Attic Insulation No Deep Enough

For example 2x4s would do but that is a lot of extra work.

Attic insulation no deep enough.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Bust out the existing slab and excavate deep enough to install at least 4 inches of inch to 1 inch washed gravel or river rock. If your attic insulation covers your joists and is distributed evenly you probably have enough. Warm spaces have less condensation risk than colder space so when you add insulation to the attic floor you re intentionally blocking some of that heat from keeping the attic warm.

I might be minimized if i only screw pieces of 2x4s from place to place just to support the drywalls. How much should i add. It is important that the insulation be evenly distributed with no low spots. Many homes are leaky and have insufficient insulation in the attic.

That said air resistance and interference such as vent grates reduces the area of true ventilation. Use unfaced insulation when adding more insulation to an attic that already has some insulation laying the rolls or batts at right angles to the floor joists. According to the u s. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

One obvious solution would be to screw lengths of wood along the rafters to increase the depth. This allows a lot of heat up to the attic. Our house from 1900 has no insulation. Mark the desired level on different roof trusses around the attic before you start photo 4.

Insulation levels are specified by r value. Pick up the blower and insulation cellulose blown in ceiling insulation is a good choice for diyers. Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Sometimes there is enough insulation in the middle of the attic and very little along the eaves. To see how to add insulation out to the eaves see installing rafter vents. When you re blowing insulation it can get dusty and hard to see whether you ve got it deep enough around the entire attic.

In an unfinished attic the process is simple. In other words the entire vent opening doesn t count as vented space. Plan to pull up the flooring and layer new insulation on top of the old. Basically a traditional farm house type.

In winter but it is all bearable.