Why Your Outdoor Faucets Need Protection This Winter

Stetson Howard • December 4, 2025

A Simple Step That Prevents Frozen Pipes and Costly Water Damage

What every Knoxville homeowner needs to know about protecting their plumbing when temperatures drop

I was out in Knoxville recently talking to a customer about their crawl space.


They'd done everything right - got their space encapsulated, insulated their pipes, and felt good about their winter prep.


Then they asked about protecting their outdoor faucets.


Here's what most people don't realize: even with a properly encapsulated crawl space that stays warmer than the outside air, your outdoor faucets are still completely exposed to freezing temperatures.


And that's where the trouble starts.


A lot of homeowners think the warmth from their crawl space will protect everything. It won't.


When temperatures drop below freezing at night, those outdoor faucets become the weak point in your entire plumbing system.

  • crawl space

How Freezing Starts Outside and Damages Inside

When your outdoor faucet freezes, the ice doesn't just stay put. It expands and travels backward into your pipes, pushing deeper into your crawl space. Water expands when it freezes, and that pressure has to go somewhere.



Think of it like a domino effect. The freeze starts at the exposed faucet outside your home. As the water inside turns to ice, it expands and moves along the pipe. Before you know it, you've got frozen pipes inside your crawl space - even though the space itself is warmer than the outdoor temperature.


By the time you discover the problem, you're often dealing with burst pipes and water damage. The repair costs can run into thousands of dollars, all because that outdoor connection wasn't protected.

White crawl space with vapor barrier on floor and walls; ductwork and wires visible.
Crawlspace coated in a light gray substance, with white walls and exposed wooden beams above.
Crawl space with white vapor barrier on the ground, insulation overhead, and black flexible ducting.
A long, white-walled basement under construction, with overhead lighting and plastic sheeting on the floor.

Why We Don't Just Crank Down the Jacks

Here's something most people don't know: you can't just install jacks and tighten them down as much as possible. That seems logical, but it can actually cause more problems than it solves.


The wood in this crawl space is saturated with moisture. That means it's currently expanded beyond its normal size. If we over-tighten the jacks now, what happens when we eventually encapsulate and dry everything out? The wood will contract, and those jacks will be pushing too hard, potentially causing damage.



So we're being strategic. We'll install adjustable jacks with proper base plates, give them enough tension to support the floor, but not so much that we create problems down the road. When we come back to encapsulate and the wood dries out, we can adjust them to match the contraction. It's about thinking ahead.

Insulation vs. Protection: Understanding the Difference

A lot of homeowners get confused about pipe insulation and hose bib covers. They think they're doing the same job, but they're actually handling two completely different problems.



Pipe insulation inside your crawl space helps keep your water warm as it travels to your fixtures. It makes your plumbing system more efficient and saves you money on energy bills. That's about efficiency and comfort.


Hose bib covers are all about prevention. They protect the point where your plumbing meets the outside world - that vulnerable spot where freezing happens first. A simple cover creates a barrier that keeps the cold air away from your faucet and the pipes behind it.


Even if you have an encapsulated crawl space, you need both. The insulation handles efficiency inside, while the cover handles protection outside. They work as a team to keep your plumbing safe through winter.

crawl space

The Right Way to Protect Your Outdoor Faucets

Protecting your outdoor faucets doesn't require special skills or expensive equipment. A hose bib cover costs just a few dollars at any hardware store and takes minutes to install.



The key is timing. You want to get these covers on before the first freeze of the season. In Knoxville, that usually means late fall, but keep an eye on the forecast. If temperatures are dropping into the 30s at night, it's time to act.


Here's what else you should do: disconnect any garden hoses, drain the outdoor faucets, and shut off the water supply to exterior fixtures if you have that option. Then add the hose bib cover for an extra layer of protection.


During cold snaps, check your faucets periodically. If you turn one on and nothing comes out, you might already have a freeze starting.

Don't Wait Until It's Too Late

The best time to winterize your outdoor faucets is before the cold weather hits. Waiting until after the first freeze means you're taking a gamble with your plumbing.


Here's a simple checklist to follow each fall:

  • Get hose bib covers before temperatures drop
  • Disconnect and store garden hoses
  • Drain outdoor faucets completely
  • Check pipe insulation in your crawl space
  • Test your faucets after the first cold night



If you're not sure about the condition of your crawl space or your plumbing setup, that's when it makes sense to bring in a professional. A quick inspection can spot problems before they become expensive emergencies.

Keep Your Pipes Safe All Winter

Look, winter in Knoxville can be unpredictable. Some years we get through with just a few cold nights. Other years, we're dealing with extended freezes that test every home's plumbing system.



The good news is that protecting your outdoor faucets is one of the easiest and cheapest ways to prevent major problems. A few dollars and a few minutes of your time can save you thousands in repairs.


If you want to make sure your crawl space and plumbing are ready for winter, we can help. We'll check your pipe insulation, look for vulnerable spots, and make sure everything is set up to handle whatever weather comes our way.


Don't wait until you're dealing with frozen pipes and water damage. A little preparation now means peace of mind all winter long..

  • crawl space

Man in basement explains causes of sagging floors. Text overlays say
By Stetson Howard December 4, 2025
I'm in a crawl space in Knoxville right now, looking at a problem I see all the time. The homeowners here have serious bounce in their floors. When they walk across the room, their china cabinet shakes. Items on the counter rattle. It's not just annoying - it's a sign of real structural issues.
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Man standing in an attic, text overlay:
By Stetson Howard December 1, 2025
I'm under a house right now, and it's freezing. Not just chilly - actually cold enough that I can see my breath. Meanwhile, the homeowners upstairs are dealing with floors so cold they need to wear slippers just to walk around their own house.