Putting Up Attic Ceiling Joists

How to put insulation in a ceiling before drywall.

Putting up attic ceiling joists.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. If your attic insulation covers your joists and is distributed evenly you probably have enough. If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

How much should i add. Often existing joist bays are filled with electrical and heating ducts that will need to be relocated. First head to the attic. In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.

Rather than sistering in deeper members which would involve moving wiring can i stack new 2x6s on top of the existing ones. But if it s framed traditionally with big lumber rafters the roof can stay in place. How to vault a ceiling. Positioning the new joist adjacent to the existing preserves precious ceiling but it does come with some potential complications.

Sistering installing new larger joists next to the existing ones is one way to bring your attic floor up to code. Pull down stair or ladder. Insulation levels are specified by r value. You ll have to remove the entire roof structure to vault the ceilings.

The higher the r value the better the thermal performance of the insulation. Sistering is the process of adding a new joist next to each existing joist. Attic hatch or door. If you have an attic there are quick ways to insulate the ceiling from above after drywalling it.

Affix rigid foam insulation to the attic side of the hatch or door. I need to convert an attic to livable space with minimal disruption to first floor habitation. Addition of engineered i joists. The recommended level for most attics.

The existing ceiling joists are 2x6s clear spanning about 11 feet 3 inches. To prevent sag in 2x6 s and strengthen at same time you could secure lengths of stainless steel or galvanized cable attach at each end of individual ceiling joists have cable go over a one or two spreaders or strut projecting down from the underside of the ceiling joist maybe 12 14 or so as not to lose too much headroom these could. Installing styrofoam ceiling tiles is one of the easiest ways to change an ugly ceiling into a beautiful one. If you see a complicated framework of 2x4s held together with perforated metal plates your roof is framed with trusses.

If you don t have an attic however there is. R value is a measure of insulation s ability to resist heat flow.