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waltonglade

Recommended silicone sealant for Swanstone shower walls

waltonglade
4 years ago

We're installing Swanstone shower walls. They are supplied with XtraBond 250 100% RTV color-matched silicone sealant for the visible components but require additional sealant to adhere the walls themselves, to cement board+Redguard.

XtraBond 250 is presumably good to use BUT isn't widely available, whereas XtraBond 150 IS. The 250 looks to be acetoxy-based whereas 150 is neutral cure, and there is conflicting info online as to the suitability of these alternatives. Any advice on what to use? Swanstone specifically says NOT to use GE brand. Thanks in advance

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