Attic Truss Timber Sizes

0 524 kn m ceiling dead load.

Attic truss timber sizes.

If the overhang extends beyond 24 inches say to 30 inches then a 2 6 top chord for the tail section will be required to handle the additional overhang. At minera roof trusses we manufacture our roof trusses attic roof trusses and engineered floor joists using the strongest grade of. Attic truss room size calculator a rooftop is part of a building envelope. 0 785 kn m snow load.

Duo timber trusses are the most popular of all types of roof trusses available. 360 mm general truss information. Pitch this is the incline of the roof expressed as a fraction. Meanwhile the 46mm thickness option is used for attic trusses due to fire regulation guidelines.

Usually 400 450 or 600mm but any value can be used up to 610mm max are there any brittle finishes e g. We usually opt for the 35mm thickness in timber when designing standard roof trusses. Standard roof truss general load settings. The word denotes the framing or composition which helps that covering also.

This is the distance between rafter centres. 0 250 kn m ceiling live load 0 250 kn m tank load 0 450 kn max tile batten centres. 600 timber thickness mm. Stubbed attic timber truss solution is used at high loads on the attic floor.

The truss can be designed and manufactured up to 35 meters with no additional load bearing walls in the middle. Member size grade tc 1 4 4 7 97 tr26 bc 6 10 72 tr26 bc 10 2 72 tr26 wb 3 8 5. This could be for fink trusses in a house construction or queenpost trusses for a garage. 28 foot 11 30 foot 12 32 foot 7 34 foot 1 36 foot 6 40 foot 5 50 foot 3 60 foot 3 when making a selection below to narrow your results down each selection made will reload the page to display the desired results.

The typical overhang for residential is between 16 inches and 24 inches. Plasterboard on the underside of the rafter. While pitch and slope are used interchangeably they are not the same span also known as gable width this is based on the total footprint of the house and refers to the distance between two exterior. Again this length can be adjusted to fit the need of the truss.