You can do the work on 2/3 vote assuming you have expenditure approval to that amount.
To keep peace in the building though it would be wise to keep other owners advised of your plans and to include them in the decision making, without unduly delaying the project.
Once you select the carpet for example, try to get a sample and put it on display. Tell them that if anyone objects, then THEY have to go out (with say 7 days) and find an suitable alternative. (That generally avoids any objections.)