Nope, it shouldn’t cause problems with moisture buildup — but how much blown in fiberglass do you have up there? If it’s less than your roof joists, it’s not enough, and you should think about adding some (or a lot, actually) to bring you up to R-30 at the least in your attic.

Can I lay plywood over insulation?

While you can construct dams around recessed lights that aren’t IC-rated to keep insulation away from them, you can’t cover them with plywood. Doing so can cause them to overheat. Don’t install a moisture barrier on top of the insulation.

How do you floor an attic?

Quote from Youtube video: So this is going to be a good size that we can work with if you've ever tried to take a big piece of plywood up into your attic and work with that it's a lot harder. Plus these are tongue and groove.

How do you install OSB underlayment?

Quote from the video:
Quote from Youtube video: Apply an eighth inch bead of glue in each groove and gently tap the panels together. It's a good idea to wipe away excess glue to reduce the risk of bumps in the floor.

Can you walk on plywood?

No matter what the spacing is on your ceiling joists, 3/4-inch plywood should be used if you plan on walking on it. If you plan on placing the plywood around the perimeter of the opening or door and using it only to store light boxes or materials, 1/2-inch-thick plywood should suffice.

Can you put plywood floor in attic?

If your attic joists won’t bear the weight necessary to finish out a living space but the engineer cleared them to support floor decking for light storage, you can install ½-inch plywood or oriented strand board (OSB) in 4-foot-by-8-foot panels over existing 16-inch OC joists.

Should I put a floor in my attic?

That begs the question; can my attic support a floor? The answer, in most cases, is a definite yes. Even though it wasn’t put there, the joists supporting your ceiling are quite strong. Putting down flooring won’t stress them any more than the floors in your bedroom, kitchen, or bath.

What is the best flooring for an attic?

Resilient flooring, such as laminate or vinyl, is one of the best choices you can make for attic floors. This type of flooring can soften the sounds when installed over an underlayment.

What type of wood do you use for attic floor?

Joist Spacing and Attic Use

You need 3/4-inch plywood. The thinner plywood is acceptable when the joist spacing is 16 inches. If you plan to finish the floor in the attic and turn the room into a living space, however, you should always use 3/4-inch plywood.

What should I floor my attic with?

An attic can be floored with 1/2″ CDX plywood, if it is being used only for storage. However, the same can’t be said if you are planning on using the space as a living space. In that case, you will need to use 3/4″ thick plywood. As an alternative, 3/4” OSB can be used.

Is OSB better than plywood?

Wood fiber is used more efficiently in osb. Osb is stronger than plywood in shear. Shear values, through its thickness, are about 2 times greater than plywood. This is one of the reasons osb is used for webs of wooden I-joists.

Is it better to use OSB or plywood for subfloor?

OSB has a lower resale value than plywood due to its lower strength. For this reason, few homeowners prefer OSB in their homes. Apart from costs, plywood is superior in all the other areas, such as the strength of the structure. For this reason, it’s a superior material for use on the subfloor.

How do you insulate attic floor boards?

This could be accomplished by boring holes in the floorboards and inserting the nozzle of an insulation blower machine into the holes. The insulation will fill up the cavities. This would yield the best bang for the buck, as it would place the insulation immediately above the area where it is needed most.

How do you install subfloor in attic?

Quote from the video:
Quote from Youtube video: But as you can see you want to be very careful while walking around up here because we got a concrete floor that's right below us so very. Important.

How much weight can an attic hold?

On average, an attic that has not been designed specifically for storage or already converted into a habitable room can hold 10lbs per square foot. The maximum weight load of an attic can be increased by taking certain measures, such as layering wood across the joists to spread the weight.

Is it safe to use attic for storage?

Attics have good potential for storage and are less creepier than basements, though not by much. Yet before you start hauling everything but the kitchen sink up that ladder, you should find out if your attic is up for the task. Assessing your attic for any damages will require a bit of detective work.

What shouldn’t you store in an attic?

10 Items You Should Never Store In The Attic

  • Paints, cleaning products, or other toxins. …
  • Anything that is highly flammable. …
  • Delicate holiday decorations. …
  • Art is never good to store in the attic. …
  • Leather products. …
  • Cardboard boxes. …
  • Musical instruments. …
  • Anything wool (or made from natural fibers)

How hot is too hot for attic storage?

Ideally, your attic should not exceed 130 degrees Fahrenheit during the summer. Problems related to attics hotter than 130 degrees: It will make it harder to cool your home in the summer. Your HVAC system has to work harder than needed, which leads to premature equipment failure.

What is the pink stuff in the attic?

Fiberglass insulation, a man-made mineral fiber constructed from a variety of materials, such as sand and recycled glass, is the most popular form of insulation in the United States — more than 90 percent of homes in America are lined with the pink stuff [source: Spencer and Gulick].

Can you put plastic over insulation in attic?

Plastic isn’t recommended in this situation because it would create a second vapor barrier that can trap moisture and result in condensation and mold. Craft paper would have the same problem, this is what is most likely on the other side of the insulation for the vapor barrier you want.

What is the cotton candy in the attic?

Fiberglass: This insulation that looks like cotton candy is commonly seen in long strips — called batts or rolls — between wall studs and ceiling joists. It might be pink, white or yellow, and it also comes in a loose-fill form, often blown into attic spaces.