FOAM FOR FILLING JOINTS

An insulating board joint filler foam, for use in the regions of door or window frames or the like, consists of a light mineral mortar based on a lime-cement mortar with added aluminium powder, the mortar exhibiting 30-40% expansion on water addition. Preferably, the light mortar contains (by wt.) 5...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KLEIN HANS DR, STAUDER DIETER, WEH WALTER, DORFLINGER MARTIN
Format: Patent
Sprache:cze ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:An insulating board joint filler foam, for use in the regions of door or window frames or the like, consists of a light mineral mortar based on a lime-cement mortar with added aluminium powder, the mortar exhibiting 30-40% expansion on water addition. Preferably, the light mortar contains (by wt.) 50 parts white cement, 43 parts silicate filler, 4 parts binder, 0.5 parts additives and, as foaming agent, 2 parts aluminium powder. Also claimed is the use of the above preferred light mortar, when mixed with water (preferably in amount 1 wt. part water per 1.5-2.5 wt. parts mortar), as an assembly foam for introduction (preferably by a suction/spray gun) into joints to be sealed.