Instructions / Assembly
9
VALLEY
Fillers cut from Closure Strips
Underlayment
Metal valley
Roof deck (OSB)
10”
10”
Ice and water shield
Roof deck (OSB)
Center full width of ice and water leak barrier in valley directly over sheathing. Install a minimum of 20” wide metal valley
over ice and water leak barrier in 8’ to 10’ secons in shingle fashion overlapping a minimum of 6”. Preformed “w” style valley
is preferred. Secure every 24” o.c. with cleats or large head nails. Seal nail heads with compable sealant and run shingle
underlayment. Install shingles, trimming to leave open valley. Install closure pieces to close corrugaons, carefully fastening
shingles to minimize penetrang metal valley.