I M repiping my house with Wirsbo / Uponor. The inspector told me that he wanted all the pipes under the house insulated. I also need to secure it every 32 inches. The problem is that the floor framing is post and beam 6 foot on center with 4 x 8 beams. Car decking sub floor. I do not want to drill through the beams if at all possible. Would it be OK to hang, under the beams, 1 x 3 ? Then insulate the Wirsbo and zip strap the works to the 1 x 3 for the runs across the house?