How to leak proof roof?


The roof of your house is the first line of defense against the weather. It is there to protect your home from rain, snow, wind and hail. A well-constructed roof will do this job with aplomb and your home will remain watertight and safe from the elements. However, water has a nasty habit of finding any weaknesses in a roof structure and in no time at all, a tiny little hole will become a massive problem. So with winter on its way, here is a quick guide to making sure your roof is weatherproof and capable of withstanding whatever Mother Nature throws at it.

Make a Visual Inspection

During the summer, you probably won’t give the roof a second thought because you will be way too busy soaking up the sun and enjoying the good weather. However, once summer turns into fall, it is sensible to spend a couple of hours walking around your property and paying close attention to what’s going on at the top.

Look for loose shingles and slipped tiles. Lightweight...
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I'm working on converting an external garage into an office. I've removed the original flat roof and replaced with a pitched roof. I designed and built the roof trusses myself. I then put underlayment on the timbers and tiles until the job was complete. The tiles overlap and are screwed to the woodwork.

The problem is that the pitch of the roof is such that when the rain is at an angle, water gets in at a few spots.

The question is, what's the best way to resolve this? I don't want to redo the roof, so I was thinking of using Marine plywood secured inside immediately under the tiles with felt on the plywood, creating a run off to the bottom of the roof and to the outside.

Would this work? Is there a better solution?

Another thing I was thinking of was using expanding foam instead between the tiles to seal up any gaps or places where water could get in.

[edit] Please see below a screen shot of the roof structure taken from 123D...

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How to find a leak in a roof may be the hardest part of fixing a leaky roof. Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before it starts soaking into the ceiling.

You know the roof is bad if shingles are missing or obviously damaged, or when water stains the ceiling or walls. The goal is to find the leak before the entire roof goes bad.

Identifying the true location of roof leaks in the attic.

If you have an attic, the easiest way to spot the leak is to up there on a rainy day. Water will reflect light, so bring a flashlight along. Once you locate the source of the water, mark the area. On a nice day, have a helper tap on the mark while you’re on the roof. After you pinpoint the location on the exterior of the roof, apply roofing cement or new shingles as needed.

If you don’t have an attic or just can’t find the source of the leak, you can check several places for...

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When a new metal roof starts to leak shortly after it was installed, you will be justified to feel upset and cheated because of the whole “Leaky Roof” situation, especially if you’ve just recently shelled out many thousands of dollars to a questionable crew for your new “Forever Roof”. After-all, there are countless stories involving homeowners and businesses having to deal with a leaky metal roof that was freshly installed and now requires a professional repair to remedy the situation.

If you are currently dealing with a leaky metal roof, you are not alone. Read on to learn more on what your options are and how to best fix your metal roof leaks.

When asked whether they have called the company that installed the roof in the first place, I usually get one of the two responses; The contractor will not return the calls, or the company is out of business. Go figure! – This situation plays out over and over again, with all sorts of residential and commercial metal...

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Building a PV array to face diverse site factors such as wind, moisture and hurricanes can be very challenging. Roof Tech’s experience of deploying PV arrays in Japan is now having an influence in the U.S.

Each PV module is secured with multiple fasteners to spread the mechanical load evenly over the roof surface, as well as to alleviate torsion applied to a roofing system from thermal stresses. The thermal contraction and expansion of an aluminum array with a high coefficient of thermal expansion has the most movement on top of a roof. Roof Tech’s design, with the rail as the module frame, has mitigated effects to the degree that the distance between adjacent rows can be as low as 3mm (1/8”). Notice that mid and end clamps are 4” wide. This is for the purpose of distributing the clamping pressure on a larger surface of the PV panel frame.

The next step is the sealing of each attachment point with RT Butyl tape. Butyl was first developed in the early 1930’s...

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My firm gets more calls about leaks around chimneys than about any other problem. And more often than not, the culprit is the flashing — the sheet metal that keeps the intersection between the chimney and roof watertight. When water gets behind faulty flashing, it can do a lot of damage to the roof sheathing and framing and to the ceiling below, so you need to deal with this problem immediately.

Proper flashing around a chimney includes two layers. The first is called step flashing: Sections of L-shaped sheet metal are woven into the shingle courses and lapped up the side of the chimney. Next comes the counterflashing: A second layer of metal is embedded in the chimney mortar joints and folded down to cover the top of the step flashing.

The corners are especially vulnerable. We cut and bend the metal around the corner. Even in a quality installation, this leaves one small spot that should be sealed with a high-quality urethane caulk. This caulk can...

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Finding the Leak

It isn't too hard to fix a leak from a nail in your roof.

If you determine that your roof is leaking at a nail, it is easy to fix. In this case, finding the leak is the hardest part of the job.

There are a few ways to find the source of the roof leak. If you can go into your attic when it's raining, look to see where the water is originating. Make a mark next to this spot. After the rain stops, you will come back and insert a nail, ice pick or wire hanger to identify the leaking spot.

If you want to look while it's not raining, it's best to have some help. Go inside the attic while another person uses a hose on the roof. You should then be able to see where water is coming inside the roof. You may also see some sunlight which would indicate a hole. Use a long nail, wire hanger or ice pick to stick up through the roof where the hole is. Make sure your friend sees the marker - this will save a lot of time searching once you're on the roof.

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The hardest part of fixing a roof leak? A lot of times, it’s simply locating the problem. Sure, it’s easy enough to spot water stains or mold growth—sure signs of a leak. But once water has penetrated the roof, it’s easily diverted by such things as insulation. So even though you may notice the evidence of a leak in the corner bedroom, the vulnerable point in your roof may be quite far removed from that part of your house. That’s why roof repair jobs typically begin with a certain amount of detective work. Here are some tips to help you crack the case quickly, so you can plug the leak before the damage gets any worse.

