How To Remove Composition Shingles For Leak Repair
Past Clint C. Thomas, Esq. Photos by Zoe Thomas
The roof is one critical component of a firm. Every firm has one, merely very few homeowners know what to practise when it begins to wear-out, other than telephone call a roofing contractor. Minor leaks tin frequently exist repaired with silicone or roofing cement, commonly called "tar," or as it is known in the manufacture, "bull." Only what about an area of a roof that has multiple leaks that result from hail impairment or a roof that has but exceeded its life expectancy?
One solution to this dilemma is to re-roof just the problem expanse. Roofs are often divided into different sections as a result of a home's construction. Adjoining roofs create valleys, every bit do the intersection of gables with the main roof. Ridges are formed at the apex where two roof planes meet. Each side of a ridge or valley is actually independent of the roof on the other side of that same landmark. Furthermore, some rooms in a house may have different heights than other portions of the house, especially if there has been an add-on that has been made to the original structure. These different roof areas help to simplify re-roofing jobs by enabling repair of only the trouble area rather than the abode's entire roof organisation. At that place are 2 ways to re-roof a house. I is the remove all of the existing asphalt shingles, install new roofing felt, which is usually referred to as "tar paper," and and then reapply new flashing and shingles. If you have e'er done any roofing work at all you know that it is not technically difficult simply it is very labor intensive. Stripping sometime shingles off a roof is difficult, hot and nasty piece of work and should not be approached lightly.
The second alternative when re-covering a portion of a house is to leave the existing shingles and flashing in place and install new shingles over the old. This method avoids the labor involved in a tear-off, the old layer of shingles helps to add an boosted layer of protection from the elements, and the old shingles also provide a ready-made grid that tin be followed when installing the new shingles. Without the former shingles to follow, it is necessary to lay out horizontal and vertical command lines to follow when installing the new shingles. Without these lines or another guide, such every bit the old shingles, the new shingles will not exist straight and will expect like a twisting snake.
Roofing over an existing roof can be done up to two times without whatsoever problem. This means that the original roof can be roofed over once and so once more for a total of 3 layers of shingles. It is a bad idea to put more than iii layers of shingles on any roof because of the shear weight of the shingles. If too much weight is practical to a normal roof it is likely to collapse under the strain.
Prep Steps
Earlier launching into nailing down new shingles it is necessary to estimate the number of new shingles that will be needed. There are two mutual means to estimate the shingles needed for a roof.
The easiest method is to brainstorm past finding the roof's area. The formula for determining area is length multiplied by width. In my case, the roof measured approximately 10 by 21 ft. for a total of 210 square feet.
The adjacent step is to carve up the full number of foursquare feet—in my case 210 sq. ft.—past 32 (some people utilise 29), which is the estimate number of shingles in a package. The resulting number indicates how many bundles are needed. In my case, when 210 is divided by 32 the answer is six.5625. E'er round up when estimating shingles. If the caliber to the above formula ends upward as a decimal, such as my half dozen.5625, round-upward to the next whole number which was 7 in my case.
Another method is to determine how many "squares" are in a roof. Roof measurements are oft figured by the "foursquare." A "foursquare" is 100 sq. ft., east.k., 10 by 10 ft., or any other measurement that arrives at a full of 100. To utilise this method y'all must first determine the total number of square feet of the roof to exist repaired. Again, on my project there were 210 square feet. This total square footage is so divided by 100, e.g., 210 / 100 = two.1. The quotient of this last computation is 2.1 and this is then multiplied past 3 because information technology takes three bundles of shingles to comprehend one "foursquare." When 2.ane is multiplied by 3 the product is half dozen.3. This means that vi.3 bundles of shingles volition be needed. Again, round the product up to 7 bundles to be safe.
The simply supplies that should exist necessary are shingles and flat-head roofing nails. Normally 1-in. nails are used when installing shingles, just I chose to utilise nails that measured i-1/4 inches because they had to go through 2 layers of shingles, the new layer and the original layer, before penetrating the plywood decking that is nether all of the shingles.
As an analogy of the money that can be saved, I spent less than $150 to re-roof my 210 square feet. The shingles were $22.99 per bundle and a 100 count box of nails cost nearly $10. The total $150 is a fraction of what a roofing contractor would accept charged me.
How to Repair
Earlier starting the installation, sweep off the onetime roof with a broom. If there are any missing or broken shingles, make sure to make full in the holes and gaps with pieces of new shingle. It is of import that the shingles on the quondam roof are all on the same horizontal level. You should try to avoid having whatsoever dips in the erstwhile shingles because this volition create visible depression spots in the new roof.
With all of the measurements made and the prep work consummate, information technology is time to begin installing the new shingles. Begin at the bottom of the roof and install what is called the "starter row." The first row of new shingles will exist installed over the first and 2d rows of existing shingles, and—this is very important—this new row of shingles will be installed upside-down. Shingles are divided into 2 sections. The upper section is solid while the lower section is divided into three "tabs" by open up spaces between each tab. Shingles are usually installed with the tabs facing down and the solid portion on top. A starter row is the exact opposite. The solid row is on the bottom to proceed water out. If the tab side were on the bottom of the first row then h2o would merely run between the tabs and your roof would leak.
Information technology may be necessary to cutting some of the tiptop off of the "starter row" to go along these shingles from overhanging the edge of the roof besides much. Y'all can cut shingles with a standard utility knife, making the cut from the underside of the shingle. The top edge has $.25 of asphalt embedded to help protect it from the elements (which makes it hard to cut). The underside is shine and can be cut with ease.
