How To Install J Channel Under Existing Siding

Is this possible with the existing siding already there.

How to install j channel under existing siding.

Almost all of my windows have standard j channel that doesn t protrude very far. Thanks for any advice. Cut a section of new j channel 2 in. 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.

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. Cut a tab in the bottom of the side j channels and fold under. Install lengths of j channel along the inner edge of the fascia. See below for a shopping list and tools subscr.

The j channel will conceal the cut edges of the soffit lengths and will provide a watertight seal. Nail j channel pieces under the fascia. Cut and bend the drain tab. In from each end and deeply score the inner cutting line with a utility knife.

Even if i somehow put the new j channel over the original j for cosmetic purposes only that would suffice for me. This old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. Longer than the width of the window. For the doors cut your side j channel pieces similar to the way you did for the windows.