Attic Settings

Access these settings via Env Data > Dialogs > Attic.

To learn about these settings on the Attic dialog, see Create an Attic Truss.

Field Descriptions


Setting Description

Room alignment

Align attic room in the Center, Left, or Right

Width of room

Dimension of the attic room width from inside of wall to inside of wall

Height of room

Dimension of the room height from bottom of tie beam to top of floor

Wall size

Lumber size for attic room vertical walls

RFM member size

Lumber size for filler depth. Filler depth is used when there is a gap between the attic wall and the tie beam and only the top chord is joining the two and the depth of the top chord needs to be deeper at this location. This command also adds a stacked chord in this area for the depth chosen.

Connect TB to highest SW joint; add filler

Connects TB (tie beam) to highest SW (side wall) joint and adds a filler member as long as a filler depth is specified. Future functionality.

Apply 'Attic Load' to this space

Default value of true activates the Apply 'Attic Load' to this space check box on the Attic dialog

Apply 'Mech Load' to this space

Default value of true activates the Apply 'Mech Load' to this space check box on the Mechanical Load dialog

Tie Beam present

Default value of true activates the Add Tie Beam check box on the Attic dialog.

Connect TB-SW joints with K-webs

Default value of true activates the Add K-webs for Tie Beam Joints on Sidewall check box on the Attic dialog.

Test Limit for merging TB joint with TC/SW joint Maximum gap for merging tie beam joint with top chord/side wall joint
Tie Beam, size Lumber material size for the tie beam

Tie Beam, web profile

Tie beam webbing profile. Similar to Web Profile commands, this is used to add additional webs to the tie beam area.

Room floor option

Select an option for the attic floor. Choose None, Stacked Chord, or Floor Truss.

Default BC size

Default lumber width for attic bottom chord

Floor Truss, TC size

Top chord material size of a webbed floor truss

Floor Truss, depth (overall)

Depth of the floor truss

Floor Truss, web profile

Webbed floor profile; similar to Web Profile commands.

Floor thickness adjustment

Sheathing depth. Ensures the room's height meets requirement after sheathing is applied.

Wall thickness adjustment

Drywall thickness. Ensures the room's overall width meets requirement after drywall is applied.

Ceiling thickness adjustment

Celing thickness
LL defl L/d control, Attic Room

Deflection limit (live load) value for attic

TL defl L/d control, Attic Room Deflection limit (total load) value for attic