Dr.Fixit Silicone Sealant A single component silicone sealant which when properly cured becomes a permanently elastic compound Can withstand high temperature extremes and provides excellent adhesion to glass, ceramics and sanitary ware. Ideal for sealing glass and aluminum & non-oily wood, sealing of aluminum/ glass window frame joints, fixing glass into aluminum frames in lieu of rubber beading. Dr Fixit Sealant Applicator Gun 10" Manual Caulk Applicator for use with Cartridges up to 400ml A caulk applicator gun is an extremely useful tool when applying sealant as it will enable an accurate application when filling gaps and sealing joints to provide a watertight bond.