Install Ridge Vent Existing Roof

Below we ve compiled some helpful tips on how to install a ridge vent for metal roofing.

Install ridge vent existing roof. Snap a chalk line on either side of the ridge that is about an inch from the peak and cut the shingles along both. Cutting through the roof. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. How to install a ridge vent in an old house calculating venting area.

Using a circular saw with a carbide tip blade one of the roofers plunges the saw into the ridge at the ends and then follows the chalk line. A ridge vent is an important part of a home s roofing system. Tools you will need for roofing from amazon bostitch coil nailer https amzn to 2u1v8e2 shingle remover https amzn to 2fzu5wf roof snake https amzn to 2. How to add a roof ridge vent to an existing roof 1.

Position the aluminum ridge vent along the reference line. Time was about 1 hour and 15 minutes with 2 men. To begin the ridge vent installation they measure down 3 inches from the top of the ridge and snap a line to cut the opening for the ridge vent. Installing a ridge vent to ventilate the attic.

The total area of the vents in an attic normally equals 1 150 of the floor area. Remove all the shingle caps from the roof ridge from one side of the roof to the other by prying them up with a pry. Tools required circular saw dril. Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer.

Remove the ridge cap from the roof peak. You need to make a slot in the roof ridge to install the vents and if your roof has shingles. Installing the vent in an existing roof entails tearing off the ridge shingles and cutting away the upper 2 or 3 inches of roof sheathing on each side of the ridge with a circular saw. Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.

A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.