Buy now from the Powerhouse Dock De-Icers available at Overton's. Prevent damage to your dock during winter months by installing a dock de-icer from Overton's. We offer Kasco Marine dock de-icers with varying setups to accommodate your specific dock needs. Our Taylor Made dock de-icers are oil-free de-icers and made to handle saltwater environments. You'll also find de-icer props and de-icer anodes.