Winona's R-T-P Company is expanding in Winona.
The City of Winona has issued a permit for a new 46,500 square foot building to be constructed at 1520 East Sanborn Street.
The building will be a manufacturing building and warehouse and is expected to cost $1,752,000.
It will be constructed by the Schwab Company of Winona.
R-T-P is a world leader in specialty compounds and is privately owned.
The permit was one of nine building permits the city issued last week representing $1,175,000 in new construction.