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Understanding Why Pipes Freeze and Burst

Pipes can freeze and burst when water turns to ice and expands within them. When water expands by about 9% upon freezing up, it creates tremendous pressure inside pipes. If this pressure exceeds the strength limits of the pipe material, cracks and ruptures occur.

While metal and plastic pipes offer some flexibility, even these pipes can rupture at joints or elbows under prolonged frigid temperatures. Copper, galvanised steel, and PEX piping are all vulnerable. PVC and CPVC plastic pipes become brittle and prone to cracking in freezing temperatures.

The most at-risk areas for water pipes are those exposed to cold air, like those running along exterior walls or in the crawl space, unheated basements, and attics. In addition to interior plumbing, garden hoses and exterior faucets are also susceptible to freezing.

Identifying Areas at Risk for Frozen Pipes

The parts of your home with pipes located in areas vulnerable to frozen pipes are those exposed to cold air. Check basements, crawl spaces, attics, unheated rooms, and areas along outside walls. These pipes typically lack adequate insulation.

Also examine your pipes as they can run through cabinets on external walls or ceilings with attic spaces above and inspect your garage to ensure garage doors are properly sealed from freezing temperatures. Make sure doors and windows seal tightly.

Insulating outdoor hose bibs, irrigation systems, pools/spas, and exposed water supply lines is essential to prevent water pipes from freezing. Knowing the layout of your plumbing system allows you to can monitor vulnerable areas and ensuring adequate heat reaches them.

Preventing Pipes from Freezing

To prevent pipes from freezing, one must maintain sufficient home heat and seal off drafts. For continued protection, particularly if your home older, have your plumber insulate the plumbing pipes that are most prone to freezing. Pipe sleeves, heating cables, and fibreglass insulation are effective for bolstering your home against freezing temperatures.

During cold snaps that increase the risk of water freezing in the pipes, allow faucets to drip overnight to gently relieve pressure from water expansion. Leaving cabinet doors open permits rising warm air to circulate, which can prevent ice buildup that could potentially cause burst pipes.

Also, it’s good practice to drain and disconnect outside spigots and hoses before winter to protect your equipment, storing them in an insulated box. Installing frost-free hose bibbs, which have an interior shutoff valve, can offer additional protection.

Assuring proper home heating, sealing air leaks, and adding extra insulation to keep pipes from freezing helps prevent them from turning into an emergency. Contact our team if you need help identifying and protecting at-risk plumbing, or to learn more about preventing pipe issues.

Keeping a Consistent Temperature

Keeping your home at a steady thermostat temperature prevents pipe freezing in winter. Set your thermostat to at least 15°C throughout the house, even while away. Programmable or smart thermostats offer customizable schedules and settings.

A consistent temperature delivers heat to vulnerable areas, helping to prevent your pipes from freezing. Your heating system, including your boiler and assisted by smart thermostats like Google Nest, can detect freezing conditions and automatically increase heat to protect pipes.

Aim to keep rooms with pipes consistently above 10°C to prevent freezing. Allow warm air to reach pipes in exterior walls or attics by leaving doors/cabinets open. A steady temperature reduces the likelihood of pipe freezing, simplifying your pipe protection measures.

Sealing Drafts

Eliminating drafts is essential to prevent outdoor air from freezing water in your pipes. Cold drafts can quickly freeze exposed plumbing, even if the rest of your home feels warm.

Check along baseboards, window and door frames, attic hatches, and wall sockets/switches on your walls. Look for gaps letting in cold air and seal them with caulking, weatherstripping, or insulation foam. Ensure attic hatches and basement rim joints are properly sealed and insulated.

Sealing draughty areas helps trap warmth next to pipes in exterior walls or attics.

Work with an insulation contractor to find and seal less visible gaps where cold air might impact areas where a frozen pipe can lead to freezing.

Insulating Vulnerable Pipes

Insulation is critical for pipes at risk of freezing and burst incidents. Focus insulation efforts on pipes where cold draughts cause pipes to be vulnerable, especially those along exterior walls and in unheated spaces.

For DIY application, use pre-split foam tubing insulation.

