Cement Board Siding Joints

It s available in many styles and widths both smooth and wood textured and you still get the crisp joints and details that ll make your home s exterior stand out.

Cement board siding joints. If you have never heard of nichiha fiber cement siding you are not alone. Weatherside fiber cement siding is the one and weatherside fiber cement siding is the one and only solution for replacing or repairing old asbestos siding shingles. The joint covers protect the butt joint where two siding planks meet and provide an expansion joint to help prevent siding buckling. Joint covers are intended for use with hardboard and cement siding.

Caulk is usually used with fiber cement siding to prevent water intrusion at the butt joints. Fiberglass cement siding is a composite made of portland cement silica and wood fiber. However this detail may not be effective at sealing the ends allowing water to be absorbed and swell the board ends. A mark parlee a general contractor in des moines iowa responds in my experience water that gets trapped against fiber cement sidingcan be absorbed by the material causing joints to swell and shrink during freeze thaw cycles.

It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years. For pricing and availability. For pricing and availability. Do not caulk fiber cement siding butt joints edges.

Once painted it looks almost identical to wood. Fiber cement siding accessories. Your nearest restaurant bank theater or grocery store just might be sided with nichiha fiber cement board. James hardie is the world leader in fiber cement siding and backerboard.

A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint. Butt end joints should be installed with factory sealed or factory prefinished ends butted together in moderate contact. We ve been providing a better way to build for over 100 years. How to flash siding butt joints after the siding is installed.

A wraparound lower lip hooks the siding and requires one nail to hold it in place. Founded in the mid 1950s this diversified japanese company has been quietly producing fiber cement siding products for years mainly for commercial properties.