Rere pungarehu, waro gangue, paura kohatu, kowhatu, onepu awa, kirikiri pango, para, para hangahanga, para hiku, parapara huruhuru toka, perlite, shale, para maitai, parapara parahi, para alkali, para rewharewha, para wai, pungarehu makuku ka puta mai i te tipu hiko, ceramsite, para kohatu me etahi atu parapara e kore e taea te whakamaroke i te oneone (5%). Ko nga momo pereki matua ko: pereki Tatimana, pereki paerewa, pereki porous, pereki hollow pereki pereki, pereki tae, permeable permeable, pereki whakamarumaru, kohatu tarai, pereki whariki, pereki huarahi, pereki awa, pereki tapawha, poraka mekameka, pereki tarutaru, pereki rakau mowhiti, paraka whakamatao waiariki, poraka raima, peera raima raima, papa kore autoclaved, etc.