Ukudlala^TM  Yenziwe nge-polyurethane foam esele yenziwe kwakhona. I-PU foam carpet underlay ilungile ngokukodwa ekugqobeni nasekunciphiseni isandi kunye nokukhululeka kunye nokuhlala ixesha elide. Oku kuyenza ibe yinto ekhethiweyo yokupakisha. U-under underlay naye ulula, ke kulula ukuba uphathe kwaye ulingane.

Uluhlu lwe-Pu foam underlay ludume ngentuthuzelo. Ukuqala ukukhutshwa ngo-2010, i-carpet underlay range sele ikhule yaba yeyona nto idumileyo yabathengi e-China. Uluhlu olujongwa kakhulu lweSoflay luyafumaneka kwi-foam ye-PU kunye ne-polyurethane yeentlobo ezahlukeneyo zokutyibilika ngakumbi kwiihotele zeenkwenkwezi kunye neendawo zokuhlala zodidi, ngakumbi i-10mm pu underlay kunye ne-12mm pu foan underay. Yeyona ndlela ixhaphakileyo yephedi esetyenziswa phantsi kwekhaphethi kwiindawo zokuhlala, ikwayilo hlobo liqhelekileyo lekhaphethi yomqamelo kunye nekhaphethi yangaphantsi esetyenziswa kwizicelo zokuhlala.