Soflay^TM  hana ʻia me ka hua polyurethane recycled. Maikaʻi maikaʻi loa ka papakū lole ma lalo o ka pale a me ka hoʻohaʻahaʻa ʻana i ka hopena a me ka ʻoluʻolu a kūpaʻa hoʻi. Hana kēia iā ia i kahi mea makemake ʻia no ka papakika underlayment. Māmā hoʻi ʻo Pu underlay, no laila maʻalahi e hāpai a kūpono.

Kaulana ʻo Pu foam underlay range no ka hōʻoluʻolu. Hoʻokuʻu mua ʻia i ka makahiki 2010, ua ulu ka laulā kapeta malalo iho e lilo i inoa kaulana loa nā mea kūʻai mai lalo i Kina. Loaʻa ka laulā Soflay i mahalo nui ʻia ma ka huehue PU a me ka polyurethane no nā ʻano papahele like ʻole no nā hōkele hōkū a me nā wahi villa hanohano, ʻo 10mm pu underlay a me 12mm pu foan underay. ʻO ia ka ʻano maʻamau o ka pad i hoʻohana ʻia ma lalo o ke kapeta ma nā wahi noho, ʻo ia nō hoʻi ke ʻano o ka pale kapena a me nā kapeta ma lalo o nā noi noho.