for two english words: ecology and
`economy. That may seem conffadictory at first, but it makes perfect sense.
`
`@All Oikos pages copyright 1996-2010,Iri".s--Coinnn,nica_t_!l'ns..Inc, Design by : s.ty.leshcrut
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`http :l/oikos.com/esb/3 9/P_B_Tape.html
`
`2tU20rr
`
`Louisiana-Pacific Corporation, Exhibit 1023
`IPR of U.S. Pat. No. 8,474,197
`Page 2
`
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