1ROUGH OPENING PREPARATION (CONTINUED)
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F. Confirm wall depth measurement.Measure bottom board cutback on unit to make sure it is larger than the distance from the interior of wall to exterior of wall. If necessary, remove or cut
siding. | Measure |
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G.REPLACEMENT APPLICATIONS: Seal between exterior cladding and wall. If exterior cladding is siding, apply sealant between the siding and rough opening at the head and jambs and cover with flashing tape according to Express Replacement - No Siding Removal Opening Preparation for Siding: Vinyl, Steel , Aluminum.’ If exterior cladding is brick, add blocking at jamb to close the cavity between the brick and rough opening. Apply sealant at each joint between the brick, blocking and rough opening and cover the joints with flashing tape.
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SEALANT |
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OPENING |
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1G
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H. Apply sill flashing tape #1. (Wood wall construction only). Cut a piece of flashing tape 12" longer than the opening. Apply at the bottom up to the exterior edge of the opening as shown. If the sheathing or water barrier
is exposed, overlap 1" to the exterior as
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shown in (1I).
Note: The tape is cut 12" longer than the width so it will extend 6" up each side of the opening.
I.Tab the sill flashing tape and fold (If tape #1 overhangs 1" to the exterior). Cut 1" wide tabs at each corner (1/2" from each side of the corner) (1I). Fold tape to the exterior and press firmly to adhere it to the water resistive barrier.
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1" | 6" | 1H |
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1/2" |
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1I
Flashing tape overhanging 1" to the exterior.