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<br /> Insulating the Window Installation
<br /> NOTE.� We recommend two possible ways of insulating the RO cavity. Both methods follow the principle that stopping air intrusion will aid in managing water
<br /> intrusion into the RO. The first method uses a combination of one bead of low expansion/low compression/closed cell foam at the exterior plane of the RO in
<br /> conjunction with loose fill fiberglass insulation. The second method uses two beads of low expansion foam (one at the exterior plane of the RO and another at
<br /> the interior plane of the RO).
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<br /> Figure 6 Insulating the RO using a combination of minimal expansion foam and loose fill insulation(Method 1)
<br /> Insulating the RO (Method 1) 2. Apply one bead of minimal expansion, low 4. When the low expansion foam has set, fill the
<br /> 1. Insert backer rod around jambs and head compression, closed cell foam against the cavity with loose fill fiberglass insulation. See
<br /> jamb. Push backer rod to the back of the backer rod. See figure 6b. figure 6c.
<br /> cavity so it contacts casing or nail fin (or in the
<br /> case where neither are used, exterior flashing 3. Fill the bottom corners with foam out to the sill
<br /> material). See figure 6a. sealant line. See figure 6b.
<br /> 2012-03-07 $ Window Rough Opening Prep and Flashing
<br /> 19913776 Method A1 -Membrane Drainage System
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