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Industry boss, Coolderry's Tom Parlon says the issue shows no signs of improving.
Representatives from the building sector expect costs to continue rising for the foreseeable future.
A new survey from the Construction Industry Federation found the price of building materials rose for almost all companies in the industry last year.
This pushes up the price of houses and home repairs for consumers.
Construction Industry boss, Coolderry's Tom Parlon says the issue shows no signs of improving.