How To Install J Channel Under Existing Siding

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.

How to install j channel under existing siding.

In from each end and deeply score the inner cutting line with a utility knife. Nail j channel pieces under the fascia. Install lengths of j channel along the inner edge of the fascia. Thanks for any advice.

The j channel will conceal the cut edges of the soffit lengths and will provide a watertight seal. Is this possible with the existing siding already there. Almost all of my windows have standard j channel that doesn t protrude very far. Mark out a notch 1 in.

This old house general contractor tom silva shows how to prevent water from leaking in behind vinyl siding. Cut and bend the drain tab. Even if i somehow put the new j channel over the original j for cosmetic purposes only that would suffice for me. For doors and windows cut and install the top j channel piece flush with the outer face of the side j channels.

For the doors cut your side j channel pieces similar to the way you did for the windows. See below for a shopping list and tools subscr. Longer than the width of the window. We would ve liked to put 3 j channel to give the windows a bolder look.