type of wood used for roofing

roof tiles

flat tiles – the simplest type, which are laid in regular overlapping rows. an example of this is the clay-made 'beaver-tail' tile german biberschwanz , common in southern germany. flat roof tiles are usually made of clay but also may be made of stone, wood, plastic, concrete, or solar cells.


board-and-batten roofing is a type of board roof with battens covering the gaps between boards on a roof as the roofing material. board-and-batten is also a synonym for single-wall construction, a method of building with vertical, structural boards, the seams sometimes covered with battens. spacers. battens may be used as spacers, sometimes called furring, to raise the surface of a material.


in architecture, structural engineering or building, a purlin is any longitudinal, horizontal, structural member in a roof except a type of framing with what is called a crown plate. in traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin.


because of this, jurisdictions which use the international building code prohibit the installation of new roofing on top of an existing roof that has two or more applications of any type of roof covering; the existing roofing material must be removed before installing a new roof.


roofing felt or other type of underlayment am. english under the roof covering for extra resistance to leakage. the word sarking is further used as part of the term scrim and sarking, a method of interior construction widely used in australia and new zealand in the late 19th and early 20th centuries.

timber roof truss

there are two main types of timber roof trusses: closed, in which the bottom chord is horizontal and at the foot of the truss, and open, in which the bottom chords are raised to provide more open space, also known as raised bottom chord trusses. closed trusses. closed/open distinction is used in two ways to describe truss roofs. closed truss:

board roof

a board roof or boarded roof is a roofing method of using boards as the weather barrier on a roof. board roofs can be applied in several ways, the basic types have the boards installed vertically and installed horizontally. double board roofs were sometimes used on railroad cars.