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Stairs

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**Stairs Overview:**
– Stairs are structures designed to bridge vertical distances.
– They consist of steps that enable passage to higher levels.
– Stairs can be straight, round, or consist of connected pieces.
– Staircases and escalators are types of stairs.
– Stairs are essential for egress paths and accessing different levels.

**Components and Terms:**
– Stairs consist of treads, risers, and nosings.
– Staircases include landings, handrails, and balustrades.
– Stairs can be straight, change direction, or form circular constructions.
– Box stairs are built between walls without additional support.
– Stairways are metaphors for achievement or hierarchy.

**Steps and Support:**
– Tread is the stepped part of the stairway.
– Riser is the vertical element between steps.
– Nosing is the edge of the tread that protrudes over the riser.
– Stringer supports the treads and risers in staircases.
– Winders are used to change the direction of stairs without landings.

**Handrails and Balustrades:**
– Balustrade prevents falling over the edge.
– Banister is the angled member for handholding.
– Volute is a handrail end element that curves inward.
– Turnout deviates from the normal handrail center line.
– Railings can be present on one or both sides of stairs.

**Handrail Components and Staircase Terminology:**
– Components like gooseneck, rosette, easings, core rail, and baluster are essential.
– Newel posts include newel, half-newel, newel drop, finial, and baserail or shoerail.
– Balcony railing elements like fillet, continuous handrails, post-to-post handrails, tangent method, and quarter-turn caps are significant.
– Staircase terminology includes treads with two balusters, winder stairs, handrail stability, core rail strength, and baluster support.

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