Insulate Pipes for Winter
Why It Matters
A single burst pipe from freezing can cause $5,000-$70,000 in water damage. Pipe insulation costs under $20.
Quick Guide
- 1
Gather your tools and materials
You'll need: Utility knife. Materials required: Foam pipe insulation.
- 2
Perform the insulate pipes for winter
Wrap exposed pipes in unheated areas with pipe insulation to prevent freezing and bursting.
- 3
Verify and clean up
Check that the work was completed correctly and clean up your workspace.
Tools & Materials
Tools
- Utility knife
Materials
- Foam pipe insulation
Community Tips
Wrap insulation around pipes in a spiral pattern with a 50% overlap on each layer, securing seams with vinyl tape rather than duct tape, which degrades in freezing conditions; Armacell Armaflex ($15-25 per 6-foot section) resists moisture absorption and maintains its R-value even in damp crawl spaces and basements.
Pipes located in exterior walls or unheated attics require a minimum 1-inch thickness of foam insulation to prevent freezing, and skipping this step on supply lines can result in burst pipes causing $5,000+ in water damage within hours of the first hard freeze.
Pre-slit foam pipe insulation like Frost King ($8-12 per 6-foot section) costs approximately 40% less than custom-fitted fiberglass wrap and eliminates the need for specialized installation tools, making it the most economical choice for homeowners covering 50+ linear feet of piping. ---