The manufacture of planing mill products, including sashes, doors and blinds, was an important industry, the products being valued in 1905 at $5,173,422.
Among the industries of Belfast are trade with the surrounding country, the manufacture of shoes, leather boards, axes, and sashes, doors and blinds, and the building and repairing of boats.
Burlington is the most important manufacturing centre in the state; among its manufactures are sashes, doors and blinds, boxes, furniture and wooden-ware, cotton and woollen goods, patent medicines, refrigerators, house furnishings, paper and machinery.
In 1905 the city's factory products were valued at $6,355,754, three-tenths of which was the value of lumber and planing mill products, including sashes, doors and blinds.
The heating and ventilating arrangements are much the same as in the lean-to, only the top sashes which open are on the back slope, and therefore do not interfere so much with the vines on the front slope.