How To Install J Channel Under Existing Siding

This old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding.

How to install j channel under existing siding.

See below for a shopping list and tools subscr. We would ve liked to put 3 j channel to give the windows a bolder look. For the doors cut your side j channel pieces similar to the way you did for the windows. Even if i somehow put the new j channel over the original j for cosmetic purposes only that would suffice for me.

Install lengths of j channel along the inner edge of the fascia. Almost all of my windows have standard j channel that doesn t protrude very far. Cut a tab in the bottom of the side j channels and fold under. Thanks for any advice.

Cut and bend the drain tab. Is this possible with the existing siding already there. You have to wrap the window with vinyl j channel to divert water and to cover the ends of the siding photo 9 you ll probably have to buy new strips for this. Your nails should be centered in the channel slots and the nail heads should remain 1 32 to 1 16 inches 0 7938 to 1 6 mm out.

Cut a section of new j channel 2 in. Nail j channel pieces under the fascia. Longer than the width of the window. Mark out a notch 1 in.