Benjamin Obdyke





		Requirements: Must be used with an equal or greater amount of soffit ventilation Installs on pitches 3/12 to 16/12 Use with standard 12” wide cap shingles Use 2-1/2” minimum nails to assure penetration of 3/4” into sheathing or completely through the sheathing
		Step 1: Cut a slot in plywood along roof ridge 2" wide (1" on each side). If ridge beam is present, cut slot 1" wide on each side of ridge beam. Allow for a closed area of sheathing 12" at both ends of ridge.
		Step 2: Place first piece of vent with female end 1" in from gable end and use centering line for proper alignment along peak. Fasten using at least two nails at each end and in middle of section in nail line area (2-1/2" minimum nail length). More may be required on steeper slopes to seat properly. Continue installing additional pieces along ridge sliding female end over male end, aligning using centering line. NOTE: In cold weather, allow a 1/8" gap between vent sections for expansion.
		Step 3: When reaching the other end, the last vent section may need to be cut to length. End plugs are provided every 12" on underside of the product. Measure amount needed to install to within 1" of the gable end. Cut that length in from end of vent section and flip around so that end plug is at gable end. Allow male tab from previous piece to slide under last piece and nail in place.
		Step 4: Place first cap shingle over vent so that it overhangs at least 1" over end of vent section. Install with 2-1/2" nails in nail line area as you work your way down the roof. Cut last cap shingle so that it overhangs vent 1" at other gable end.

		Helpful Hints: Optionally, you may install cap shingles on each piece as you go along, taking care to assure proper alignment. If installing on dimensional or architectural shingles on new construction, leave felt underlayment about 6" long at roof ridge and fold back under the vent so that vent is essentially installed on top of felt over the shingles. If re-roofing, caulk between low areas of shingle and baffle of vent after installation. Lines across top of product indicate where the end plugs are on the underside (every 12"). There is no need to flip the last piece if you measure and plan ahead to install on an even foot increment. The nail line area is completely free from obstructions except where the end plugs are (unlike other sectional ridge vents that can have nails deflect off of supports). By using the end plug indicators on top of product, you can easily avoid nails through the end plugs.

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