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# জল ছাদ কি ভাবে করতে হয়। জল ছাদ করার নিয়মাবলী দৌয়া হল। # LIME TERRACING. Add caption Add caption To provide impervious course of water proof and adequate thermal insulation to roof surface. Applies to concrete roof. MATERIAL REQUIREMENT ----------------------------------- Lime…….Slake lime. Surki……. Made from 2nd class brick crushed ground to sizes below 2 mm. Brick chips .. Made from 2nd class bricks crushed to sizes 20 mm down graded. CONSTRUCTION METHOD: 1.Use lime ,surki and bricks chips in the proportion 2:2:7. Thickness of lime terracing to be average 125 mm (5”). 2.Soak the brick chips at least 3 hours before mix and allow stand. 3.Mix lime and surki in the specified ratio on a clean platform in dry condition , till of uniform color. 4.Add previously whetted khoa in the specified quantity over lime-surki mix. 5.Molasses to be used during the mixing of L.C.C materials to make the whole mixture viscous and workable so that it properly adhere with roof. 6. Allow the mix to ag...

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