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Crown Molding Corner Blocks Our foam crown molding corner blocks are easy to install with no nails required These are made from a urethane based material and much more hard, dense and heavy than our crown molding which is made from polystyrene Although nails and screws are not required, they maybe be necessary in some situations If needed, nail or screw behind where the molding will be place to ensure you do not see them Crown molding corner blocks can add a decorative look to your room. Made extra long for vaulted or sloped ceilings. Great if you do not want to miter crown molding ends for corners. Our DIY crown molding corner blocks are a smooth, light tan color, with no seams and made in the USA. Install with simple painters caulk or construction adhesive for the larger sizes. California residents see Prop 65 Warning: Cancer and Reproductive Harm – www.p65warnings.ca.gov **Glue 2 Inside Corner Blocks together to make a center wall block and 3 together to make a outside corner block. (See thumbnail images above for examples)**
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🇺🇸 Ship from USA · On Agora since 2026
$3.95