Install Ridge Vent Existing Roof

Cutting through the roof.

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. Below we ve compiled some helpful tips on how to install a ridge vent for metal roofing. Remove the ridge cap from the roof peak. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.

Time was about 1 hour and 15 minutes with 2 men. 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. Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic. How to add a roof ridge vent to an existing roof 1.

Position the aluminum ridge vent along the reference line. Position a section of metal ridge cap over the peak of the metal roof with the end of the ridge cap flush with one end of the roof peak. 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. Cost was less than 100.

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. You need to make a slot in the roof ridge to install the vents and if your roof has shingles. 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. 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.

Mark a pencil line on the ridges of the installed metal roofing panels using the edge of the ridge cap as a guide. A ridge vent is an important part of a home s roofing system. The total area of the vents in an attic normally equals 1 150 of the floor area. Tools required circular saw dril.

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