Can I Put Plywood In My Attic?

How thick should Plywood be for an attic floor?

3/4-inchJoist 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..

Is the attic too hot for storage?

As a rule, your attic should be approximately the same temperature as the air outside your home. … In fact, it’s not uncommon for a 90-degree to translate to temperatures 30 or 40 degrees hotter in the attic. That’s dangerous because the extra heat can damage roof tiles and any items you have stored in the attic.

How do I reinforce my attic floor?

If the attic joists are not adequate, one way to strengthen the floor for live loads is to sister the old joists. Sistering is the process of adding a new joist next to each existing joist. In the case of 2×6 joists, you can pair them up with additional 2×6 joists by nailing them together, side by side.

What is the best flooring for an attic?

Resilient flooring is needed—flooring that will act as a sound barrier to the noise of children playing above. Laminate or vinyl or linoleum over an underlayment of wood will block sound from the top attic floor from living quarters below. Also, this type of flooring is easy to keep clean. And it lasts.

How much does it cost to insulate a 1500 sq ft attic?

Attic Insulation CostsItemUnit CostCostInsulation: install Kraft faced R-19, 23″ wide x 6.25″ thick x 1,500 sq.ft.; prepare and clean up; including waste and miscellaneous material.$0.64$1,053+ Labor Cost$32$448Total Cost$1.00$1,501

Can you cover 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.

Is it better to insulate attic ceiling or floor?

1 Answer. Since the ceiling in the attic is too low to make it into a living space, you should only insulate the floor. Insulating the ceiling will create a new heating zone, and essentially you will be paying more to heat your attic.

What should not be stored in an attic?

7 Things You Should Never Store in Your Basement or AtticDelicate fabrics. … Furniture and décor made from natural materials. … Important papers. … Food (unless you store it carefully) … Electronics. … Candles. … Anything flammable (near heat sources)

How do you install plywood in attic?

Carry a piece of plywood to one of the far corners of the attic and lay it on top of the installed boards. The plywood should be perpendicular to the joists so that a signal sheet spans multiple ceiling joists. Cut the plywood to fit so that each end of the plywood boards lands at the exact center of a floor joist.

Can I store stuff in my attic?

Storing items in your attic is far more preferable than storing them in the basement where they may get wet (think about flooding) or garage where they are exposed to the elements. Use the attic to store anything that is impervious to heat. Heat can damage things such as photographs and wood.

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.

How much weight can the attic support?

The joists are what support the weight. An uninhabitable attic not designed for storage can handle a 10 pounds per square foot live load. An uninhabitable attic designed for limited storage can handle 20 pounds per square foot live load.

Should I remove old attic insulation before adding new?

According to ENERGY STAR®, you can put new insulation over old insulation, “unless it is wet. … Any new roll or batt insulation installed over existing insulation in the attic needs to be without a vapor retarder (face). The vapor retarder on top of or between layers of insulation can trap moisture.

Is OSB OK for attic floor?

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.

Is my attic safe for storage?

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. Always choose the right storage space for the right item in order to avoid any headaches later on.

Should you insulate the underside of your roof?

If it does not need to be heated, it is best to keep it outside of the protected volume. You can do this by insulating the attic floor. … But the best solution is actually to insulate both the attic floor and the underside of the roof.