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포오틀랜드 시멘트에 알미늄파우다 및 규사를 혼가하고 물을 넣어 발포케 하며 가열증기실에서 양생케 하는 공지의것에 있어서, 미량의 알미늄파우다를 혼가한 포오틀랜드 시멘트에 물을 넣어 발포케 하고 상압증기실에서 숙성시켜 발포체가 고형으로 안정된후 톱으로 절단하여 수중에서 양생케한 단열방습 시멘트 부럭 제조법.In the well-known thing which mixes aluminum powder and silica sand in a potland cement, foams it by adding water, and makes it cure in a heating steam room, it makes foaming by adding water to the portland cement which mixed a trace amount of aluminum powder, and atmospheric pressure steam. A method for producing a heat-insulating and moisture-proof cement block that is aged in a yarn and stabilized in a solid state, then cut into saws and cured in water.※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.