b'Roof DecksAcceptance of Roof DecksThe following was released as an OIRCA Risk Management Bulletin this past July.roof deck disclaimer, such as the one below, to their contract with the owner to reduce R oofing contractors are generally asked to assume the responsibility of acceptingthe likelihood that they could be held liable for any damages or losses as the result of the surface of the roof deck as suitable to attach the specified roofing materials ordefects or excessive moisture in the roof deck or substrate.system. Roofing contractors are not responsible for the construction, structuralRecommended clause:sufficiency, durability, and securement, moisture content or physical properties of theABC Roofing Ltd. shall not be liable for any claims or damages arising from defi-roof deck or other trades work or design. ciencies in the structural roof deck or roof system substrate. It is the building owners Installing a roof over a structural concrete deck that is not adequately dry can causeor their representatives responsibility, prior to the start of roofing, to consult with an an assortment of serious problems. A wet concrete deck can cause inadequate adhe- engineer or architect to determine whether the roof deck or roof system substrate is sion of roofing materials, putting the roof at risk of blow-off and poor system perfor- acceptable to receive the new roofing system. Our responsibility does not include the mance. Over time there is an increased risk that moisture will migrate into the roofingevaluation of the roof deck to assess its moisture content.system, causing premature deterioration of system components, ultimately reducing itsThis bulletin is circulated for the purpose of bringing risk management information to the at-ability to perform as designed. tention of the reader. The content, opinions and conclusions, if any, are not intended to provide the Roofing contractors are not responsible for the effects of moisture migration origi- reader with conclusive risk management advice and the reader should not act only on the informa-nating within the roof deck or substrate. Their commencement of the roof installation indicates only that they have visibly inspected the surface of the deck for visible defectstion contained in this Risk Management Bulletin without seeking specific professional advice. Nei-prior to commencement of roofing and the surface of the deck appears to be dry. Thether the OIRCA nor any of its officers, directors, members or employees assumes any responsibility 28-day concrete curing period does not signify the deck is sufficiently dry. for any of the information contained herein or the consequences of any interpretation that the reader Members should consider adding a supplementary condition, contract provision ormay take from such information.14ONTARIO ROOFING NEWSISSUE 2 2019 THE ONLY SOURCE FOR PROFESSIONAL ICI ROOFING CONTRACTORS IN ONTARIO ORN'