Begin the installation by wrapping the house with a waterproof membrane either 15 to 30 pound felt or semi permeable house wrap.
Install cedar siding around windows.
Before installing siding.
Install drip edge flashing along the tops of the window and door openings.
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.
Pure silicone and clear caulks do not work well on western red cedar and are not recommended.
Be sure to choose a wood stain or material for the trim that will complement your new shingle siding.
Install exterior trim around the windows and doors as needed.
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.
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.
Waterproof the window sills by covering them with flex wrap.
Installing vinyl 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.
Extend the flex wrap at least 6 inches up the sides of each window opening.
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