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steps_-platts-and-arches [2021/03/25 13:16] admin |
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| of waterproofing. The existing mortar should be raked out to a depth of at least 50 mm, all loose mortar removed and the joints washed out, repointed with lime mortar and finished with silicone or polysulphide mastic applied by a gun to a depth of about 20 mm. | of waterproofing. The existing mortar should be raked out to a depth of at least 50 mm, all loose mortar removed and the joints washed out, repointed with lime mortar and finished with silicone or polysulphide mastic applied by a gun to a depth of about 20 mm. | ||
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