Side Over Existing Wood Siding

The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold.

Side over existing wood siding.

This project requires patience and accuracy. Yes you can put vinyl siding over existing wood siding assuming its condition is still good. Next j channel strips must be installed vertically at the ends of all walls and around windows and doors before you can begin to snap in the siding snap panels. A fastening strip will need to be installed about an inch above the bottom of the existing wood siding in order to hold the first strip of siding.

Even though most reputable contractors will never install siding over existing siding there are knuckleheads out there that will say you can do it and it s not a problem. These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter. If you think you ve got what it takes read the steps listed below and learn about how to install vinyl siding over your wood siding. According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped bowed curling delaminated or rotting.

If it isn t there will be more steps that need to take place before it becomes possible and you might need the help of wood siding repair contractors to have the bad boards replaced which isn t always easy to do for the homeowner himself. Furring strips help. If the siding cedar or hardboard is in good shape and the substrate is wood it is foolish to remove the old siding. In new construction it typically is installed over wood wall sheathing wrapped with rigid foam insulation and a moisture barrier.

Find out if it is possible to install cedar siding directly over other siding materials like wood vinyl or brick. Why siding over existing siding is a bad move. In some cases you can install cedar but you need to make special preparations before installing the cedar. Cedar shingles can improve the look of an existing wall but it doesn t go over everything.

On existing houses old vinyl or metal siding must be removed but. It also eliminates the problem of mold forming when insulation is attached directly to the substrate.