SECTION THROUGH RCC CHAJJA
- Clean
the surface of all loose particles, dust, cement laitance etc. and moisten
with water.
- Prepare
a lumpfree consistency slurry of Polyalk WP and Cement in a proportion of
1:5 (by weight) and apply this slurry to the surface to be waterproofed,
care should be taken that no area remains uncoated. Take 1’-0” above
chajja on the wall and around drip mould.
- Apply
one more coat of similar slurry keeping an interval of 24 hours between
two successive coats.
- After
48 hours cure the coating by sprinkling water for 2-3days.
- Provide
a watta between the brick wall and the RCC Chajjas of larger radius
filling the same with brick bat coba to drain the rainwater instantly.
- Provide
a levelling course of 1:4 Cement Mortar in thickness of 10-15 mm as
required.
- Finish
as per normal practice.
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