Proper Insulation Roof Ceiling

Cathedral ceilings must provide space between the roof deck and home s ceiling for adequate insulation and ventilation.

Proper insulation roof ceiling.

Cathedral ceilings built using 2 x 12 roof rafters allow enough space for the fiberglass batt insulation and a 1 5 gap for ventilation. It s easier to knock out in a weekend and it s more relevant to most people s goals when it comes to insulation. There s a difference between insulating the ceiling and the actual roof slope. This can be achieved through the use of truss joists scissor truss framing or sufficiently large rafters.

Set up a stepladder tall enough to work comfortably from. Before you slap on any headlamps you re going to want to determine what kind of insulation project you need to do. The general consensus is if in doubt attic insulation takes priority over direct roof insulation. The most proper insulation level to use on ceilings are r 30 batts that are as thick as r 25 batts but fit into a 2x10 framing.

More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just. This type of roof assembly is designed so the air can flow up the soffit vent through an insulation baffle pass through the 1 5 gap between the insulation and roof sheathing then exit through a ridge vent. Purchase rolls or packages of insulation that will fit in the spaces between the ceiling joists.