how do i remove the beading in order to have excess to and replace the glazed unit. I have removed one but It was quite difficuilt and marked the upvc. Is there any special tool to extract the beading or any tips on removal will be much appreciated, Thanks

Nels, July 2010

don carlos is the best but please watch yourself they are very sharp tools

chris, July 2010

we use a don carlos knife but a strong thin scraper will do
if its externally beaded then take out the rubber gasket from the inside first. place a scraper inbetween the rubber and the frame and lever the rubber out. once the rubber is out go outside and push the glass inwards, then take the beads out.
if its internally beaded then you just have to lever the beads out

levi lewy, July 2010