Seal the seam with insulation tape and Ensure snug fitment around pipe sections and joints.

Professional insulation such as wrapping frozen pipes can with electric heat tape takes precautions against freezing. The self-regulating cables maintain pipes at a safe temperature down to -20°C. Professional services may also inject spray foam insulation through holes drilled into wall cavities containing pipes.

An automatic thermostat regulates temperature and enhances home safety during cold spells.

Proactively insulating pipes diminishes the risk of freeze-induced damage and alleviates pressure in the plumbing system during cold weather.

It also improves energy efficiency. Our licenced technicians can help assess your home’s piping and insulation needs for the cold winter season. Protect pipes now and prevent bursts down the road.

Letting Faucets Drip

Letting your indoor and outdoor faucets slowly drip during very cold conditions is an effective way to prevent pipes from freezing. A steady trickle of water can help prevent ice formation and a potential frozen pipe burst.

Pick the faucet furthest from the main water entry point, letting it drip twice per second, Consistent water movement is crucial as stagnation can lead to pressure build-up, causing pipes to burst. Maintaining a regulated water flow helps manage pressure and reduces pipe bursting risk by preventing solid freezing. It also relieves pressure from any expanding ice inside the pipes.

Outdoor faucets, which can freeze rapidly, require prompt action to maintain water temperatures within a safer range. To mitigate freezing, you can take steps like turning water off at any exterior hose taps, drain remaining water, and keep the faucet slightly open to allow a drip. This stops overnight freeze-ups.

Letting your faucets drip requires little effort and avoids the consequences of burst frozen pipes by preventing trapped water from freezing. It also alerts you to keep monitoring your plumbing in brutally cold weather when burst risks are high.

Dealing with Frozen Pipes

If you discover pipes frozen, act quickly in your attempt thaw them and prevent bursting. Start by locating the frozen section pipe and turning off your main water supply. Heat slowly from an indirect source and keep checking with your hand. Sudden temperature changes can exacerbate pipe cracks.

Use a hairdryer, heating pad, or space heater to gently apply heat and efficaciously thaw pipe sections.

You should never use open flame devices, such as blowtorches or propane heaters, to thaw pipes in frigid conditions because of the severe fire risk. If previously frozen pipes start leaking after they thaw, indicating a crack, immediately shut off water and call a plumber.

In the case of a burst water pipe, ensure you turn off the main valve and any individual valves located near the rupture.

Note and document all damage and ensure you shut off your main water supply quickly, then contact your insurance company. Promptly contact your home insurance provider and a plumber for assistance. Bursts cause significant flooding if ignored but acting quickly reduces harm.

Addressing frozen or burst pipes calmly and effectively mitigates additional damage to your property. Call plumber services like ours to assess your plumbing layout and advise on protection solutions. Reach out at any sign of issues.

Locating the Frozen Section

When trying to locate a part of the pipe frozen, a key indicator is a disruption or no water flow from affected taps. Start by turning on various fixtures and mapping where flow loss occurs.

Concentrate inspection efforts along exterior walls, in unheated areas like attics and basements, and near draughty locations. Visually follow the pipe path to pinpoint problem spots. Key signs also include icy-cold sections of pipe and the possible presence of surface frost when pipes are exposed.

Narrow down the frozen area, then protect surrounding pipes from collateral thaw damage. Focus thawing only on the affected section using gentle, indirect heating methods like a hairdryer or heating pads. Locating the precise frozen point is crucial before attempting to thaw.

Thawing Techniques

There are several safe DIY methods for thawing frozen pipes:

Hair Dryer

Keep the dryer 6-12 inches away and continuously move it back and forth over the affected area.

Check regularly with your hand.

Heating Pad

Wrap an electric heating pad around the frozen section and secure it to softly thaw your pipe, keeping in mind tips keep the process safe and effective. Keep the temperature on low to gently conduct heat into the pipe’s surface. Monitor conditions to prevent burns or cracks.

Portable Space Heater

Place a space heater 3-4 feet from the frozen pipe to warm up the area and thaw frozen pipes. Using a heat lamp or heater to gradually thaw the ice with warm currents of air is advisable, but never leave it unattended or in direct contact with the pipes. The radiating heat gradually melts the ice inside the pipe.

