About Us

The Macken family have very strong roots in the construction and hardware industry in Ireland. Having established as T&J Macken Building Contractors in Dublin in 1937, the company built many churches, schools and convents in the greater Dublin area. Part of the business then developed into a timber yard and timber sales in Dun Laoghaire, Co. Dublin before establishing as Irish Building Supply in 1970 and becoming a trusted name in quality building materials with excellent customer service.

Macken family

The Kilcoole store is an impressive 14,000 sq ft and serves as the company’s logistics hub, with an excellent and very quick delivery service to the greater Dublin and Wicklow areas. The company operates its own fleet of vehicles and its delivery service runs from 7am to 4pm Monday to Friday.


In 2022 the company expanded and now has two stores – Dun Laoghaire, Co. Dublin and Kilcoole, Co. Wicklow. Both stores are fully open to the public.


We supply to both B2B (construction companies, house builders, tradesmen etc) and B2C (self-builders, DIY enthusiasts and home improvements).

Dun Laoghaire Kilcoole