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A box-spring (or divan in some countries) is a type of bed base typically consisting of a sturdy wooden frame covered in cloth and containing springs. Usually the box-spring is placed on top of a wooden or metal bedframe that sits on the floor and acts as a brace, except in the UK where the divan is more often fitted with small casters. The box-spring is usually the same size as the much softer mattress that is placed on it. Working together, the box-spring and mattress (with optional bed frame) make up a bed. It is common to find a box-spring and mattress being used together without the support of a frame underneath, the box spring being mounted directly on casters standing on the floor.
The purpose of a box-spring mainly lies in the trade-off between ventilating the bed through the bottom and structural stability of the box-spring itself.
The box-spring has a variety of advantages and purposes. Purposes include:
The first rectangular spring-cushioned wire frames to support mattresses did not have wood rims or cloth covers. These were called bedsprings. More and more box-springs are being made out of wood, then covered in fabrics. Wood makes a better support system for the newer memory foam and latex mattresses. The newest design in box-springs is the folding box spring made of wood or metal, then covered in fabric which can fold in half and can be sent by shipping and courier companies. [1]
With the increasing height of mattresses, manufacturers now make box springs in different heights so that the mattress and box spring pair maintain a standard height. Standard "high profile" box springs are 9 inches (23 cm) in height, whereas "low profile" box springs are between 5 and 5.5 inches (13 and 14 cm). Changing the thickness of the box spring and mattress require revisions to the mattress and box spring coil stiffness. This is often why box springs and mattresses are matched and sold in pairs.
Box-spring beds are especially popular in North America and Western Europe.
Alternatively, in Japan, futon mattresses are usually either placed on a bedframe or on the floor, without the use of springs.
In Europe, wooden frames with a middle section consisting of springs held in place by wire (to be put into the wooden bedframe as a unit) used to be the standard for most of the 20th century. The springs have mostly been replaced by pre-bent wooden slats (usually glued laminated timber made from beech or birch) which are joined to the outer wooden frame by some form of flexible rubber bolt, shoe or socket. This lath floor provides suspension, allows the mattress to ventilate, and can be designed to be vertically adjustable in order to elevate the legs and / or the torso. A more simple approach is to join straight laths with a textile strap so that they can be rolled up for transport and placed right into the bedframe.
A wall is a structure and a surface that defines an area; carries a load; provides security, shelter, or soundproofing; or, is decorative. There are many kinds of walls, including:
A futon is a traditional Japanese style of bedding.
A shoji is a door, window or room divider used in traditional Japanese architecture, consisting of translucent sheets on a lattice frame. Where light transmission is not needed, the similar but opaque fusuma is used. Shoji usually slide, but may occasionally be hung or hinged, especially in more rustic styles.
A mattress is a large, usually rectangular pad for supporting a lying person. It is designed to be used as a bed, or on a bed frame as part of a bed. Mattresses may consist of a quilted or similarly fastened case, usually of heavy cloth, containing materials such as hair, straw, cotton, foam rubber, or a framework of metal springs. Mattresses may also be filled with air or water.
Bedding, also called bedclothes or bed linen, is the materials laid above the mattress of a bed for hygiene, warmth, protection of the mattress, and decorative effect. Bedding is the removable and washable portion of a human sleeping environment. Multiple sets of bedding for each bed are often washed in rotation and/or changed seasonally to improve sleep comfort at varying room temperatures. Most standardized measurements for bedding are rectangular, but there are also some square-shaped sizes, which allows the user to put on bedding without having to consider its lengthwise orientation.
A bed is an item of furniture that is used as a place to sleep, rest, and relax.
Lath and plaster is a building process used to finish mainly interior dividing walls and ceilings. It consists of narrow strips of wood (laths) which are nailed horizontally across the wall studs or ceiling joists and then coated in plaster. The technique derives from an earlier, more primitive process called wattle and daub.
