Proper Trailer Floor Framing Space

With many trailers the left and right perimeter of the bed are the trailer frame main beams.

Proper trailer floor framing space.

Remove any vertical pieces from the trailer except wheel wells so you have room to floor and frame traditionally. This image shows a gusset installation on a beveled corner. The last board fit the final space with the same spacing as the rest of the trailer floor. And as seen in the image a corner may not be a true sharp corner.

This allows a longer legal length than. Normal spacing is 16 inches on center from center to center though some floors may have joists on 12 inch or 24 inch centers. The other thing you need to consider is the forces that the floor is going to be encountering this effectively is your foundation so it s important for this to be really strong. Squaring a floor is done by making a 345 triangle on the top of the foundation.

Floor joists spaced on regular intervals span the areas between supports such as walls foundations girders and beams. The trick to framing is to have all your joists designed to be on 24 centers so when you place sub flooring which is 4 feet wide you know exactly where to screw into the floor joists. On others there are cross member extensions or outriggers that extend the bed on each side in front and behind the wheels. Still when framing a raised floor it s easier to think of floor joist spacing in terms of 12 16 or 24 inches on center because each joist is positioned along the header according to its center point.

This gusset is mounted on the frame bottom it s shown upside down because it will also serve to support the recessed deck. To find the actual distance between the inside edges of each adjacent floor joist subtract 1 inches from either 12 or 24 inches. This will make your floor system square and hopefully keep the rest of the house framing closer to square as you go up to the roof. Reinforcing the trailer frame corners is the first step to a more rigid trailer.

Remove decking then leave 20 24 of gaps in between. The numbers stand for the lenght in feet 3 4 5. How to floor and frame a tumbleweed tiny house on a trailer. I go through the steps to build the sub floor frame on a tiny house trailer.

The labeled figure near the article beginning illustrates a trailer frame that extends left and right beyond the main beams. The last step to complete this project is to reinstall the angle iron at the back of the trailer to cap off the ends of the boards. I go through the steps to build the sub floor frame on a tiny house trailer. This is done by securing it with a few screws from the top side.