Hammerbeam Roof Truss
A truss system is a combination of beams braces and rafters that help support a roof s weight.
Hammerbeam roof truss. They are traditionally timber framed using short beams projecting from the wall on which the rafters land essentially a tie beam which has the middle cut out. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. The hammerbeam roof was the culmination of the development of the arch braced truss allowing greater spaces to be spanned.
The hammerbeam roof of westminster hall in london designed by hugh herland and installed between 1395 and 1399 was the largest timber roofed space in medieval europe spanning a distance of just over 20 metres 66 ft. Hammer beam roof english medieval timber roof system used when a long span was needed. A hammerbeam roof is a decorative open timber roof truss typical of english gothic architecture and has been called the most spectacular endeavour of the english medieval carpenter. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.
Our hammerbeam pavilion kit is a timber frame classic featuring two heavy timber hammerbeam trusses. Not a true truss the construction is similar to corbeled masonry see corbel in that each set of beams steps upward and inward by resting on the ones below by means of curved braces and struts. The hammer beam truss this is a type of truss much used for supporting open timbered roofs especially in gothic halls and churches. It is believed to have been first used in the great hall of westminster palace fig.
The structure a hammer beam roof is analysed from the perspective of the king s carpenter hugh herland. 48 built in 1397 and different forms of it may be seen in many of the english buildings of the fifteenth century. In a hammerbeam roof a series of short wooden horizontal beams curved support beams and wooden. Add to list click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to your list.
This analysis is based on drawings made in 1913 to facilitate the repair of the roof and on the author s archaeological reconstruction of the carpentry based on those drawings. Compare click to add item 24 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Wedged through tenons hand crafted post ends and soaring curves are part of what make this hammer beam truss splendid.