How do I insulate my pipes for winter?

Pipe insulation is essential in Ottawa's harsh winters to prevent freezing and costly burst pipes. You'll want to focus on exposed pipes in unheated areas like basements, crawl spaces, garages, and exterior walls.

Start with foam pipe insulation sleeves, which are the most common and effective option for most homeowners. These pre-slit foam tubes slip over pipes and come in various diameters to match your pipe sizes. For copper pipes, choose sleeves with a wall thickness of at least ½ inch. Simply measure your pipe diameter, buy the matching sleeves from any hardware store, and slide them over the pipes. Seal the seams with duct tape or zip ties.

For pipes in extremely cold areas or those that have frozen before, consider heat tape or heat cables as additional protection. These electric heating elements wrap around pipes and plug into standard outlets. However, they must be installed according to manufacturer instructions and should only be used on metal pipes - never on plastic pipes unless specifically rated for them.

In Ottawa's climate, pay special attention to pipes near exterior walls, in unheated basements, and around rim joists where cold air infiltration is common. Don't forget about outdoor hose bibs - disconnect hoses and consider installing frost-proof spigots if you don't have them already. For pipes in walls, you might need to add insulation to the wall cavity itself.

Beyond insulation, maintain consistent heating in your home and open cabinet doors under sinks during extreme cold snaps to let warm air circulate around pipes. If you're dealing with pipes in hard-to-reach areas or need advice on heat tape installation, a licensed plumber can ensure everything is done safely and effectively.

For a comprehensive winter plumbing inspection and professional pipe insulation in hard-to-reach areas, Ottawa Pro Plumbing can help protect your home from freeze damage.

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