Roof treatment of BSF Sr Secondary Residential School old building at BSF campus Kadamtala

Amount

Application of ZMB 60/ equivalent solution ( 100kgZMB 60/Equivalent ,1 ltr ZMB nano thinner, 20 Ltr water & 1 Ltr Zycoprime/equivalent =122 ltr /kg) over already applied coat of Zycosil/ equivalent & Zycoprime/ Equivalent solution on the top of all the RCC plinth beams by brush / spray coat before erection of GFRG over RCC plinth beams in GF . in the case of upper floors 150 mm wide on floor slab for all the external walls bath /toilet /wet areas ( 3 hrs drying time ) before erection of wall panel on upper floors including erection of parpet wall

Grading roof for water proofing treatment with cement concrete 1: 2: 4( 1 cement : 2 coarse sand : 4 graded stone aggreagate 20 mm niminal size)

Preparation of roof top surface before applying water proofing solution with use of wire brush and high pressure washer machine jet wash.

Bikash Mondal

BARUNANGSHU BOSE