In beekeeping, a Langstroth hive is any vertically modular beehive that has the key features of vertically hung frames, a bottom board with entrance for the bees, boxes containing frames for brood and honey and an inner cover and top cap to provide weather protection. In a Langstroth hive, the bees build honeycomb into frames, which can be moved with ease. The frames are designed to prevent bees from attaching honeycombs where they would either connect adjacent frames, or connect frames to the walls of the hive. The movable frames allow the beekeeper to manage the bees in a way which was formerly impossible.
A lobster trap or lobster pot is a portable trap that traps lobsters or crayfish and is used in lobster fishing. In Scotland, the word creel is used to refer to a device used to catch lobsters and other crustaceans. A lobster trap can hold several lobsters. Lobster traps can be constructed of wire and wood, metal and netting, or rigid plastic. An opening permits the lobster to enter a tunnel of netting or other one-way device. Pots are sometimes constructed in two parts, called the "chamber" or "kitchen", where there is bait, and exits into the "parlor", which prevents escape. Lobster pots are usually dropped to the sea floor, one or more at a time, sometimes up to 40 or more, and are marked by a buoy so they can be picked up later.
A lath or slat is a thin, narrow strip of straight-grained wood used under roof shingles or tiles, on lath and plaster walls and ceilings to hold plaster, and in lattice and trellis work.
Plasterwork is construction or ornamentation done with plaster, such as a layer of plaster on an interior or exterior wall structure, or plaster decorative moldings on ceilings or walls. This is also sometimes called pargeting. The process of creating plasterwork, called plastering or rendering, has been used in building construction for centuries. For the art history of three-dimensional plaster, see stucco.
A bed frame or bedstead is the part of a bed used to position the bed base, the flat part which in turn directly supports the mattress(es). The frame may also stop the mattress from sliding sideways, and it may include means of supporting a canopy above. There are several types of Bed Frames found around the globe. They are typically made of wood or metal. A bed frame includes head, foot, and side rails. The majority of double (full) beds and all queen- and king-sized beds necessitate a central support rail, often accompanied by additional feet that extend towards the floor for stability. The concept of a "bed frame" was initially introduced and referred to between 1805 and 1815. This foundational support system not only reinforces the structure of the bed but also ensures its durability and longevity, distributing weight evenly to prevent sagging and enhance overall comfort. Not all beds include frames: see bed base.
This glossary of woodworking lists a number of specialized terms and concepts used in woodworking, carpentry, and related disciplines.
A mattress protector is an item of removable bedding that sits on top of, or encases, a mattress to protect it. Some mattress protectors also provide protection to the person sleeping on the mattress from allergens and irritants such as dust mites, bed bugs, mold, and dead skin.
A canopy bed is a bed with a canopy, which is usually hung with bed curtains. Functionally, the canopy and curtains keep the bed warmer, and screen it from light and sight. On more expensive beds, they may also be elaborately ornamental.
An adjustable bed is a bed which has a multi-hinged lying surface which can be profiled to a number of different positions. Common adjustments include inclining the upper body and raising the lower body independently of each other. Other common features include height adjustment and tilting the bed to raise the upper body or the lower body into the Trendelenburg or reverse Trendelenburg positions.
A bed base, sometimes called a foundation, is the part of a bed that supports the mattress. The bed base can itself be held in place and framed by the bedstead. In the United States, box-spring bed bases are very common. In Europe, sprung slats are much more common.
A bed skirt, sometimes spelled bedskirt, a bed ruffle, a dust ruffle in North America, a valance, or a valance sheet in the British Isles, is a piece of decorative fabric that is placed between the mattress and the box spring of a bed that extends to the floor around the sides. In addition to its aesthetics, a bed skirt is used to hide the ensemble fabric, wheels and other unsightly objects underneath the bed, or as protection against dust.
Ancient furniture was made from many different materials, including reeds, wood, stone, metals, straws, and ivory. It could also be decorated in many different ways. Sometimes furniture would be covered with upholstery, upholstery being padding, springs, webbing, and leather. Features which would mark the top of furniture, called finials, were common. To decorate furniture, contrasting pieces would be inserted into depressions in the furniture. This practice is called inlaying.