Job Reference: __________________________________________________
Tracking #: _____________

Dear Architect/Owner:

KMAC, Inc. would like your approval for the above referenced project.

KMAC, Inc. is the area-licensed applicator of Hacker Floor Underlayments.  Hacker Industries, Inc., manufacturers of UL-rated gypsum floor underlayments that are installed over subfloors made of wood, precast concrete or other substrata.  Used in new apartments, condominiums, homes and commercial buildings as well as renovation  projects.  Hacker Floor Underlayments provide a smooth, flat subfloor with excellent indentation resistance, ready for virtually any finished flooring.

Please add Hacker Industries, Inc. to your specification list for cementitious floor underlayments.  The Sweet's reference number is 3650, and the Spec-Data number is 3500.  Our products include for strengths of FIRM-FILL Gypsum Concrete with PSI strengths from 1200 to 5500, plus GYP-SPAN Radiant for radiant heating systems.

Our website, www.kmacmn.com , features the latest information regarding our products.  Also see the ICBO evaluation report on our products.  The website www.afsonl.com , Architect's First Source for Products, also has information on our products.

To receive additional information, complete the form below and FAX this letter to (320) 587-0650, or call (320) 587-9697 with any questions.

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KMAC, Inc.