FAQ: How To Build Attic Storage?

Can I turn my attic into a storage place?

It will only lead to condensation. While attics can be turned into makeshift storage units, most of them are not suited for large, heavy objects such as furniture or temperature-sensitive items like electronics or documents.

Is it OK to put plywood in the attic?

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. The building code allows for the use of OSB in place of plywood for subflooring.

Can my attic support a floor?

Floor Framing



As long as they are not damaged, the joists should be strong enough to allow you to move around in the attic for an inspection and to provide storage for typical boxed items. But they may not be adequate to support the weight of multiple people, furniture, and heavy stored items.

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What should not be stored in an attic?

7 Things You Should Never Store in Your Basement or Attic

  • Delicate fabrics.
  • Furniture and décor made from natural materials.
  • Important papers.
  • RELATED: The Safe Way to Store Important Papers »
  • Food (unless you store it carefully)
  • Electronics.
  • Candles.
  • Anything flammable (near heat sources)

Can I cover my attic insulation with plywood?

Once the insulation is down, you can turn your attic into valuable storage space by covering the floor with plywood. It will also make the attic a safer place in which to walk.

How thick should Plywood be for attic storage?

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.

How much weight can attic joists support?

Attic Joists for Live Loads



You also need to ensure that the joist spacing is adequate. In many cases, ceiling joists for dead loads are designed to carry 10 pounds per square foot (psf), as opposed to the 40 or greater psf that live-load joists must carry. Span length is different for every room.

How much weight can a Attic hold?

Most trusses are designed for only 10 lbs psf live load for storage, unless they are attic trusses like Drooplug mentioned. You’ve added about 300 lbs already when you put 6 sheets of plywood up there. As Larry said, don’t overdo it.

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What type of flooring is best for attics?

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.

Is it OK to put flooring over blown in insulation?

Things You’ll Need



Place flooring over insulation to make your attic space functional. Attics are generally covered in batting or blown insulation. If blown-in insulation is used, control the height or thickness of the layers so boards can by laid over top without having to compact the filler.

Is it OK to store clothes in the attic?

The best conditions for clothing storage are cool, dark, and dry. Depending on your climate, the attic or garage may not be the best option because of extreme heat. If you’re using a basement, make sure it’s not prone to flooding or excessive moisture.

Is it safe to put cardboard boxes in the attic?

Cardboard Boxes



Those cardboard boxes stacked up in your attic could become a veritable buffet for mice and bugs if you’re not careful. “Pests are attracted to the cardboard and to the glue used in construction of the box,” says Santoro. “Boxes also break down and disintegrate, which will attract pests even more.”

Is it worth adding insulation to attic?

Installing attic insulation this winter is a worthwhile long-term investment because it can significantly decrease your heating bills. As an added benefit, when the hot D.C. temperatures come back, the attic insulation will also minimize your air conditioning bills.

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