English to Spanish Other Engineering (general) sleeve

g) Cap all stub-outs to prevent entry of foreign materials.
h) Install venting, with boots and flashing, to the rear of the house, so vents are not visible from the front of the house.
i) Properly seal the penetrations at the foundation and side walls; sleeve as required.
j) Properly strap all pipes per codes.
k) Use chases and 2″ x 6″ walls as provided per plan.
l) Install framing blocking in showers and tubs as necessary.
m) Replace any framing removed for installations of tubs.

Buenas tardes, entiendo que SLEEVE está usada como verbo. No puedo encontrar una acepción como tal en caso de que realmente sea un verbo.

Muchas gracias.