How To Make Trimless Corners With Lap Siding

Learn how to install hardietrim boards on outside cornersof your next siding project with this instructional guide.

How to make trimless corners with lap siding.

Detail showing an outside corner featuring mitered lap siding. If you choose to install your trim over your lap siding lp smartside 440 series trim is a fine choice. Answer 1 of 2. We have used this application before.

Image via james hardie. The method discussed here is an easier and more common one installing corner trim first and then butting the siding to it. It is called a compound miter. Siding start lap siding inside corner matthew savage.

Hello alex we are one of the largest james hardie siding elite preferred contractors in maryland and we have done numerous james hardie installs. This makes for a classic look but calls for very good carpentry skills and boards that are certain not to shrink. To detail a mitered outside corner using james hardie s artisan lap siding a robust interior corner must first be constructed behind the fiber cement sheeting should be a breathable waterproof membrane followed by exterior sheathing and then an air gap with small wooden spacers screwed into the corner. Due to the angle of the siding you will first need to determine the angle at which the siding sits on the house wall which is typically between 10 15 degrees.

For an attractive corner install the trim on the sides of your house flush to the face of the house. Jlc live presenter peter heard shows how to create a perfect joint every time when mitering siding outside corners with beveled cedar siding. They seal the corners of the siding against water the most typical corner trim is 4 inches wide but you can make 3 inch or 6 or 8 inch corners if those widths fit the house design. Unsubscribe from matthew savage.