Hispanica Thick has passed the French Agreement P32 / 301/2 Class “A” as well as the BS 680 Part II, it is covered by a 50 year quarry guarantee against perforation, as well as any inherent defects in the fabric of the slate itself, as per usual the guarantee will be supplied with the slates in order to be filled in with the address of the site where the Hispanica Thick were fitted, dated and signed in order to maintain consistent records.
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