Install Cedar Siding Around Windows

Extend the flex wrap at least 6 inches up the sides of each window opening.

Install cedar siding around windows.

No matter how you decide to install hardie siding around your windows and doors make sure that your openings are flashed correctly not just according to james hardie s installation instructions but to your local building code. Fasten a cedar starter strip the same thickness as the top of the beveled siding all around the house using a tape measure and level to set it level along the bottom of the wall. Install exterior trim around the windows and doors as needed. Install drip edge flashing along the tops of the window and door openings.

Begin the installation by wrapping the house with a waterproof membrane either 15 to 30 pound felt or semi permeable house wrap. Polysulfide or terpolymer rubber caulks or sealants to seal gaps around windows doors corners and other exterior joints that are exposed to potential water intrusion. This meant our new windows would have trim that was much wider than our old windows making it necessary to cut away a bit of our siding to sit flush with the edge of that new trim. Because we couldn t simply lift up the siding around our windows we had to work with renovation windows which mount from the outside rather than with a nail fin under the siding.

Available in a variety of colors and styles vinyl siding is widely used and favored by many contractors and do it yourselfers for its durability. If you plan to weave the shingles at outside corners see steps 6 and 7 you don t need outside corner trim. Be sure to choose a wood stain or material for the trim that will complement your new shingle siding. Waterproof the window sills by covering them with flex wrap.

Before installing siding.