Get a Good Look
Arm yourself with a flashlight and head up to the attic. Be careful up there: If there’s no proper flooring, step carefully from joist to joist. (If you step between the joists, you might put a foot through the ceiling of the room below!) Once you’ve got your bearings, use the flashlight to examine the...

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Not every leaky roof requires a new roof and the huge investment that this requires. But you want to make sure that if your roof is leaking you don't ignore it.

Not all leaky roofs require a new roof and the huge investment that this requires. But you want to make sure that if your roof is leaking you don't ignore it. Sure it only leaks when it rains and maybe then only when it rains really hard but if it is leaking at all you will need to address it as quickly as possible to avoid water damage. Leaks can be deceptive, they aren't always where the damage is showing up, sometimes the inside damage can be eight to ten feet away from the outside source of the leak.

Since the source of a leak can be hard to spot you will either have to go up to the source itself and look or have a roofer inspect your roof with trained eyes. Since some roofing materials are very fragile to walk on such as concrete or clay tiles, you may want to have someone experienced do the...

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[Summary]How to Find a Leak in a Roof - dummies How to find a leak in a roof may be the hardest part of fixing a leaky roof. Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before


How to Find a Leak in a Roof - dummies

How to find a leak in a roof may be the hardest part of fixing a leaky roof. Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before it starts soaking into the ceiling. You know the roof is bad …

Tips for Locating Hard to Find Roof Leaks | Today's Homeowner

There could be a problem with flashing, or maybe a shingle was torn off during a storm. Either way, you still have to find and repair the problem. If you can’t find it from the outside, let me show you some of the things you can look for on the inside.

In most...

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Roofers in Massachusetts have their work cut out for them. Every season presents it’s own weather conditions that make it difficult to keep a leak proof roof. Here are 4 of the essential things that all responsible roofing contractor in massachusetts will provide without question.

#1: Don’t skimp on High Quality Ice and Water Shield:

Ice Dams are a big problem in New England. Most roofers will install some amount of low- grade ice and water shield. But the questions are: How much ice and water shield are they using? And what quality is it? We recommend using a minimum of 6 ft. Certainteed WinterGuard from the eaves, and 3 feet from the gable ends. A full 3 ft. roll should be used in all valleys. We do this on all our roofing replacements in Massachusetts, Rhode Island and New Hampshire.

#2: Use a quality shingle with a substantial weight per square (100 square ft.):

That durability and longevity of a roofing shingle is primarily determined by the...

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With the global temperature rising and changing yearly, we’ve been seeing a rise in severe storms alongside hotter climates and unpredictable rainfall. The scale and frequency of these big storms is unprecedented, as is the damage they’ve been leaving behind. While Canada may not have the threats of hurricanes and tsunamis the way tropical and southern regions do, we aren’t immune to strong winds, heavy rain and

other weather hazards.

Homeowners may want to ensure they are prepared when it comes to Mother Nature, and fortunately, there are lots of manageable and cost-effective ways you can protect your home and roof, using a little bit of foresight. Here’s how you can storm-proof your roof in the event that there is a severe storm.

Trim Down Your Trees:

While not just something to be done in preparation for a storm, trimming your trees is a good practice to upkeep on the regular. Trees have always been one of the biggest threats to homeowners, as their...

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Everybody’s roof degrades over time. This can lead to everything from a minor leak to serious water damage. In order to repair a roof leak, most homeowners need to pay a roofing contractor thousands of dollars. But what if there was an easier and more affordable solution?

By using a spray-on rubber sealer on your roof, you can easily prevent leaks and water damage from ever affecting your home. Priced at only $19.99, a good roof sealer like Flex Seal is an easy way to save thousands of dollars on home repair costs.

With that in mind, here’s how to fix a roof leak using a rubber spray sealer. Remember that all of these steps can be done by somebody with absolutely no experience in home repair – it’s that easy.

Supplies needed:

Ladder A can of good rubber spray sealer (we recommend Flex Seal). Depending on the size of your roof, you may need multiple cans.


First, you need to get up on your roof. Since...

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One of the most essential and vital parts of your house is its roof. It protects your house from the various natural elements, such as wind, rain, etc. Thus, in case your roof gets damaged and suffers from leak, it can considerably damage the structure of your house as well. Though the initial signs of leakage are visible as damp patches on the ceiling, sometimes you won’t be able to detect a leak in the roof, unless water flows down through it and becomes manifest in the entire home. The spot from where water is dripping should be repaired immediately and taken care of, so that you do not face the aforementioned serious consequence. We are here to help you with some tips on how to find a leak in a roof and prevent leaking as well.

Tips to Find a Leak in a Roof

For finding leakage, check your attic thoroughly, both during dry weather and in case of a heavy rainfall. This will let you know if there is change in the surface. Another thing to do is to check...
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You may not be able to open a gigantic umbrella over your house, but you can still find effective waterproofing solutions for your home.

Keeping water out of your home is quite a tricky business – plumbing problems often cause excessive moisture, tiny rain drops easily find their way in through small cracks in the foundation, the roof, or the walls of your house, etc. And although a few drops don’t seem to cause any harm, the excess water will quickly penetrate the porous materials in your home, resulting in severe structural damage, mold growth, and other humidity problems. Therefore, to prevent water damage to your property, you need to waterproof your home – take proper care of any house leaks and plumbing issues you have, seal gaps around doors and windows, add proper insulation, etc. The best part is that you’ll not only prevent water from damaging your property, but will also cut down on your energy bills in the winter.

All you need to do is effectively leak...

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