Install Ridge Vent Existing Roof

The total area of the vents in an attic normally equals 1 150 of the floor area.

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. 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. 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. 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. 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. 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.

Mark a pencil line on the ridges of the installed metal roofing panels using the edge of the ridge cap as a guide. Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight. Tools required circular saw dril. Remove the ridge cap from the roof peak.

Below we ve compiled some helpful tips on how to install a ridge vent for metal roofing. Position the aluminum ridge vent along the reference line. 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. Cutting through the roof.

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. Installing a ridge vent to ventilate the attic. How to install a ridge vent in an old house calculating venting area.

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