The 2nd row of new shingles is laid with the tabs down over the upper department of the new starter row, so that the 2nd row overlaps half of the starting time row. This overlap is what keeps water out of the house. The upper edge of the 2d row of new shingles is laid adjacent to the bottom edge of the third row of quondam shingles. The next upper-most row, the third row in this case, will be used every bit both a horizontal and a vertical guide for laying the new shingles. The old shingles take the identify of the horizontal and vertical lines that I mentioned earlier.
The vertical lines refer to the alignment of the gaps between the tabs on the shingles. If all of the shingles are aligned so that the gaps are direct over the gaps in the lower row then h2o volition run between all of the shingles and the roof volition leak. It is absolutely necessary to make sure that every tab of each new row is centered directly above a gap in the pre-ceding lower row of shingles. By staggering gaps and tabs on each successive row, h2o will not have an opportunity to find its mode between the shingles.
Shingles are nailed along the "tar line" in the middle of each shingle. This is the portion of the shingle that is directly above the tabs and gaps. Four nails are used that are evenly spaced forth this line with one nail placed one inch inward from each outside edge with two more nails in the middle. The nailing of the new shingles is the most fourth dimension-consuming part of a re-roofing job, so whatever help that can exist elicited from your friends will relieve a lot of time.
Square roofs are piece of cake to install considering the merely cutting required is along the outside edges when shingles have to be staggered. Invariably, almost roofs are not exactly square, or at least take that ane odd corner that complicates the do-information technology-yourselfer's job. When an bending is encountered the shingles will have to exist cut to accommodate to that geometric pattern.
Unremarkably, the only flashing that will have to be replaced on this type of project is in the valleys. Unless at that place is obvious damage, baste edges and wall flashing tin typically be reused without whatever problem. In order to get the new shingles under existing wall flashing it is helpful to have someone else utilize a crowbar or framing hammer to gently lift upward the lesser edge of the flashing while you slide the new shingle below it.
In improver to beingness very labor intensive, covering work is ordinarily washed where there is very little shade. I highly recommend planning any re-covering project effectually the seasons and the elements. Fall and spring volition provide the most moderate temperatures for this project. Begin early, as in first light, to take reward of the sun beingness depression in the sky. Black attracts rut, and since nigh roofs are dark it is not a skilful idea to be on a hot roof at 2:00 o'clock in the afternoon in the middle of summer. In fact, about professional person roofers will begin work at daybreak and stop working for the solar day shortly subsequently lunchtime.
The adjacent fourth dimension that a portion of your roof needs some attention, consider re-roofing over the existing layer of shingles. It volition save you a lot of money and it does non crave expensive or specialized tools—but a hammer, a box of nails and a utility knife.
Side Annotation 1
Quick Roof Ultrabond
Cofair Products' new Quick Roof Ultrabond with Steel-Loc adhesive sticks to almost everything. Information technology instantly stops leaks and permanently repairs roofs, gutters, skylights, windows and flashings, and will even stick to brick and concrete. It tin can exist applied to most non-porous surfaces when wet, and in some cases even while submerged nether h2o. The adhesive's remarkable bonding properties are the result of its proprietary blending of unique synthetic co-polymers and butyl rubber. Available in both black and white finishes, it tin exist installed to temperatures every bit low as 25°F without the need for primer, and information technology keeps on sticking from -70°F to 200°F. Fabricated in the USA, Quick Roof Ultrabond has a xv-year limited warranty and is guaranteed to never crack, harden or shrink. Past just removing the "like shooting fish in a barrel release" backing newspaper and pressing in place, both the DIY'ers and pro contractors can easily stop leaks in almost any structure. Visit www.cofair.com.
Side Annotation 2
Bellaforté Shake from Davinci Roofscapes
Every bit a long-lasting alternative material for new roofing, Bellaforté Shake polymer roofing tiles have a multi-width appearance that replicates hand-split real cedar shakes with slanted sawn edges and staggered lengths. The tiles feature snap-fit tabs and a self-alignment ledge for easy installation. The roofing tiles come in 49 colors and a pick of five color blends, including Abruzzo, Espresso, Tuscano, Verona and Harbor Gray. Available nationwide, a foursquare of 12-in. Bellaforté Shake (with 100 pieces per square) weighs only 190 pounds. This lower tile weight helps reduce installation fourth dimension and transportation costs. Just equally with other DaVinci products, the Bellaforté Shake tiles are 100 percentage recyclable and come with a 50-twelvemonth limited warranty. Acquire more at world wide web.davinciroofscapes.com.
Side Notation 3
Recycled Rubber Covering
For both new structure or repair work, Specification Chemicals' time-tested systems take away the worry of leaky roofs. Recycled Rubber Covering (RRR) contains crumb rubber from recycled tires. It cleans up with h2o, expands and contracts with the roof surfaces and does not soften or become brittle with the estrus of the dominicus. When used as an underlayment RRR quickly builds up the thickness of the roof coating, saving fourth dimension and coin. A end coating with White Plastic then seals the roof with a white reflective finish. Visit www.spec-chem.com.
Other Roofing Related Articles
- Simple Repairs for Asphalt Roofs
- Replacing your Quondam Roof
- Installing a Constructed Slate Roof
Source: https://extremehowto.com/diy-repair-of-an-asphalt-shingle-roof/
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