Batt Insulation Lay In Attic

Measure the depth of the existing insulation between the ceiling joists in the attic.

Batt insulation lay in attic.

Install batting between the attic s floor joists. Lay the batts across the ceiling joists covering the existing insulation. Roll insulation is best for floors ceilings and roofs with a long joist or rafter bays and for tall walls. Both can be added to uninsulated attics or layered over existing material.

The batts are precut to fit into cavities on standard 8 foot high walls. The problem with batts however is that they don t work well because they don t fill the space well. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Insulating your attic is a great way to provide that extra layer th.

This video will show how to insulate an attic step by step with precut batts and rolls. At the perimeter of the attic lay the insulation up to the roof rafters but keep it away from plywood roof sheathing. While fiberglass batt insulation is often done with the help of a professional you can also install this insulation yourself if you have the time and desire. Batt insulation is available at home centers and lumberyards.

Before choosing blown vs. Multiply the depth in inches by 3 14 to determine the r value of the existing insulation. The batting material must be faced and at least as thick as the joists are wide so the batting is nearly flush with the top of the joists. Kraft faced or paper faced insulation comes in batts and long rolls.

For the best performance an insulation material needs to fill the whole space with no gaps voids compression or incompletely filled areas. Cotton batts though are cool because they re made of recycled blue jeans. Batt insulation take time to read this column. For diy attic insulation you ve got two choices.

Batt insulation on the other hand consists of blankets or rolls of insulation made from fiberglass or cotton which is cut to fit into the floor of the attic. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Blown in insulation requires a professional.