Sleeve (construction)

Steel sleeve used to create a pipe penetration, with uneven rockwool packing, making an incomplete firestop.
Notice the sleeves, fastened to the timber forms before the concrete is cast.
improper sleeving in a drywall assembly.

In construction, a sleeve is used both by the electrical and mechanical trades to create a penetration.

Purpose

Materials

Sleeves can be made of:

Requirements

Hazards

See also

External links