-Full Tear-Off: • Remove and dispose of up to ( 1 ) layer of existing siding down to the sheathing. All jobrelated debris will be cleaned up daily and disposed of. • Inspect sheathing for defects and replace after Change Order (CO) has been approved. Underlayment / Weather Proofing details: • Install new house wrap according to manufacturer specifications. All seams and joints of house wrap to be sealed with flashing tape. • Install color coordinated drip cap flashings over all windows and doors where applicable. • Seal penetrations with seam tape prior to installation of new accessory channels, blocks, and siding. Corner Trim: • Install new 4” composite trim boards on main corners of building to provide a proper termination for siding panels. • Starter strip: • Install custom fabricated starter strip at base of facility along bottom of sheathing to build out first course of siding to proper angle. Siding to overlap starter approximately ¼” to hide starter. Siding installation: • Install new (James Hardie – pre-finished, Fiber Cement siding) according to manufacturer’s specifications and best practices installation guidelines including the following: • Panel fit: Custom fabricate panels for proper fit around openings and penetrations leaving Proper gaps for expansion and contraction. • Field joints: All siding panel ends that terminate in the field must terminate on a stud. Any field butt joints will be factory finished / primed ends and not field cut ends. • Field joint flashings: All field joints to have flashing installed behind joint to overlap over the top course below the joint and extend up past top of course where joint is being flashed. • Joint Stagger: In the event of multiple field joints, joints will be staggered a minimum 32” from one course to the next per manufacturer’s recommendations. • Nailing: Corrosion resistant fasteners to be used and placed into studs at 16” or 24” on center with nails to penetrate studs a minimum 1 ¼” in accordance with manufacturer’s installation guidelines. Nails to be installed approximately ¾” to 1” down from top edge of the board and kept approximately 3/8” off of ends according to best practices installation guidelines. • Roof-to-Wall Clearance: Keep a minimum 2” clearance at roof to sidewall transitions to help prevent moisture from wicking up behind panels. Cut edges of siding to be primed / painted prior to installation. • Horizontal flashing: Leave a ¼” clearance over Horizontal flashings to allow moisture to weep out of the system. • Grade clearances: Keep a minimum 6” clearance from grade / ground to 1st course of siding. • Transitions: Leave 1/8” gap at all siding to trim transitions to allow for expansion and contraction and provide an area to caulk. • Caulking: All siding to trim termination joints to be caulked with professional grade sealants (Quad) to prevent air and water infiltration
