How to fix loose paint and render on exterior wall?

hesamshimi

Hello

My exterior wall render and paint is patchy,  loose and blistering in lower part, like 10-20 cm from the ground and mostly below the weepholes and the damp barrier, but mear the main entrance above the barrier, as in attached pics. Any idea how to fix this to look better and what material I need to use is very much appreciated. 

Cheers

Jewelleryrescue

 Hi @hesamshimi 

Looks  like your damp course working at least . but the  paint below that line is under stress.

All you can do is use  some sort  of  paint stripping tool like a wire  brush on a drill (wear a  pair googles for saftey) strip loose paint back and then  repaint with the one of  best under coat designed for concrete and bare pathing.

Dulux 1L Concrete & Paving Bare Concrete Primer I/N: 0417959  $19.90

You  can just cover those marks quickly  with any white paint acrylic and it will last a couple of years less with flaking areas. Depends upon your  free time to start a new  project.

After under coating use any all weather paint acryilic from good brands and hope the water moisture wont effect under coat too much. No  way to tell bofore application.