R-Guard Installation Detail
Corner Units and End Dams

SS ThruWall Flashing

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Creating an end dam

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Crease flashing length-wise.

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Fold flashing over 2” at the end.

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Fold flashing length-wise. Pinch and turn the crease material upwards.

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Pinch and turn the crease material upwards.

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Finished product.

Creating an inside corner

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Cut a 12” x 12” piece of flashing.

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Fold in half vertically and horizontally.

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Take one of the quarter panels & evenly fold it into a triangle from the center.

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Fold the triangle portion onto the adjacent panel.

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Finished product.

Creating an outside corner

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Cut a 8” x 10” piece of flashing. Fold in half and cut one side in half to the middle line.

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Fold the connected piece in half.

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Take a 10” x 10” piece and cut a 4”x 4” notch out of it.

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Place a bead of FastFlash on backer piece for connection with base piece.

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Embed base piece to the backer piece and seal the top side with a bead of FastFlash. Tool joint with a dry trowel or spatula to create a profile that directs the water away from the joint.

Creating interlocking lap joints

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Ted Barnekoff - Air & Water Barriers, PROSOCO

Ted Barnekoff
Product Support - Air & Water Barriers

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