Englert B4000 - Manual (Page 6)

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2.07.1 MILL FINISH GALVALUME (Bare)
A. A coating of aluminum zinc alloy applied by a continuous hot dipping process, offering greater corrosion resistance,
high temperature oxidation resistance, and heat reflectivity. Mill finish Galvalume carries a 25-year warranty.(AZ-55)
PART III – EXECUTION
3.01 INSPECTION
A. Verify substrate is uniform, even and symmetrical by running a string test. Inspect to assure that all purlins or sub-
structure/framing members are flat and insulation is embedded symmetrically so when the metal panels are applied, they
will not appear wavy or distorted.
B. Provide a written report of discrepancies or variations in the substrate to the Architect.
C. Do not begin installation until unsatisfactory conditions are corrected.
D. Do not proceed with installation until adjoining areas scheduled for stucco treatment have been stuccoed and washed
down. Do not wash down acid residues from stucco directly over the metal panels.
E. Commencement of installation shall signify acceptance of the substrate and adjacent conditions as being proper and
acceptable for treatment of roofing.
F. After beginning installation, submit approximately 500 square feet of product in place for Architect’s approval, before
proceeding with substantial work.
3.02 INSTALLATION
A. The metal panel system shall be installed plumb, level, and straight over a layer of 30 lb. felt, (dry) with a minimum 6” for
horizontal lap and 12” for end lap.
B. The (concealed) seam shall be equidistant and shall align for corners, hips, valleys, mullions, and columns in accordance
with architectural design parameters as shown on the drawings.
C. Installation shall be made in accordance with Manufacturer’s recommended procedures and layout drawings.
Manufacturer’s of construction De tails Handbook, SMACNA Architectural Sheet Metal manual, NRCA Roofing and
Waterproofing Manual and Handbook of Roofing Knowledge shall be used as guides and details whenever applicable.
D. No face penetrations or perforation shall be made in metal panels by fasteners without architect’s specific approval. All
panels shall be continuous with no horizontal end laps.
E. End lap all flashing and trim at least 3”. All gutters must me mitered, soldered and caulked with a lining of Ice and
Watershield applied at the laps to make it watertight. All butt joints must be caulked. Soldered areas shall be counter-
flashed or painted to match..
F. Exercise proper care during installation to avoid damage or scratching of the panels.
3.03 CLEANING AND PROTECTION
A. Peel of any strippable film on flashing as they are installed.
B. Complete all items on punch list.
C. Touch up all minor scratches and spots.
D. Remove all debris resulting from work under this Section.