Profile: Wessington Group Ltd. is a provider of industrial chemicals and sealants. We have ISO 9001:2008 quality certification. Our product range includes formulated products, finished goods, ancillary materials, and equipment. Prime industries served by us are construction, textiles, rubber, sealants & coatings, insulated glass, and water treatment. Areas of activity we deal with are chemical distribution, adhesives & sealants, and glazing. Our IG-4 polysulfide insulating glass edge sealant is a two component, solvent free, polysulfide secondary sealant used for the manufacture of dual seal insulated glass window units. PIB primary sealant is our single component poly-isobutylene based primary, inner sealant, used for making dual seal IG units. For sealing u-PVC and wooden window frames into concrete or brick surrounds, we offer silicone glazing sealants.