Banditing,
Can jou explain what do jou mean with firebrick? (i,m from the Netherlands) if i use google translate then the answer is VUURSTEEN?????
ewkearns,
Ok thanks, but why firebrick?? (A lot of people recomend firebrick) but why.???
I will ventilation under the spa, the dealer is recommended it.
Do i get ventilation under the spa wit firebrick