The professional window-joint system 'SWS' is a combination of several Superior Quality products which provide the seal between exterior joinery and the structural envelope.
In new buildings, this is a joint of ±2cm, but SWS can, of course, also be used for renovation of all sorts of exterior joinery: aluminium, wood and PVC. SWS also offers solutions for passive houses and timber framed houses.
SWS has been officially tested in conjunction with various parameters and in various setups. When properly installed, SWS offers: