Modify Trusses For Attic Space

Measure the width of your roof trusses from inside to inside.

Modify trusses for attic space. How to alter existing roof trusses for an attic room. Click here to get free fast bids from local structural engineers who can help you modify your trusses. I want to modify this truss by taking the slanted supports and have them go vertically. And then support the rest as an open plan.

Usually chosen for low cost materials and production fees the trussed roof eliminates potential living space due to its large frame. Because attic trusses require specific conditions to be met before they can be created we ll begin by drawing a simple structure that meets those requirements. I guarantee you he ll come up with a design that requires you to install a much larger bottom chord. I have a two car garage with attic space above.

Select file new planfrom the menu to open a new blank plan. When to modify trusses for attic space the trussed roof has a w shaped support system placed into triangular sections that are designed to maximize roof strength. Don t modify cut wood trusses. Then once the floor system is in place it s much easier to move around.

Then cut away the trusses. A structural engineer who knows all about roof truss design may be able to come up with a design that allows you to modify all the small angled pieces of 2x4 that connect between the top and bottom chords. Things you ll need tape measure 2 inch by 4 inch lumber circular saw framing nail gun reciprocating saw. Attic trusses are great for living space or storage space.

Select build wall straight exterior wallfrom the menu then click and drag to draw a rectangular structure. The pitch is 9 12 and the current roof truss configuration is a queen post. You can modify the trusses but it s an enormous amount of work. 2x6 rafters installed with collar ties at about 8 5 feet and plywood gussets with engineered nailing patterns at the peaks.

Also if you decide to do this you must work hand in hand with a licensed structural engineer that s familiar with wood trusses. Use a plumb bob on a string to find the point on the upper cords or rafters of your. Measure in from the lower edge of the roof to a point 1 4 the width of the. If you really want to modify the framing of your attic and roof then consult with a licensed professional structural engineer.

Doing it for about 80 a foot and it will add about 500 square feet. My recommendation is really simple.