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23. CARPENTRY <br />23-1. All framing, including installation of headers, <br />bridging, blocking, furring, etc., shall be done in accord <br />with the best standard building practices and shall conform <br />to the building code. Stud walls shall have single bottom <br />plate and double top plate. Double studs around all <br />openings. Sheathing and sub -floor shall be securely nailed, <br />joints shall be made on joists and staggered. Sub -floor <br />shall be installed with adhesive and nailed. All stairs <br />shall have 3 horses. <br />23-2. Nail all exterior materials with galvanized nails. <br />23-3. Neatly caulk all joints between dissimilar materials <br />with a premium grade non -hardening caulk, as Mono acrylic <br />terpolymer sealent. <br />23-4. Tyvek shall he installed with no tears. <br />23-5. Install interior trim with neat, tight joints. Glue <br />and nail casing miters. Shim all jambs and cabinets so that <br />they are true and plumb. Window casings shall be picture - <br />framed. <br />23-6. All interior doors shall have no more than 1/2" <br />clearance between door bottom and finish floor. <br />23-7. All underlayment and sub -floor shall be nailed and <br />glued. <br />24. INSULATION <br />24-1. Foundation insulation - extruded polystyrene insula- <br />tion (Styrofoam or equal). Fit tight and even with top of <br />foundation. <br />24-2. Basement batt insulation - fiberglass, friction -fit <br />with 4 mil flame-retardent polyethylene vapor barrier. <br />24-3. Wall insulation - full -wall blown fiberglass; <br />minimum R-22. <br />24-4. Ceiling insulation - blown fiberglass; R-44. Provide <br />air chutes at each rafter space. Seal all holes through <br />plates for plumbing vents. <br />24-5. Vapor barrier - 4 mil polyethylene film. <br />24-6. Attic access doors - 6" thick block cf fitted poly- <br />styrene insulation. <br />25. WINDOWS <br />25-1. Windows shall be Pella clad double -hung windows, <br />with sash locks, full, flat screens and removable <br />colonial profile muntin bars, per plan. <br />25-2. Glazing shall be 1/2" insulating glass, including <br />garage. <br />25-3. Porch units - tfon Ray Glasswall 3 lite units. <br />26. DOORS <br />26-1. Patio units shall be Pella clad sliding glass doors, <br />with screen, lock and glazed with 3/4" insulating glass, <br />tempered. <br />26-2. Garage doors - Ideal Door Co. classic raised panel <br />doors, or equal, 1-3/8" thick; 4 section, overhead type <br />with torsion springs, rubber astragal and 2 metal <br />stiffeners per door. Equip all doors with Chamberlain Model <br />1060, or equal, opener. Provide wall mount control panel <br />with security switch. Eq­ip with obstruction senser and <br />automatic reverse. <br />