BASEMENT FLOOR AND WALLS WITH ADESOBIT 1600 WATERPROOFING
MEMBRANE AS PER ORIGINAL SECIFICATION
Method Statement
FOR TOILETS WITH SpECtite CW 100 CEMENTITIOUS FLEXIBLE TWO
COMPONENT WATERPROOFING SYSTEM
1. The main contractor shall fix all the pipes and plumbing work
(running through walls) and if necessary, construct boxes (masonry)
around pipes running on the slab.
2. The main contractor shall plaster the brick walls of toilets
with a thin plaster and lay a 25mm x 25mm fillets (cement, sand) at
slab wall corners and allow to dry.
3. Clean and prepare the surface to receive the
waterproofing.
4. Wet the concrete and allow the surface to partly dry so that
it is damp.
5. Apply 1st coat of SpECtite CW 100 2-part flexible
cementitious waterproofing membrane by brush in one direction at
wet film thickness of 0.75-1.0mm on the floor slab and upto 300mm
(or to required height) above the finished floor level on the wall
and in shower area of toilets up to 2m height. Allow to dry for
minimum 3 hrs.
6. Apply 2nd coat of SpECtite CW 100 2-part flexible
cementitious waterproofing membrane by brush in one direction at
wet film thickness of 0.75-1.0mm on the floor slab and upto 300mm
(or to required height) above the finished floor level on the wall
and in shower area of toilets up to 2m height.
7. Allow to cure for 2 days.
8. Carry out water testing by ponding the relevant area with
water for 3 days (water shall be supplied by the main contractor at
the point of working)
9. The main contractor shall lay cement sand protective screed
(tile bedding) on the waterproofing soon after water test is
complete.
