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        Hartgrove Insurance, A Branch of TWFG Insurance Services. Blog: big iView the latest blog posts from Hartgrove Insurance, A Branch of TWFG Insurance Services.. 
        
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		Tuesday, May 4, 2021In 2020, the average cost of U.S. commercial building materials—such as lumber, masonry, steel, roofing, insulation plumbing and drywall—increased by 9.6%, according to CoreLogic®. All construction material aggregates have seen cost increases from this time last year. READ MORE >>
	 
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