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  2. Door security - Wikipedia

    en.wikipedia.org/wiki/Door_security

    The following are the types of doors typically used in residential applications: solid wood door, panel doors (hollow and solid core), metal skinned wood-edged doors and metal edge-wrapped doors, and Fiberglass doors (strongest of the residential type). Typically, door frames are solid wood. Residential doors also frequently contain wood.

  3. Door - Wikipedia

    en.wikipedia.org/wiki/Door

    Core material: Material within the door used simply to fill space, provide rigidity and reduce druminess. Hollow-core – Often consists of a lattice or honeycomb made of corrugated cardboard, extruded polystyrene foam, or thin wooden slats. Can also be built with staggered wooden blocks. Hollow-core molded doors are commonly used as interior ...

  4. Solid wood - Wikipedia

    en.wikipedia.org/wiki/Solid_wood

    Hollow core doors are much lighter than solid wood doors, cheaper and are easier to install. However, sound travels more freely through them, which can be a problem if the house is noisy or the occupants desire a lot of privacy. Also, hollow core doors should not be used as doors to the outside because they can more easily be broken open by ...

  5. List of EN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EN_standards

    EN 1168: Precast concrete products - Hollow core slabs; EN 1176-1: Playground equipment. General safety requirements and test methods; EN 1177: Impact absorbing playground surfacing. Safety requirements and test methods; EN 1325:2014: Value Management. Vocabulary. Terms and definitions

  6. Hollow-core slab - Wikipedia

    en.wikipedia.org/wiki/Hollow-core_slab

    Hollow-core slabs and wall elements without prestressed steel wire can be formed by extruders. The size of these elements will typically range in width from 600 to 2400 mm, in thickness from 150 to 500 mm, and can be delivered in lengths of up to 24 m. [1] The voids of the hollow core can be used as conduit for installations.

  7. Earthquake engineering - Wikipedia

    en.wikipedia.org/wiki/Earthquake_engineering

    Reinforced hollow masonry wall. A construction system where steel reinforcement is embedded in the mortar joints of masonry or placed in holes and that are filled with concrete or grout is called reinforced masonry. [55] There are various practices and techniques to reinforce masonry. The most common type is the reinforced hollow unit masonry.