Besides the chassis and roof down structural integrity manufactured homes are built much like site built homes.
Mobile home roof rafters.
You will need enough to place one frame every 16 inches on center.
Once the chassis has been built to specifications the builders will use a jig or template to built the floor joists from 2x6s or sometimes 2x8s for the higher quality homes.
Short story no you will not be able to add any additional weight to your home without beefing up its structural integrity or giving the weight its own support.
When a double wide is married together it forms a full truss that slopes down each side.
Flat or bowstring roof designs were often used in manufactured home construction until the mid 1980s.
Mobile homes use lateral roof trusses that go from one side of the home to the other and rest right on top of the sidewalls.
A flat mobile home roof comes from flat rafters or trusses.
Lay down plywood sheathing and roof felt.
A half truss is used on double wides and means what it says it s only half a truss.
Built to give the roof a sloped design to shed water trusses are the studs that support the roof sheeting.
A mobile home roof over involves placing a new roof or roofing material over your existing roof there s little to no material removed which can keep costs down.
Use rafter hangers to quickly assemble each rafter frame.
Less labor is needed and there are much smaller refuse fees.
Roof trusses are almost universally spaced 24 inches on center.
It will require some work but cheaper in.
Using 1 2 inch plywood lay down the sheathing over the entire roof.
By installing gutters and gutter spouts along the roof over of your mobile home and ensuring that rainwater drains away from your mobile home you will also be able to divert any excess water from the peers and skirting.
An easy to understand and follow how to video showing how to inexpensively repair sagging mobile home roof trusses.
Cut around openings for the roof and plumbing vents.
Newer manufactured homes and double wides with truss roof systems can be reroofed with some of the same materials used for flat and bowed roofs on older mobile homes.