1. Konkire yokonzedweratu ndi yoponyedwa m'malo, konkire yolimbikitsidwa ndi konkire yokhazikika yokhazikika m'mitundu yonse ya nyumba za mafakitale ndi za anthu, zosungira madzi, zoyendetsa, madoko, ndi ntchito zamatauni.
2. Yoyenera kukonzekera mphamvu zoyamba, mphamvu zambiri, kukana kwa seepage, madzi ambiri, konkire yodzipaka yokha komanso zipangizo zodzipangira okha.
3. Itha kugwiritsidwa ntchito kwambiri pakukonza zoyera komanso kukonza konkriti ndi zopangira nthunzi.
4. Imakhala ndi ntchito yabwino ya simenti ya silicate, simenti wamba ya silicate, simenti ya slag silicate, simenti ya phulusa la simenti ndi simenti ya phulusa lamoto.