Smooth surface roll roofing can also be used as a valley liner.
Owens corning roof shingles installation instructions.
Must comply with local building codes.
Owens corning roofing requires the use of nails as the method of attaching shingles to wood decking.
Fasten on outer edges only.
Shingle application bundle staging alignment fastening hip and ridge caps vents etc.
A closed cut valley is recommended and is applied as follows.
Flashing details use of roofing cements after the job final inspection.
A lay a 36 wide valley liner of smooth surface roll roofing or owens corning weatherlockunderlayment or equivalent product.
Lay all shingles on one side of valley and across center line of valley a minimum of 12.
Fasten a minimum of 6 away from center line on each side of valley.
Strike a chalk line 2 from the center line of the unshingled side.
4 table of contents installation instructions.
Shingles 36 85 berkshire 36 39 woodmoor woodcrest 40 44 devonshire 45 49 duration series shingles 50 54 trudefinition duration storm 55 59 trudefinition duration max 60 64 duration premium 65 69 trudefinition weatherguard hp 70 74 oakridge 75 79 supreme classic 80 83 2 4 selvage mineral surface 84 85.
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Install instructions supreme shingles march 2020 3 1 2 self adhered ice water barrier use an owens corning self adhered ice water barrier on the eaves in all regions of the country where roofs have had a history of ice and water backup.
Owens corning roofing recommends that fasteners comply with astm f1667.
A 36 wide minimum 50 lb.
Browse owens corning roofing documents on shingles components warranties and more.
B lay all shingles on one side of valley and across center line of valley a minimum of 12.
Apply starting at the eaves edge and extend upslope a minimum of 24 inches from the interior wall line.