How To Brace Attic Roof Trusses

In this example a structure measuring 40 x 30 is used.

How to brace attic roof trusses. See product data sheet no 3 for more information. It can be nailed temporarily to each truss as the next truss is put in place. Step 3 brace first truss to ground. When all the trusses are installed and the first row of decking is on this brace is removed.

The rooms in the attic trusses depend on the length of the truss and the pitch or steepness of the roof. Use a plumb bob on a string to find the point on the upper cords or rafters of your. Step 5. Measure the width of your roof trusses from inside to inside.

3 place a two by four against the rafter along the bottom. Also plan for the temporary. Use a hammer and framing nails. Start bracing rafters or trusses on the first end installed.

Click the select objects button then click. Measure the area to be framed and plan for the number of trusses you will need. To create the structure. Yes you ll need a crane because a typical attic truss weighs well over 100 pounds.

Select file new plan from the menu to open a new blank plan. Select build wall straight exterior wall from the menu then click and drag to draw a rectangular structure. Keep the spacing 4 feet apart at most. To hold them up until the decking of the roof is placed on top a 12 foot 1 inch by 4 inch piece of lumber is used.

Measure in from the lower edge of the roof to a point 1 4 the width of the. Step 1 measure and obtain trusses. Step 4 install temporary bracing. Do you need a crane to set attic trusses.

Snap a chalk line against the rafters on both sides of the attic to mark the location of the braces. The longer the truss and the steeper the roof pitch the larger the room. Fasten rafters or truss ends to the wall caps on each side with framing nails once rafters are plumb. Usually trusses are put 24 inches apart.

Nail long 2 by 4 inch boards to the outside edge of each rafter and to stakes in the ground outside to hold the rafter pair or truss vertically plumb. The functions of roof bracing roof bracing performs three distinct functions. Step 2 lift trusses onto roof. Connect the trusses to walls.

Temporary bracing this is used to restrain the trusses during erection. It s safer to use a crane for all. How to alter existing roof trusses for an attic room.