Purlin

For the roof we will require a ridge against the wall of the dwelling house, sash-bars running at right angles to this, a "purlin," or support, midway of these, and a sill for the lower ends. ❋ Unknown (1930)

I got up, and holding tightly to the purlin — for the waves made the masts tremble with their violence — I tried to look around and below me. ❋ Unknown (2003)

The purlin roof consists of both rafters and purlins. ❋ Unknown (1999)

The static system of the roof structure as a whole is then no longer a truss but can be a purlin roof (see Section 2.3), a double-hinged arch or bent. ❋ Unknown (1999)

Material input low, but requires connectors, fasteners high (requires rafters, posts, struts, purlins and battens) less material input than for purlin roof ❋ Unknown (1999)

One of the main disadvantage of the truss is that the strength and stability of its elements is to be designed by an engineer while the other roof structures, especially the purlin roof, can be built by carpenters and steel workshops themselves. ❋ Unknown (1999)

Eaves purlin anchored to the ring-beams on waiting rods laid during the pouring of the ringbeam. ❋ Unknown (1995)

The attachment of the lower edge of the roofing sheets is reinforced at the level of the eaves purlin, which lays on the top of the verandah posts 'at the end of the ring-beam, by 6 mm diameter rods laid during the pouring of the ring-beam concrete which are then bent round the eaves purlin. ❋ Unknown (1995)

Firm anchoring is also ensured at the level of the eaves purlins by attaching them to the ring-beam using 6 mm diameter rods previously put into place during pouring and then bent back over the purlin, the upper part of which had been pared down. ❋ Unknown (1995)

Around the top of the walls a reinforced concrete ring-beam in a lost formwork of earth blocks also serves to anchor the eaves purlin on which restes the lower edge of the steel roofing sheets which then extende beyond the wall. ❋ Unknown (1995)

The bay of these 7 × 15 section angelica wood joists has an inter-axis of 56.7 cm and 47 cm on either of the bracing tie-beam of the roof structure; this tiebeam forms part of the joist system and takes up the purlin brackets of the roof overhang of the gutter roofs. ❋ Unknown (1995)

But collar beams may also be built into a purlin roof when the roof room is very high and shall be used effectively. ❋ Rolf Becher (1993)

If there is no supporting wall but only columns, it is called purlin. ❋ Unknown (1993)

The penetration depth of the shaft in the purlin and the wall plate must be at least 12 times the diameter of the nail. ❋ Unknown (1993)

Figure 5 1 king post, 2 attic beam, 3 angle brace, 4 roof rafter, 5 trussed purlin, 6 room limitation by king posts, 7 inferior purlin ❋ Rolf Becher (1993)

Figure 6 1 attic beam, 2 king post, 3 angle brace, 4 trussed purlin, 5 height limitation by trussed purlin ❋ Rolf Becher (1993)

Insert the straightedge between the roof boards and the inferior purlin and press it against the roof rafter. ❋ Rolf Becher (1993)

Transfer front face of inferior purlin onto straightedge. ❋ Rolf Becher (1993)

The cover straps shall be produced for re-proofing a building by displacement of the rafter foot of a purlin roof. ❋ Rolf Becher (1993)

Perpendicular line is front face of inferior purlin. ❋ Rolf Becher (1993)