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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> SECTION 04 00 20 -PREPARATION FOR MASONRY RESTORATION <br /> H. Remove any existing sealant at exterior pipes, conduits, louvers or vents penetrating the CMU that are to remain. <br /> I. Remove or correct any obstruction which might interfere with the proper application of new materials. <br /> J. At 4 doors frames, remove sealant at joint between door frame and CMU, if present. <br /> K. At the joints in the sheet metal coping covers on the West Elevation walls, remove any exposed sealant. <br /> L. At the head of the aluminum framed storefront window on the second floor above the front entrance, remove sealant <br /> at the joint between the head of the window frame and the CMU wall. <br /> M. Remove downspouts and store for reinstallation. <br /> N. Detach electrical conduit fastened to the face of the CMU block. <br /> O. At all elevations of exterior CMU, clean any mold, mildew and efflorescence from the exterior surface of the walls. <br /> P. Remove debris from existing materials to provide clean, dry substrate. <br /> 3.2 installation, general (not used) <br /> 3.3 SURFACE PREPARATION OF masonry <br /> A. See Section 04 01 20, Masonry Restoration. <br /> B. See Section 07 19 00, Water Repellants. <br /> C. See Section 07 92 00, Elastomeric Joint Sealants. <br /> End of Section 04 00 20 <br /> ©BOOMERANG DESIGN 04 00 20-2 510 Meadowlands Drive,Hillsborough,NC <br /> BD#1835 ORANGE COUNTY, NC 12/07/2018 <br />