News Releases

Guilbert Express ads New Sales Rep for the New England Territory

John DeSisto joins the Express Team as the Representative for New England

Guilbert Express is pleased to announce the appointment of Roof Source, LLC and Mr. John DeSisto as our representative in New England.  John is the President and Owner of Roof Source, LLC, an independent sales and marketing agent for the commercial and residential building trades.  Established in 2009, Roof Source currently represents GAF Commercial and Barrett Roof Systems in New England.

John DeSisto has over three decades of industry experience with extensive product knowledge in commercial roofing systems and applications.  His expertise and enthusiasm is highly regarded among area distributors, architects, contractors and building owners.  John is a member of the Northeast Roofing Contractors Association and a graduate of Stonehill College.

On behalf of Roof Source, John looks forward to representing the Guilbert-Express line and assisting with their expansion plans throughout the New England market.  For more information, please contact Roof Source at 508-478-6724 or by email to