The siding of my 1940 old house is cement, I want to buy new ones to replace some or try to fix them..?
Question:the cement boards are ahold by 1 " nails
Answers:
those are probably asbestos! caulk the damages with acrylic latex and paint.
Hardyboard is a composite/concrete siding that may work. If your boards are only slightly damaged you may be able to patch them with concrete patch then repaint. A lot cheaper than replacing.
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