Sika Boom -S is available in 500ml and 750ml. This product is a multi-purpose aerosol insulating and fixing foam that comes in a spray can with an applicator nozzle for more accurate application. It can be used in a number of different environments on various materials. It is suitable for bonding and sealing of windows and doors as well as gap and joint filling of wall cladding. It is an effective bulk filler for voids and it can insulate cavities from draughts. It has a rapid hardening time and is also easily trimmed and sanded to shape when dry.