Roof remedial waterproofing

Method Statement

METHODOLOGY

SURFACE PREPARATION AND APPLICATION

• Cut open and clean cracks in the existing screed or Brickbat Coba systems with compressed air.
• Repair these cracks with polymer modified mortar modified with Dr. Fixit Pidicrete URP.
• Clean the surface thoroughly of all contaminants like dust, traces of curing compound, oil and grease. Remove all surface imperfections, protrusions, structurally unsound and loose concrete.
• Prime the surface with Dr. Fixit Primeseal and allow it to dry. Apply the first coat of Dr. Fixit Newcoat.
• While it is still wet, place a woven glass fibre mesh of measurements 2 mm x 2 mm and allow it to soak completely. Immediately apply the second coat with a roller or squeegee, to ensure complete coverage of the fibre mesh.
• Apply the third coat after 6 to 8 hours, once the second coat is dry.
• For roofs below 2000 sq. ft., use 2 coats of Dr. Fixit Newcoat Ezee.  

FAQ's

Need for waterproofing

Terrace waterproofing is a very critical area as it is always exposed to harsh weather conditions, climatic changes and rains. The terrace surface tends to accumulate rain water which in due course starts seeping inside the slab. Over time the deterioration of the surface will increase leading to more damage.  

Healthy Tips

Following areas need to be given special attention while waterproofing

• Pipes running over the roof or parapet wall
• Electric wires or cables conduits
• Rain water drain outlets with proper size and number
• Threshold at the stair case door
• Water tank, dish antenna, split AC unit bases
• During surface preparation an important thing is the fitting of drain outlets