DIY Doctor UK DIY Forums

I have a upvc window cill which in the rain drips on it drums and is very noisy, keeps my son of 4 awake. is ther a product i could use to dampen the sound , or even fill the cill, whih i assume is extruded .

mK33,
You could try removing the end caps and pushing insulation into the outer cavity with a long stick.
end