The re-bedding is a mixture of 4:1 sand and cement ratio that holds down and helps the alignment of all the ridge capping and valley mortar. After many years of weather exposure, your bedding can start to break down and therefore no longer holding the capping tiles in place allowing them to slip down and remain out of alignment, possibly allowing water to penetrate to your ceiling. To rectify this problem, all capping must be lifted and all the old mortar removed and re-bedded with a fresh 4:1 ration mix to facilitate the next process which is the flexible pointing.
The repointing is the final coating of an acrylic pre-colored flexible mixture which has flexible capabilities that can withstand adverse weather conditions and minor structural movements therefore providing extra strong security for all ridge capping and other areas that it may be applied to.
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