Cedar Siding Corner Flashing

Outside aluminum siding corners in different sizes.

Cedar siding corner flashing.

Thickness of the corner board will depend on the thickness of the siding. These siding corners provide both stability and protection while giving a seamless look to hardboard siding. Use overlapping 1x4s or 1x6s at outside corners or use 5 4 stock for a heavier look. Edge strip for corners.

Face width 1 3 4 per side at the bottom tapering to 1 1 4 at the top. 122 series corners are designed primarily for wood siding. The base of this outside siding corner is 1 11 16 wide from center to outside edge. Cedar shingle siding must never rest on the horizontal surface of flashing.

Siding corner is primed white and has a wood grain surface. Building siding flashing finish details for building corners. Corner boards are applied to the sheathing with siding fitting tightly against the narrow edge of the boards allowing for expansion and an adequate caulking bead. Otherwise it is possible for water to wick up the shingles and into the wall.

The most common are 3 4 inch or 1 1 4 inches thick. Flashing should be made from a non corrosive material and should extend a minimum of 2 vertically up the wall. Width is a matter of taste and proper proportion. This aluminum corner is for hardboard siding measuring up to 1 2 thick.

The 122 series corners are also available in copper or stainless steel by special order only and available in a wide variety of lengths and flange widths to cover most styles of wood siding. This aluminum trim is a great choice for siding corners lightweight yet durable.