- Unlike a conventional home which has a foundation, most mobile homes depend on blocks or piers for support.
- If the block or pier footings have been improperly placed under the home or are disturbed, the home’s floors will become uneven and sink or heave.
Subsequently, How do you fix a sagging floor in a mobile home? 
What causes soft spots in mobile home floors? Mobile Home Floor Problems. Soft spots are a big problem in homes with particle board floors. They occur when the subfloor gets wet, causing the sub floor material to fail. Soft spots frequently occur in bathrooms, under flower pots, below windows, and behind washing machines.
Yet, How do you level a mobile home subfloor? 
How do you jack up a level in a mobile home? 
What causes soft spots in trailer floors?
The leading cause of a soft spot on your RV floor is water damage. Perhaps it’s rain leaking into the RV, but sometimes it’s your sinks and showers. Runoff from doing dishes and showering can cause soft spots in front of sinks and showers.
How long do trailer floors last?
If you are careful to sweep out the manure and bedding after using the trailer, a wooden floor will last many years. I have a 16 foot stock trailer that we have used to haul cattle with for about 25 years, and the floor is still in good shape.
Why do mobile home floors get soft?
They occur when the subfloor gets wet, causing the sub floor material to fail. Soft spots frequently occur in bathrooms, under flower pots, below windows, and behind washing machines. Soft spots are less common in newer homes that have plywood or OSB (Oriented Strand Board) subfloors.
Can I put new subfloor over old subfloor in a mobile home?
This is not always the case in a mobile home, however, where subfloors may be made of lesser-quality particleboard. Mobile home subfloor thickness may be of some concern, and installing plywood over this subfloor can give you a stronger base for your hardwood, laminate or carpeting.
How thick is the subfloor in a mobile home?
Measure Your Subfloor Thickness Most subfloors are either 3/4′′ or 5/8′′ thick. You will use the measurement to set your circular saw to the proper height. One of the most tedious parts of replacing subflooring in mobile homes is the removal of the original sub-flooring.
How do you fix a weak floor in a mobile home?
How do you fix soft spots on a trailer floor?
How high should a mobile home be off the ground?
Because manufactured homes must conform to state transportation guidelines, the maximum allowable height stands at 13 feet, 6 inches from the ground to rooftop. This generally equals the ceiling height norm in site-built homes, which typically runs between 9 and 10 feet.
Is it better to put mobile home on foundation?
Modern-day Mobile Homes Unless they’re permanently affixed to foundations, though, manufactured or mobile homes may depreciate. If you want your manufactured or mobile home to have a chance at appreciating in value rather than depreciating, permanently affix it to a foundation.
What makes a mobile home a permanent foundation?
Permanent foundations must be con- structed of durable materials; i.e. concrete, mortared masonry, or treated wood – and be site-built. It shall have attachment points to an- chor and stabilize the manufactured home to transfer all loads, herein defined, to the under- lying soil or rock.
How thick should a concrete slab be for a mobile home?
Slab Foundation Slab foundations for manufactured homes consist of a 4 to 6 inch deep flat, concrete foundation, with another 4 to 6 inches of gravel or sand beneath it.
How much weight can a mobile home roof hold?
While specifics vary, most mobile home roofs can hold up to 30 pounds of live weight per square foot. It’s the same strength as indoor flooring is required to have according to most state building codes. Even a mobile home with a roof weight limit of 10 pounds per square foot can hold substantial weight.
What kind of dirt do you use in a mobile home pad?
The most common and bank accepted type of foundation is referred to as caliche which is gravel with a lot of calcium carbonate (think lime stone).
How do you Relevel a single wide mobile home?