Specialised pipe heating cords are available for exposed pipes. These automatically maintain a safe 40-60° Fahrenheit temperature. Never improvise with blow torches, high-powered heat guns or open flames - extreme heat damages pipes.

Careful, indirect thawing removes ice plugs without weakening pipe integrity. If leaks occur after thawing, immediately shut off water and call a plumber to inspect for cracks needing repair; this is exactly what do in a plumbing emergency.

Preventing Pipe Bursts

There are key steps to take in your attempt to thaw pipes and prevent bursts when temperatures begin to rise after a freeze:

Shut Off Main Water Supply

If a pipe has already burst, shut off the main water supply to your home immediately to prevent it from continuing to damage your property. This action swiftly addresses issues and minimises water damage from any ruptures during winter’s coldest periods. Know where your main water shutoff valve is located before freezing weather hits.

Inspect Pipes

Closely check pipes for cracks and leaks as you thaw your frozen sections. Signs include water spots on walls or drips from joints. If leaks occur, shut water off immediately and call a plumber to prevent major bursts.

Relieve Pressure

As pipes thaw, trapped ice may continue blocking water flow from your taps. Turn on taps slowly to relieve built-up pressure and let the hot water dissolve any remaining ice plugs. This prevents excessive strain on pipes as water starts flowing again.

Be Patient

Pipes that were previously frozen need time to thaw completely. Instead of forcefully turning taps open, gently manipulate valves to restore water flow gradually. Sudden surges risk overpressurizing pipes weakened by freezing temperatures.

Following expert-advised preventative thawing measures can significantly reduce the risk of pipe ruptures or bursts. We offer detailed advice on how prevent pipes from bursting, tailored to your home’s pipe configuration. Contact us anytime for winterization consultations.

Repairing Burst Pipes

If you have a burst pipe, the first step is to turn off the water supply to minimise flooding damage. This may involve shutting off the main water valve or isolating the burst section. Once the water is off, assess the damage and contact both your home insurer and a licenced plumber.

As a temporary measure, dry the area and wrap the damaged section of pipe in waterproof tape. Hang a leakage collection bucket underneath to catch drips. A more secure solution is clamps or compression fittings around cracked pipe joints.

However for permanent repairs, rely on a professional plumber. They can determine if a pipe needs replacing or can be patched, check for hidden leaks, and restore proper water supply. Seek financial assistance from insurance using documented repair quotes.

Burst pipes lead to waterlogging, mould risks, and property damage if left unaddressed. But responding quickly and enlisting the services of a licensed plumber for essential repairs limits further harm. We offer 24/7 emergency plumbing services to get your water flowing again.

Calling a Professional Plumber

If you discover frozen, burst pipes that won’t thaw or experience a burst that causes leaking, call a professional plumber right away. Licenced technicians have the skills and equipment to properly inspect your plumbing, pinpoint issues, and implement repairs. Whether it’s a cracked joint that needs clamping or an isolated pipe that requires replacement, rely on expert assistance.

Don’t risk DIY repairs without experience.

Contacting Your Insurance Provider

If you experience pipes burst and subsequent water damage, contact your home insurance provider as soon as possible. Have your policy number handy and be prepared to explain the situation in detail. Document the damage with photos and notes for your claim.

Inform your insurance agent of the specific location and severity of the pipe burst, the areas impacted by water flooding, and your temporary repairs like shutting off main water lines. Provide copies of any repair quotes or invoices from licenced plumbers you contacted. Ask what compensation coverage you qualify for based on your policy.

Coverage may include reimbursement for plumbing repairs, drying out waterlogged areas to prevent mould, damage to personal property, and temporary housing if major renovations are required. Your insurance adjuster can submit an in-person damage assessment and settlement offer. They can also advise on next steps regarding permanent repairs.

Promptly calling your insurance provider, as per the terms conditions of your policy, reduces further property damage and facilitates claim processing for burst pipe incidents. We help liaise between adjusters and plumbers to expedite water damage remediation.

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