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These have been the forerunners of the current asphalt and coal-tar-pitch constructed-up roofs. Its use is restricted to roofs with a pitch of lower than 2:12. To keep away from penetrating the uncovered membrane with nails, adhesive or "lap cement" should be used at the bottom edge to keep it from being lifted by the wind. On the search outcomes page, any variety of namespaces can be specified, vapedeviceuk and vapebest users can keep these namespaces as their own default search domain.
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