Player > Spells > Blast Door
Starfinder Character Operations Manual p.133
Level Technomancer 3
School conjuration (creation)
Casting Time 1 round
Range close (25 ft. + 5 ft./2 levels)
Effect wall up to 20 feet high, 20 feet wide, and 5 feet thick
Duration 1 round/level (D)
Saving Throw none; Spell Resistance no
You conjure a blast door up to 5 feet thick that blocks a hallway
no more than 20 feet wide and 20 feet high. If the door would not
completely block the targeted hallway, you canâ€™t cast this spell.
Any creature in the spaces where the door appears is harmlessly
shunted to a side of the door you choose. The doorâ€™s statistics are
those of a starship interior wall (Starfinder Core Rulebook 408).
It is airtight, and it protects against vacuum and radiation. When
the spell ends, the door vanishes without a trace.