Installing Cedar Shingles Over Existing Siding

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Installing cedar shingles over existing siding.

The facelift will certainly brighten the appearance of the house while entombing the paint but it s the installation that has neave concerned. Why siding over existing siding is a bad move. The contractor who successfully bid for the job has installed a layer of 1 4 in. These products are designed primarily to pad imperfections on the walls so the new layer of siding will lay flatter.

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. The most common practice when installing vinyl siding over existing wood shingles or clapboard is to first put up rigid foam or fan fold. How to install cedar shingle siding step 1. Fanfold insulation over the old shingles and is busy stapling up the new ones even as neave writes to fine homebuilding.

Install the windows and door jambs so you can trim the doors windows and corners of the house with wood trim. For example 16 inch long shingles should be installed with about 5 inch exposures. They also provide a flat surface for installing the cedar shingles. First install wood furring strips to nail the cedar shingles onto.

To achieve this the exposures should be slightly less than one third the length of the shingle. The shingles should also be installed to provide triple coverage with three layers of shingles covering the wall.