Use 3 8 or 1 2 plywood if you have to lay something down and lay it perpendicular to the truss chords.
Attic storage between tresses.
Select the roof truss and click the open object edit button.
Typically this type of upgrade will run you about 2 a square foot.
That means you could lay a 2 x 4 ft.
This same truss framed as a light storage truss costs just 87.
Some roofs are framed with special storage trusses that leave an open central space suitable for storage.
This storage area is not meant for occupancy but allows for storage up to 25 pounds per square foot.
On the general panel of the roof truss specification dialog.
Scrap of plywood over the chords and set about 40 lbs.
Had you incorporated a full sized attic truss in your roof i ll bet you could have created a 15 wide by 30 foot long room for less than 1 350.
Don t use 5 8 plywood as it only adds more weight.
A regular common truss with a 24 foot span and a 10 12 roof pitch with no storage space costs 69 in my market at this time.
Reducing the amount you can safely store.
We specified attic trusses and ended up with a storage area in the attic that is approximately 48 long by 18 wide.
So if your ceiling is unfinished you have some excess carrying capacity up there.
Is a safe estimate.
If you want a full blown attic truss with a room the cost of a single truss is just 158.
As you can see we put a layer of plywood down to create a very nice storage room.
Trusses can be designed to produce an open attic as shown in the picture.
In this case 11 7 8 will be used.
Change the bottom chord depth to match your floor structure depth for floor 2.
Of stuff on it.
Check the box beside force truss rebuild.
Check the box beside attic truss.
Spread web storage trusses are engineered to have a small area to allow storage within.
The center webs are usually spread wider to allow for storage in the center of the truss.
Access to attic storage if you want to use your attic on a regular basis or to store large items you may need to enlarge the access opening and install an access ladder or drop down stairs.
Then the remaining floor space can hold big ticket items like that christmas tree you refuse to take apart.