What Insulation For 2x8 Ceiling

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.

What insulation for 2x8 ceiling.

Get free shipping on qualified 2x8 wall insulation or buy online pick up in store today in the building materials department. Fitting in a 10 inch batt r 30 and still providing ventilation is impossible with a 2x6 or 2x8 rafter. Always use proper safety precaution and reference reliable outside sources before attempting any construction or remodeling task. Insulate pipe wherever condensation is a problem.

Around objects that store or distribute hot water and indoor air. 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. Insulates ducts that pass through cold attics. Insulation and ventilation within the depth of the rafter.

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. Pipe insulation duct insulation and water heater jackets. What size insulation for 2x8 floor joists. Insulation radiant and vapor barriers insulating 2x8 floor on 16 centers from what i m reading hamilton county tennessee only requires r19 for the floor but i can achieve r25 with 2x8 s.

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.