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Thread: 1/8" backerboard gap? Really?

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    Default 1/8" backerboard gap? Really?

    I installed two 3x5 sheets of backerboard in my tub alcove today. As I read from this forum I should leave a 1/8" gap between the two sheets and fill with thinset and mesh tape.

    Now that I have installed this, I keep looking at that gap and fearing that I am inviting problems for a leak. Wouldn't it be better to leave NO gap as that would protect better against water leak?

    I've attached a picture. Can someone reassure my fears?

    Snooze (Seattle)
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