Cedar Siding Cupping

Cedar siding with a timeless beauty that is as yet unmatched requires diligent and costly upkeep.

Cedar siding cupping.

Wood cupping uneven moisture content the moisture variation contribution to wood board cupping occurs because when a wooden board has uneven moisture content across its thickness it will tend to expand more on its more wet side causing that side to arch or become convex while the opposing side becomes concave or cupped. Either radially like one cuts a pie or horizontally similar to slicing a tomato. Wood siding likely cedar in your case can be sawn from the tree in one of two ways. Once the paint starts to peel costs can quickly grow as sanding out walls is not cheap.

Traditionally and currently shingles are cut from a block of wood. If it s just a few shingles and the curling is minor there s no need to take action. Uncoated weathered western red cedar siding or trim can often be restored to its original color by applying commercial products called cleaners brighteners or restorers. Cedar shingles bowing and cupping it s unlikely but they may have some recourse with the painter.

Not to mention in your case they used staples and during expansion and contraction of wood they have no holding power. Don t over nail the siding that can cause both cupping and where the nails penetrate the skin of the hardboard siding surface future water damage is likely to occur. Some cupping or curling expected with cedar but the reason for excessive cupping or curling like you show happens due to improperly nailing i e too high or to far from the edge. If the boards were cut.

Cedar wood siding should be painted or stained every 6 years or sooner depending on the level of uv exposure in order to reduce the costs of repainting. To be a professional painter and not know that you shouldn t paint shingles unprimed shingles at that is pretty bad. What should you do if your wood shake roof experiences curling. Cedar shake siding and cedar shingle siding is the look most buyers crave when they consider real wood siding.

Cedar shake siding curling is common and can also be caused by the same factors as your cedar roof. Head lap for beveled siding when it is installed over foam should be at least one inch or 1 1 4 by come experts.