- 1. When your metal roof systems need roof maintenance
- 2. Roofing materials for a new metal roof repair
- 3. The process on how to build the metal roof system
1. When your metal roof systems need roof maintenance
a. When your metal roof system reaches 50 years
Your metal panels are protected from the elements and fade by a painted finish that is applied by all major steel panel manufacturers using a patent-protected process.
The Kynar 500 finish on your standing seam metal roof is covered by a 30-year paint warranty. When the paint warranty on your standing seam metal roof expires, you should begin budgeting for a replacement.
That doesn’t mean that the paint is completely gone, despite the fact that the paint warranty has expired. As soon as you notice that the color of your standing seam metal roof has faded noticeably, you should consider replacing it.
b. Damaged outer coating layer metal roofing material
Your metal roof panel lifespan will be reduced if anything damages, dents, or scratches the outer coating layers.
Heavy hail or falling limbs could be to blame. Other tradesmen walking on your roof or painters spilling paint and using chemicals to clean the paint off the panels could also be to blame.
If your metal panels finish is damaged for any reason, you should have your standing seam metal roof replaced as soon as possible.
c. Concealed fasteners between metal roof panels
Keep in mind that the fasteners on a screw-down metal roof are visible through the tops of the sheets of metal. Because of the lack of expansion and contraction, these fasteners become wallowed out until they become too large to fit into the holes in the metal panels that hold them in place.
If the problem is addressed quickly, you may be able to install larger-sized screws and extend the life of your screw-down metal roofing. Alternatively, if you do not catch these wallowed fasteners, you will begin to notice leaks in your system. Also possible is that wind will get underneath the panels and lift them upward.
If you put off dealing with your rusted fasteners for too long, you’ll find yourself having to replace the screw-down panels sooner rather than later. Regardless of whether you’re just replacing one panel or the entire roof, I recommend that you go ahead and replace it all.
d. Metal roof leaks
Although it may seem obvious, anything that compromises the structural integrity of your metal panels will necessitate the replacement of your roof. Extreme weather conditions such as strong storms, heavy rains hail, and wind are commonly responsible for this.
In the case of a tree limb (or even a whole tree) falling on your standing seam metal roof, the metal panels could sustain significant damage. It is recommended that you have your roof replaced if these limbs cause large dents and scratches to the metal panels, rather than risk a costly leak.
2. Roofing materials for a new metal roof repair
If you are looking for a new material for roof replacements, here is some choice for you to choose for home building or commercial buildings.
a. Solar tiles roof
Rooftop solar collectors can generate up to 1kW of power per 100 square feet of roof surface when installed correctly. Traditional solar panels can’t be installed on sunny roofs in homeowner’s associations, so these are a great alternative. Even though they may help reduce energy costs by utilizing solar energy, they are more expensive than traditional solar options.
b. Asphalt shingles
This type of are the most widely used roofing material in the United States because of their versatility and reliability in a wide range of climates
c. Steel-coating stone
In addition to being resistant to heavy rains (up to 8.8 inches per hour), winds of 120 miles per hour, uplifting, hail, and freeze-thaw cycles; interlocking panels mimic slate, clay or shingles. As a result, they’re an affordable and effective option for areas prone to flooding, high winds, or wildfires. Lifetime warranty is available for some of the stone-coated steel roof systems.
d. Slate roof
Slate roofs can last up to a century or more. Waterproof and mold and fungus resistant, it won’t burn. Despite its high price, weight, and vulnerability to breakage, slate can be an excellent choice for wet climates. It’s important to remember this if you live in an area prone to hail storms.
e. Rubber slate roof panels
To fit Victorian-style roofs with intricate eaves and valleys, rubber slate can be cut with a knife to mimic the look of natural slate. Unlike slate, rubber slate roofs can be damaged by satellite dishes and foot traffic, making them vulnerable to hail damage. Rubber slate roofers are a rare breed, with only a handful of years of experience installing the material.
f. Clay-concrete mix roof
In tornadoes, hurricanes winds up to 125 MPH, and even earthquakes, clay and concrete roof tiles can withstand the damage
g. Green roof
As a result, green roofs have the potential to reduce urban heat islands and improve air quality while also reducing water runoff. There are a number of things that need to be done to support them, such as a vapor barrier and thermal insulation as well as a filtration system for water. They have a maximum lifespan of 40 years.
3. The process on how to build the metal roof system
a. Clean the area
Repairing a metal roof starts with thoroughly cleaning the surface. If a large branch or other object falls onto the roof surface, it can puncture the metal roof’s surface, but it’s also possible that corrosion and deterioration caused the hole. The area around the hole is likely to be dirty and needs to be cleaned, no matter what the cause of the hole is.
Simple Green or another cleaner can be used to thoroughly clean the metal panel’s surface until it is free of any dirt, film and/or algae growth. A wet cloth can remove any cleaner residue left behind, so be sure to wipe it down with a wet cloth once the cleaning is complete.
b. Scrub the area
Use a wire brush to scrape the area where the repair will be made after cleaning the metal panel. The sealant will adhere better to the metal if the surface has been scuffed. Only use the wire brush in the patched area; if you use it elsewhere, you risk removing the metal panel’s protective coating, which can lead to further deterioration.
c. Measuring and cutting the new metal roof
Cut the sheet metal to the correct size for the patching job. At least 2 inches beyond the damaged area, the sheet metal patch should be applied to the metal panel. Once the sheet metal patch has been cut and fitted, use an emery cloth or file to round the corners so that snow and ice won’t catch on them.
Place the patch on top of the hole after it has been measured. Outline the patch with a pencil on the roof. Remove the patch and inspect the outline to ensure that the patch will extend at least 2 inches beyond the damaged area in all directions.
d. Attach the already-cutted piece
While staying just inside the pencil line, apply an identically colored urethane sealant to the metal panel being repaired. Make sure there are no gaps or voids at the patch’s leading edge by liberally applying the sealant.
Place the patch over the damaged area and press it down firmly. Sealant should ooze out of the patch’s edges on all sides before it dries. As long as the sealant isn’t bubbling or oozing, moisture can get underneath the patch and cause the patch to deteriorate. To ensure that there are no gaps, add a small amount of sealant here
e. Glue the newly attach metal roof piece
Attach the patch to the metal roof panel using pan-head sheet metal screws once it has been pressed into place. Make sure the screws are spaced every three to four inches around the patch’s perimeter. Within an inch of the patch’s edges, screws should be used to apply uniform pressure to both the patch and the sealant beneath it. Fixing the patch should only necessitate screws of sufficient length to hold it in place. Never screw the patch into the rafters or roof decking after it has been applied to the roofing panels.
Use a putty knife to retool any sealant bleeding from the patch’s edge if necessary after it has been attached. Sealant should be applied to all edges of the patch to prevent water from penetrating the patch. Allow the roofing sealant to dry to the manufacturer’s specifications. In order to completely heal, it can take up to a week to get the skin back to normal.
f. Paint for matching the metal roof
The patch’s surface can be painted to match the color of the roof’s metal panels if desired. Simply brush the metal patch’s surface and the metal panel just beyond its edges with a wire brush. Apply a layer of paint to both the patch and the underlying panel. It may be necessary to wait for the sealant to dry completely before painting.
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