Old House Roof Framing
The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.
Old house roof framing. Most roofs utilize 16 inch spacings for strength and rigidity. A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. Includes a frame bonnet gable hip mansard butterfly valley combination shed and more. It was originally built as a barn carrige house and was since converted over in 1910.
Mainetexan posted in construction techniques on june 11 2007 10 24am i am remuddling an 1880s balloon framed 1 5 story gable entrance house. Wooden headers in the roof framing may indicate that earlier chimneys or skylights have been removed. And the line length measurement from the roof peak to the building wall is the hypotenuse. Any metal ornamentation that might have existed may be indicated by anchors or unusual markings along the ridge or at other edges of the roof.
This primary evidence is essential for a full understanding of the roof s history. House frames can be made out of thick posts and beams the oldest framing method or extra long studs the balloon frames of the victorian era. Stick framing combines roof rafters with ceiling joists. Most old homes and many not so old homes simply are not built to take extremely strong wind.
Tommy silva gives the apprentices a lesson in hip roof framing. Like wall studs and floor joists rafters and trusses are spaced every 16 or 24 inches from center to center. Properly built the roof of a house should be tied to the walls and the walls tied to the foundation so that the structure has a continuous load transfer from top to bottom with all elements well connected. It is a waterproofing layer made of regular felt stacked above the solid.
Subscribe to this old house. The rise or height of the roof at its peak is the altitude of the triangle. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. Discover the 36 different types of roofs for a house.
A post earlier today about crossties reminded me of a similar project that i need to tackle. But tom silva typically frames in one story platforms consisting of 8 or 9 foot high stud walls resting on a plywood sheathed subfloor. This gallery includes terrific roof design illustrations so you can easily see the differences between types of roofs. The run or half the building span is the base of the triangle.