How much does a purlin weight?

Weight: 3.37 Lbs. Per Ft. Cee Purlin is primarily used as structural framework in buildings due to its lightweight and economical properties.

How much does a 6 C purlin weight per foot?

2.60 Lbs. Per Ft
Weight: 2.60 Lbs. Per Ft.

How far apart do you put purlins?

The maximum distance between purlins is five (5) feet on center. If your building site is in a region that is prone to heavy snow loads or high winds, then we may place your purlins closer together for added strength.

How far can purlins overhang?

Purlins should overhang the outside rafters by 12”.

How long is C purlin?

Cee Purlin lengths are cut to length from 6′-45′ in 1/8″ increments, though 20′ and 25′ are the most commonly chosen lengths.

What is the standard spacing of purlins?

4 to 6 ft.
The spacing of purlins on roofs and girts on wall is usually 4 to 6 ft. Numbers 20 and 22, U.S. Standard gage, are generally used for roofing; No.

What is typical roof dead load?

Dead Loads Normally, the dead load of a typical asphalt shingle roofing system with wood frames is 15 pounds per square foot. A clay-tiled roof, on the other hand, has a dead load of 27 pounds per square foot.

How far apart do purlins need to be?

The purlin are ultimately used to fasten the roof steel providing a diaphragm effect, along with the siding, when properly engineered and installed. Spacing is typically 24″ on center in low snow loads and is reduced based upon truss span and snow load.

Why is Z purlin stronger than C purlin?

Z purlins are much stronger than C purlins due to its continuous or overlapping capability. In this case, for the metal building with bigger roofing loading capacity.

Why Z purlin is better than C purlin?

Z Purlins are extremely strong and can support heavy structures although, C purlins have relatively less strength. Therefore, in buildings with a bigger roofing or loading capacity, Z purlins would be a better choice. They are commonly used in agricultural and industrial buildings.