How To Put Gutter On An Old Roof
If the gutter is badly rusted or has been heavily coated with tar that you can t scrape out spray on a special adhesive primer before applying the tape protecto.
How to put gutter on an old roof. Prepare the gutter by scraping out as much old tar or caulk as possible. Wrap the aluminum strip tight around the underside of the gutter. This old house general contractor tom silva shows how to install an efficient rain handling gutter system. Now we are faced with tearing up the roof to reinstall the built in gutters and put the house back the way it should be at a cost of probably 20 000 or more.
Form strip miter joint at corner cover the joint between two lengths of gutter at each corner with a strip miter a 3 inch wide strip of aluminum. This old house recommends that gutters should slope inch for every 10 feet toward a downspout this keeps water moving away from your roof. Make sure that your gutters have the correct slope to allow water to move smoothly into your downspouts. Steel is stronger and.
Snap the sections together. How to install an efficient rain handling gutter system. Then use the information below to see what size gutter you need. If a roof s various drainage areas call for different size gutters go for the biggest one k style.
Cut a triangular section from. Secure it with eight pop rivets or sheet metal screws. 5 inch 5 520 square feet. Cut a two inch long notch in the front lip of the gutter with tin snips to join a rain gutter section.
Ice dams can also occur on metal roofs and can cause damage. It s much easier to join sections on the ground than to work from the top of a ladder. Wire brush the metal thoroughly to get rid of rust and to give the tape a clean surface for bonding photo 1. If you have a choice between steel and aluminum systems which is best.
Multiply the drainage area by the roof pitch factor and rainfall intensity to find out the adjusted square footage. Gutter components are made by several manufacturers and are available through lumberyards. Subscribe to this old house. I did insist the built in gutters be put back on the front porch when it was first redone in 1997 and they are lined with copper so they should never go bad.