Cedar Siding Cupping

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.

Cedar siding cupping.

If it s just a few shingles and the curling is minor there s no need to take action. 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. 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. However wood shingle curling is a good barometer of when your cedar roof needs maintenance.

What should you do if your wood shake roof experiences curling. Cedar shingles bowing and cupping it s unlikely but they may have some recourse with the painter. Head lap for beveled siding when it is installed over foam should be at least one inch or 1 1 4 by come experts. Traditionally and currently shingles are cut from a block of wood.

If the boards were cut. Although intended primarily for restoring horizontal wood surfaces such as decks these products generally work almost as well on vertical surfaces. Shakes and shingles can be used to cover the entire exterior or be installed in gables and other areas to complement wood or stone siding. Cedar siding with a timeless beauty that is as yet unmatched requires diligent and costly upkeep.

Not to mention in your case they used staples and during expansion and contraction of wood they have no holding power. 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. To be a professional painter and not know that you shouldn t paint shingles unprimed shingles at that is pretty bad.