The building was constructed originally circa 1840s within the grounds of the Provost's House as the stables, carriage and coach house building. The building comprises two storey stone construction, situated in the south grounds of Provost's House and to the west of the Trinity College Main Arts building.During the buildings' life it has been converted for different uses and more recently fully refurbished in 2007 to accommodate Trinity Colleges' Irish Art Resource Centre (triac). There is a front corridor lobby to the entrance of the building providing access to a students general study room with 15 desk spaces(originally the horse stalls), a seminar room to accommodate 12-14 persons, also male and female toilets are provided (one as an accessible WC) and a small receptionist desk space and kitchenette room. A platform type lift has been built into the structure at the east end of the building to enable wheelchair access to the first floor level. A similar external enclosed platform lift is provided on the paved access route from the main Arts Building, situated approx 80 metres east of the Triac building. On first floor level a large archive and library room is provided with a desk space, three further rooms accommodate cell office space and general administration desks accessed by two corridors.A main staircase for general access is provided at the east end of the building and a fire exit staircase serving the west end of the facility.