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Testimonials

“Island Sash and door is an intricate part of our team at MMBI. They are instrumental in both the design development and construction phases. During the design development phase their competent and well trained sales staff’s depth of knowledge regarding the construction components and assembly methods of all the product they sale help MMBI find the right fenestration system for each of our unique projects. During the construction phase ISD closely monitors scheduling and manufacturing, insuring the window are made to specification and delivered to the site on time. ISD’s Customer service team has always satisfied any of our customers’ requests. Great products, great service and competitively priced this is why MMBI consider ISD a preferred & trusted vendor on all our projects.”

Tim Coulter, Fall City

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