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Roofing Supplies - What Supplies Are Needed For a Roof?
Back in 1989 when I installed my first asphalt shingle there was many changes in the roofing manufacture sector. The end result was down-sizing the weight to accommodate a more flexible shingle. The old shingles in the USA were known as Asphalt roofing shingles or a standard strip 3-tab shingles. At that time there were other shingles on the market known as Standard strip asphalt composition shingles or Architectural shingles called Timberline or heavy weight shingles known as random tab, and three tabs or standard were becoming composition shingles.
The older organic shingles were just simply called asphalt shingles made with number five crude oil with the advent of the fiberglass standard strip composition shingle was born. Owens Corning helped innovate this process. Since they are the largest fiberglass manufacture in America today.
Many of the other shingles manufactures by fiberglass mats from Owens Corning. This was told to me directly from Owens Corning as a result of a factory tour on the anatomy of the shingle required by Owens Corning Certification. Most of the old asphalt shingles have been torn off and they are in land fills now in the US.
The new fiberglass composition shingles are the norm in today's society. I know this because I am a Professional Contractor, not somebody hoping I am right in marketing, although marketing takes precedence more than any other thing for any business model.
Referrals are Always the Best just to let you know my feelings on the subject. I have personally installed many shingles in my life and I have always know the newer shingle to be considered composition because of the composite make up of the materials that have been blended by the various manufacturers today in the US.
If you find true asphalt shingles today chances are they manufactured in a third world country where the resources are limited, the standard strip shingle was the first of this innovation followed by a multitude of several shingle brands. Any and all fiberglass shingles are considered composition shingles by most roofing professionals.
These composition asphalt shingles have fire ratings, wind resistance warranties and failure warranty's based on the fiber glass mat and asphalt fiberglass thickness, granules and algae resistant ratios. The asphalt composition shingle is made to last longer than the old asphalt shingles not to put more weight than the asphalt roof structure can hold according to ICC specification on weight load limitations of roof framing and spans. The asphalt composition is lighter, more flexible and durable than the old asphalt shingle in1989 and previous years.
GAF Elk happens to be largest asphalt roofing manufacturer in the USA and has any brands in the asphalt roofing shingle world. Owens Corning and CertainTeed have a multitude of designer, architectural and standard strip roofing products. The same can hold true with Atlas and Tamco of which all manufacture asphalt composition roofing shingles in the United States today.
GAF/Elk carries the strongest warranties on their roofing materials for their Certified and Master Elite Roofing Contractors. I welcome any and all comments from CARE (Center for Advancement for Roofing Excellence) and the Asphalt Roofing Manufacturers Association of America (ARMA)as well as any National Roofing Contractors Association of America (NRCA), members of affiliates to correct my definition on the difference between asphalt roofing shingles and asphalt composition roofing shingles.
There are roofing shingles that I have seen come and go, such as the masonite shingle, which is a composite material that requires flashing between each joint to seal it off. There are also concrete tiles which I would consider composite since it does not have the slate or clay tile attributes, known as concrete tiles. There is also another material called Mira Vista of which was a fake slate the Owens Corning made that would fall under the composite material that was made of a plastic or a plasticiser type composite material.
At any rate it is up to you to decide what type of roof you would like to put on your home. Every shingle manufacturer in the USA is an asphalt composition roofing shingle. All Asphalt fiberglass composition shingles come with a 20 year to lifetime warranty and anything in between.
The Difference Between Asphalt Shingles and a Composition Roof
Corrugated Iron Roofing is durable, lightweight and easy to install. If a few extra precautions are taken with handling and fixing, the finished product will greatly be improved.
Over half of the mistakes made while constructing a corrugated iron roof can be traced back to incorrect storage or handling. The iron has to be handled and stored correctly because the surface is very easily damaged.
Leave the metal roofing at the manufacturers until you are ready to start installing it. Aim for delivery the day before roofing starts. If the roofing iron arrives before you are able to fix it, you must ensure it is kept bone dry. It is a common mistake to assume that because they are roofing sheets, they can withstand moisture. If the roofing sheets are stacked together and they get wet, they will stain. White rust forms on the coating and it is very difficult to remove. If your roof sheets do get wet, separate each individual sheet. Use bearers to allow airflow around the metal. This will prevent the corrosion.
Gently does it
As for handling, care needs to be taken in order not to damage the paintwork. Sliding sheets across one another will damage them. When separating the roofing sheets, you should lift them cleanly upwards without scratching the one underneath.
Spend more money
Installing a roof can be time consuming and costly. The last thing you need is to have to keep spending money on maintenance. If you scrimp on the cost of fasteners you will forever be replacing loose nails and fixing leaks. Choose good quality roofing screws. These will provide a more secure fixing and last as long as the roofing iron. It's important not to over tighten the screws. Just tight enough to lightly compress the neoprene washer is sufficient.
If you pre-drill the holes for your roofing screws on the ground, it will be safer and give the roofing a neater appearance. This is only possible if the purlins run parallel to the eaves and the roof is reasonably square.
Using a quality drill bit makes the job easier. The drill bit should be slightly larger than the diameter of the roofing screws. This will prevent stress fractures as the sheets expand and contract.
Take accurate measurements of the purlin centres from the eaves and mark the roofing sheets ready for drilling the screw holes. Don't forget to add the drop into the gutter to your measurements, usually about 50mm. It's better to use chalk for marking corrugated roofing iron because pencil may damage the surface.
Cut to the quick
Cutting corrugated iron roofing sheets with a disc cutter makes the job easier and faster. Unfortunately, it also damages the roofing iron beyond repair. Hot particles of steel imbed themselves into the surrounding metal allowing it to corrode. Nibblers will do the job adequately as long as you are careful with the swarf. It's preferable to cut the sheet with hand shears or best of all power shears. A better finish can be achieved if you make two cuts. The first cut 50mm away from your finished edge allowing you to neatly trim to the line with your second cut.
If you find scratches on your roofing during installation resist the urge to paint it. The paint may well look like a good match from the tin, but after a couple of seasons weathering the patched paintwork will stick out like a sore thumb. Contact the manufacturer and ask for advice on making repairs to their product.
Laying the roofing
Before you start laying the roofing sheets check that the roof is square. If the roof is not square you can still achieve a good finish if you even out the difference, between the two barges. The difference will then be less noticeable as it will be covered by the barge flashing. Run a string line along the eaves, 50mm into the gutter and it will provide you with a straight edge for the roofing sheets.
On completion it's important to clear the roof of any loose swarf. Tiny particles of iron left on the roof will rust and ruin the surface. A soft brush will do the job or ideally a leaf blower can be used.
A well installed corrugated iron roof will give years of maintenance free service. If you take a little extra care with the preparation and fixing, you will achieve a superior finish.
Roofing is one of the most important investments you can make. Improper, aged or substandard roofing can lead to a host of other more expensive problems. If you are selling your property, a well-chosen roof can yield a solid return on your investment. Whatever your budget or design desires, whether you want architectural shingles, tile roof installation or something in between, a Roof Master consultant will work with you to make it a reality.
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