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With each rank of this perk, all of your explosive weapons do an additional 20% damage.— In-game description

Demolition Expert is a perk in Fallout 3.


Each rank of this perk increases damage dealt with grenades and mines by twenty percent, up to a maximum of sixty percent.

Explosives affected by this perk:
Point Lookout (add-on) Bio-gas canister Bottlecap mine Mothership Zeta (add-on) Cryo grenade Mothership Zeta (add-on) Cryo mine
Frag grenade Frag mine Plasma grenade Plasma mine
Pulse grenade Pulse mine


Weapons that fire explosive projectiles, such as the missile launcher or Fat Man, are classified as Big Guns and thus are not affected by this perk. However, the Fallout 3 Official Game Guide falsely claims that the perk affects missile launchers.