Sitting within our range of specialised construction products is a select range of passive fire protection materials for use in fire stopping or fire containing systems. We stock intumescing and stopping mastic sealants and expanding foams manufactured by the biggest and most trusted global sealant names, including 3C Sealants, Adshead Ratcliffe (ARBO), Dow Corning (DOWSIL), Everbuild, Fosroc, Geocel, Nullifire & OTTO-Chemie.