What Insulation For 2x8 Ceiling

I have looked into spray foam which is pricey for 330sq ft it is 3 000 and rigid board at 4 5in r 30 value is 1 500 for the space.

What insulation for 2x8 ceiling.

Insulate pipe wherever condensation is a problem. A typical 2x4 wall will hold up to r15 if you try to cram r19 in you compress the insulation and i believe actually get less insulative value than you would have with a lower rated. Get free shipping on qualified 2x8 wall insulation or buy online pick up in store today in the building materials department. Assuming you re using fiberglass insulation which fits our wallet and our remote setting you need thicker wall or ceiling cavities to fit more insulation.

If the shock of stepping out of a nice warm bed onto a chilled floor has you sleeping in thermal socks insulating your floor might help. Insulation and ventilation within the depth of the rafter. Fitting in a 10 inch batt r 30 and still providing ventilation is impossible with a 2x6 or 2x8 rafter. Hey i need to put r 30 insulation in a ceiling framed with 2x8 s regular fiberglass insulation requires 9 of space 2x10 framing.

Around objects that store or distribute hot water and indoor air. What size insulation for 2x8 floor joists. The mec may allow r 19 cathedral ceiling insulation for some house designs depending on the climatic zone. For most areas r 25 to r 38 insulation is recommended if not required.

Pipe insulation duct insulation and water heater jackets.