What is the difference between blocking and a foundation?

Blocking refers to the system of piers and caps that support a mobile home on a temporary or semi-permanent basis. A permanent foundation is a concrete structure that permanently attaches the home to the land.

How much does mobile home blocking cost?

Basic blocking for a single-wide typically costs $500–$1,500. Double-wides and homes requiring concrete footings can cost $1,500–$4,000+.

How often should blocking be inspected?

Blocking should be inspected annually and after any significant weather event. Signs of a problem include soft floors, cracks in walls, and doors that stick or won't close properly.

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Mobile Home Blocking & Pier Installation

The blocking system is the foundation of your mobile home. Properly spaced and installed piers distribute the home's weight evenly and are required for HUD compliance.

What's Included

Concrete block and adjustable pier installation
Pier spacing per manufacturer's installation manual
Load-bearing capacity assessment
Replacement of deteriorated or sunken piers

Why It Matters

Improper blocking is the leading cause of mobile home structural problems
Piers must be installed on stable, compacted soil or concrete footings
HUD standards specify pier height, spacing, and cap requirements
Insurance and financing often require a certified blocking installation

Frequently Asked Questions

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