Flexible roofing materials have already caught up with, if not surpassed, metal roofing in popularity. While it’s one of the most durable materials, it’s still susceptible to wear and tear and external influences. If you’ve chosen this exceptionally beautiful roofing option for your home, it’s important to know how to repair it. In this article, we’ll explore the potential problems with flexible roofing and offer recommendations for resolving them.
Features of soft roofing
The term “soft roofing” encompasses various types of flexible rolled roofing, as well as bituminous shingles (Euro shingles), the most popular product on the market. These flexible sheets are made of fiberglass coated on both sides with modified bitumen mixed with polymers. The inner side has a self-adhesive backing, and the outer side is coated with a protective and decorative layer of basalt or shale grit. The finishing layer can be given various textures, decorated, and painted in a wide range of colors.
The main advantages of elastic roofing:
- Possibility of installation on the most complex roof configurations;
- light weight – no need for a reinforced frame, easy to work with;
- variety of colors, designs and shapes;
- favorable price compared to natural tiles;
- long service life (manufacturers promise up to 50 years);
- water resistance;
- no corrosion problems;
- good sound insulation;
- simplicity of installation.
A very significant advantage is that minor repairs to a soft roof can be carried out independently.
Types of soft shingle defects, causes and consequences
Phenomena that require soft roof repair:
Leaks
This is a sign of serious problems with the roofing system. If the issue isn’t addressed immediately, the situation could worsen, leading to damage to the interior finish and the risk of short circuits.
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Peeling of the coating
This occurs due to exposure to moisture and heat coming from below. Poor thermal and vapor insulation, as well as installing roofing on a wet base or in freezing temperatures, are the most common causes.
Surface swelling
This means water has gotten under the roof. If the Onduline hasn’t peeled off but only bulged, then installation errors were made.
Cracking
Cracks can form individually or in a web-like pattern. European-style roofing tiles crack due to temperature fluctuations, shrinkage, and deformation. This can lead to water penetration under the roofing sheet and deeper, leading to delamination. The higher the quality of the material, the more elastic it is and the lower the risk of cracking.
Puddles
Typically, liquid accumulation in roof areas indicates an incorrect roof pitch. If left uncorrected, water will eventually penetrate into the interior.
Mold, rot, moss
These manifestations occur in puddles and cracks in the roof surface. Vegetation and “blooming” are extremely destructive. If roof repairs are not carried out promptly, they will damage all structural elements.
Dents
They appear as a result of careless use, stress, and impacts. These are ripe spots for puddles, threatening the integrity of the roof.
Destruction of the glazed layer
This is either due to poor quality material or wear and tear over many years from natural factors. Without protective coating, the sheet will soon begin to crack.
Folding the edge
Flexible material curls up at the edges when it’s dried out, and the loss of elasticity leads to cracking. This is usually due to a lack of proper ventilation under the roof.
If a problem arises, it’s essential to have your roof inspected immediately. A roofing specialist will identify the defects, determine their causes, and determine the specific repairs needed for your soft roof.
Types of soft roof repair
Experts divide roofing repairs into three types:
Emergency
Options:
- damage appeared suddenly due to external factors or improper operation;
- The “chronic” problem suddenly manifested itself with serious consequences.
Large-scale peeling or severe leakage are the most common cases when emergency repairs of soft roofing are carried out.
Current
Scheduled roof maintenance involves periodic inspection to identify and correct minor defects. Shingles are checked for tight fit, swelling, and cracks. All joints are inspected for gaps. Localized delaminations and small voids in joints can be repaired independently.
Capital
A major roof repair is performed on a soft roof if operation is dangerous, causes discomfort, or threatens further damage to the roofing system. Signs that a roof needs major repairs include:
- flows from the ceiling, along the walls;
- constant dampness or cold in the room;
- obvious damage to the coating (swelling, cracks, crumbling of crumbs);
- the wood in the rafter structure is “blooming” or has become dilapidated.
Major roof repairs are a large-scale and complex undertaking that requires the involvement of specialists.
Roofing repair: technology, stages
Let’s divide repair work into routine (elimination of minor defects) and major (complete covering of one or more roof layers).
Do-it-yourself roof repairs made of soft roofing
With basic construction skills and good instructions, scheduled repairs can be easily completed independently. Here are some DIY projects you can do:
- Bonding of delaminations.
Most often, the edges peel away from the base, but sometimes the entire shingle comes loose. The steps for repairing a soft roof in such cases are:
- remove the entire shingle or lift the torn edge;
- clean the base completely;
- dry the surface with a hair dryer;
- apply bitumen mastic to the exposed area;
- carefully put the covering back in place;
- press the sheet to the base (you can use a roller);
- treat the seams with mastic.
- Repairing cracks.
The first step is always removing debris and dirt and drying the surface. The most reliable crack repair options are:
- Hot compounds. Apply the hot mastic thinly with a brush to the base, leaving some excess. Immediately sprinkle heated sand over the mastic.
- Bituminous tapes. There are self-adhesive tapes for repairing flat roofing and sealing joints. When applying, try to ensure the seam runs in the direction of the liquid runoff.
- Patching repair of soft roofing.
A small hole in a flexible covering can be repaired with a patch. First, clean it and dry it with a heat gun. Fill the hole with “fast” liquid bitumen. Next, cut a patch from euro-roofing felt, rounding the edges. Heat the back of the patch and the area around the hole with a heat gun until it melts. Apply the patch with a spatula and press firmly.
- Shingle replacement.
A significant advantage of bitumen shingles over rolled products is that roof repairs can be carried out in sections. If the material is damaged locally, one section is replaced without opening up the rest.
Replacing shingles in stages:
- Use a thin chisel to lift the edges of the adjacent sheets (starts) and place supports under them;
- remove the damaged shingle with the same tool;
- Apply bitumen sealant to the inside of the new part;
- install new shingles, press them down and secure them with nails (drive the nails into new places);
- coat the starts with adhesive and glue.
Sometimes, when performing this type of roofing repair, a section (a tab) is replaced rather than the entire shingle. The damaged section is then cut out and a patch is installed. In this case, a third of the shingle is used for patching, not the tab, to ensure a large allowance.
Technology for major roof repairs made of soft roofing
If the roof is damaged by 40 percent or more, a major repair is necessary, and professional roofers are essential. The inspection results will determine the scope of the repair and its cost.
In the most complex situations, a complete roof re-roofing (turnkey) is required. The full scope of work includes:
- Old roof removal. The covering is removed, along with waterproofing, insulation, and vapor barriers.
- Restoration of the rafter system. Deteriorated elements are removed and replaced. Warped boards are straightened by nailing beams onto them. If necessary, the frame is reinforced by adding planks. All lumber is treated with a preservative.
- Installing the vapor barrier, waterproofing, and insulation. If the old materials are intact, they are reinstalled. First comes the vapor barrier, then the insulation and waterproofing membrane. All joints and overlapping membranes are carefully sealed with adhesive tape to ensure a complete seal. Large gaps between the insulation boards and the beams are filled with foam.
- Laughter. Only parts that have become unusable are replaced.
- Installing Euro-tiles. If necessary, restore the underlayment (roofing carpet). Then, begin laying the shingles from the center to the right and left, working from the bottom up. The shingles are overlapped using bitumen adhesive.
The technology described above is a complete roof repair, essentially disassembling and reassembling it. However, such measures may only be necessary after many years or decades of use. Or, perhaps, if the roof was installed by amateurs and everything is wrong.
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