Describe in sequence the method of rendering an old neglected wall. – NABTEB QUESTION

ANSWER

The sequence is as follows:

(i) The brick joints should be raked out to form a key for the under coat
(ii) The surface of the wall should be made free of dirt and other things that will impair bonding.
(iii) Wet the surface with water
(iv) Apply rich mix mortar under coat
(v) Scratch the under coat to form key for the final coat.