Smooth Receptacle Single Gang Blocks

FCM Blocks Verified independent store

→

Smooth Receptacle Blocks Single Gang provide the essential backing required for safe, code-compliant electrical outlet installation on fiber cement siding. These blocks protect you r weather-resistant barrier by enabling proper flashing and caulking around electrical boxes, preventing water intrusion and structural compromise. Designed to meet manufacturer specifications from James Hardie and Nichiha, they anchor electrical boxes securely to non-structural siding while maintaining building envelope integrity. Achieve a clean, professional finish while ensuring your installation meets all weatherproofing and electrical codes. Show more