Edward Thompson

Sun 18 Jan 2015 02:46pm

Hi Clare if the sealant is covered in mould you will definitely need to remove it as it will just spread. You can use a siliicone sealant remover to get rid of the old silicone, they sell it at Screwfix. Ed

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Danny Allen

Sun 18 Jan 2015 01:09pm

you will need to remove

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Darren Duke

Thu 22 Jan 2015 06:43pm

Hi Clare, You will need to remove this with sealant remover then reapply with new sealant but make sure that you use an antifungal sealant. Regards, Darren. Red Security.

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