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WeatherGuard® HP Perforated Hip & Ridge Shingles Installation Instructions | Owens Corning Roofing
Owens Corning

Owens Corning® WeatherGuard® HP Hip & Ridge Shingles are designed to complement TruDefinition® WeatherGuard® HP Shingles.

Note: Off ridge vents should be used. Use of shingle-over ridge vent will affect the impact resistance classification.

Complete shingle application on roof deck before applying Hip & Ridge Shingles. Hip Shingles must be applied before Ridge Shingles. Note: If a new roof is being applied over an existing roof, remove the old Hip & Ridge Shingles to obtain a level application. Each shingle is perforated for separation into 3 Hip & Ridge Shingles.

Precautionary Note:

The manufacturer will not be responsible for problems resulting from any deviation from the recommended application instructions and the following precautions:

  • Roof Top Loading: Lay shingle bundles flat. Do not bend over the ridge.
  • Roof Deck: Minimum 6 inch roof deck boards, minimum 3/8 inch plywood, minimum 7/16 inch OSB, sheathing spaced minimum 1/8 inch and maximum 1/4 inch. Regardless of deck type used, the roofing installer must:
  1. Install the deck material in strict compliance with the deck manufacturer’s instructions.
  2. Prevent the deck from getting wet before, during and after installation.
  • Ventilation: Must comply with local building codes.
  • Handling: Use extra care in handling shingles when the temperature is below 40°F.
  • Storage: Store in a covered, ventilated area at a maximum temperature of 110°F. Bundles should be stacked flat. Do not store near steam pipes, radiators, etc.
  • Fastener Requirement: Use galvanized steel, stainless steel or aluminum nails minimum 12 gauge shank with 3/8 inch diameter head. Owens Corning recommends that fasteners comply with ASTM F1667. Must comply with local building codes. All Fasteners must penetrate at least 3/4 inch into the wood deck or completely through sheathing.

Notice: Owens Corning requires the use of nails as the method of attaching shingles to wood decking.

Hip & Ridge Application

Precautionary Note: Do not apply fasteners in the sealant strip.

  1. Apply Hip & Ridge Shingles as shown, bending them over the hip or ridge lengthwise.
  2. Apply ridges after hips have been applied, beginning on end of ridge opposite prevailing wind direction. See Fig. 1.
  3. Apply shingles with a 6 inch exposure.
  4. Fasten each shingle with 2 fasteners on each side, 1 inch and 2 inches from the edge for 110 mph wind. See Fig. 2. For 130 mph wind, install 2 nails placed 1 and 2 inches in from each side edge and 6 1/2 inches from the exposed edge. Hand sealing must be used to maintain the 130 mph wind warranty. Apply a 1/4 inch wide by 5 inch long bead of elastomeric sealant that meets ASTM C920 approximately 1 1/2 inches in each side. See Fig. 3.
  5. Apply remaining Hip & Ridge Shingles in the same manner with a 6 inch exposure.
  6. When finishing the ridge, leave no headlap portion of the last Hip & Ridge Shingle exposed. Use the 6 inch exposed portion of a Hip & Ridge Shingle, cutting a piece to the appropriate length and extend over the headlap portion of the shingle to the end of the ridge.
  7. Fasten final piece with 4 nails, each 1 inch and 2 inches in from each side edge and 1 inch in from the end of the ridge. Cover exposed fasteners with asphalt roof cement. Asphalt Roof Cement where required must meet ASTM D4586 Type I or II (Asbestos Free).

Note: Please be aware that excessive amounts of asphalt roof cement could blister the shingle.

Fig. A, B, and C

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