This led to the establishment of settler-colonies in Algeria, Tunisia, South Africa, Namibia, Angola, Mozambique, and central African areas like Zimbabwe and Zambia. Eventually the overriding economic factors led to the colonization of other parts of Africa.
(July 2009) (Learn how and when to remove this template message) Tar paper is a heavy-duty paper used in construction. Tar paper is made by impregnating paper or fiberglass mat with tar, producing a waterproof material useful for roof construction. Tar paper is distinguished from roofing felt which is impregnated with asphalt instead of tar, but these two products are used the same way, and sometimes are informally used as synonyms. Tar paper has been in use for centuries.
Print Page. Summary: Learn how to cover a flat roof, lay a felt roof, install gutter drips, fit the top sheet of felt and fit the verge edges. This project describes the traditional method of covering a flat roof using Bitumen-based roof felt.ontinue to fix the underlay in this fashion until the roof is covered. When a length of felt runs out before reaching the edge of the roof, join another length to the end allowing a 100mm (4in) overlap. Nail in place spacing the nails at 50mm (2in).