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How Often Do Flat Roofs Need Replacing?

When a flat roof needs to be replaced is determined by a number of factors which includes the roof’s exposure to the weather, the condition and age of the roofing materials as well as the construction of the roof. However, with proper maintenance and regular inspection, they should be used for nothing less than 50 years. There are some commonly used types of flat roofs which includes Felt flat roof as well as a GRP flat roof.

Felt Flat Roof

The lifespan of a felt flat roof also varies depending on the quality and grade of the felt roof incorporated. This can make the roof last within the range of 2 to 20 years. More often than not, felt flat roofs are usually installed in such a way to keep the costs down which implies the grades of felts that are mostly used are the economical ones implying a very short lifespan.

In the event whereby a premium grade of felt is incorporated in constructing a roof by professional contractors, will be guaranteed by the manufacturer to last between 10 to 20 years.

One of the major causes of a short lifespan in felts is leaks which should be regularly inspected and repaired once identified. If not, the roof will gradually deteriorate and become a lot weaker due to the action of the sun. However, when a felt roof starts to leak, it’s usually a sign that’s approaching the end of its lifespan and a replacement should be taken into account.

GRP Flat Roof

The GRP flat roof or fibreglass flat roof usually comes with a manufacturer’s guarantee of 20 years and is expected to have a lifespan of a minimum of an additional 10 years.

Unlike felt roofs, they’re more resistant to leaks. However, they should also be regularly inspected for leaks which are caused mostly as a result of installation error rather than the GRP roofing approaching the end of its useful life. If the GRP roof repair does not totally resolve the leak, you should start considering a replacement.

Fibreglass, or GRP, flat roofs are very durable and should last you years, but over time they can become brittle and you might see some cracks or holes forming. Luckily, you can repair a fibreglass flat roof and it doesn’t have to be too difficult. Cracks in a fibreglass flat roof If you notice long cracks in your fibreglass roof, you can often use a fibreglass crack sealant. Simply clean the area, squeeze the sealant into the crack, then smooth it off. If you want it to look neater, you could coat the entire roof with a restorative coating which will make it look new again. Hole in a fibreglass roof If you notice a hole in your fibreglass flat roof, you’ll want to get this repaired as soon as possible to avoid any rainwater getting into your home. There are lots of fibreglass roof hole repair kits on the market, both online and in DIY stores, so you shouldn’t have trouble picking one up. They usually contain a mouldable UV cured patch that you can stick onto the hole. It will harden and become instantly weatherproof, so is the perfect emergency repair solution. Fixing pin holes in a fibreglass flat roof Unfortunately, if you find pin holes in a fibreglass flat roof it’s often because the installer didn’t use enough resin during the fibreglassing process. Luckily, if you can’t get back in touch with the installer or you only notice after a few years, you can fix this yourself. Sand down the roof back to the clear resin layer. Clean the entire roof with acetone and reapply some GRP roofing resin. Ensure that all the pinholes are filled – you might need two coats.

Blisters are most common on membrane roofing systems. Lots of contractors will tell you that if there are no signs of further damage, there might not be any need to repair flat roof blisters. They form when pockets of air or water get trapped between layers of the roof’s membrane or between the membrane and the frame. When the sun is out and it heats the pockets expand and stretch the membrane. If you do want to repair your flat roof blisters, there are a few ways to go about it.

If you have a membrane flat roof, cut away the membrane until you reach a place where the membrane is still stuck tightly to the roof. Reapply as many new membrane layers as you cut away over the blistered area. You might even need to do more. To make sure your patch remains watertight, you’ll need to leave at least 6 inches around the edges of the blister.

If you’ve got a felt roof, you can cut an X shape through the blister. Peel back the triangles that you’ve made and let the timber frame dry for a while (so don’t do this when rain is forecast!). Then, coat the area with lots of bitumen adhesive and leave it to dry until it feels tacky. Then press down the triangles of felt firmly into the adhesive.

After that, you’ll need to add more bitumen adhesive to the cuts you made. If you’ve got any spare roofing felt, cut a square that’s about 100mm bigger than the cuts then lay this over the adhesive. If you’ve not got any felt, it’s cheaper to use a self-adhesive flashing strip. Once you’ve laid the strip or patch over, seal the edges with more bitumen adhesive.

An eave is the edge of a roof, which is why they are now and then called roof eaves. On a household's outside, eaves can stick out outside the side of the building, serving both ornamental and applied purposes. The eave of a house has come to mean the lower area of the roof that projects after the external covering, as opposite to a cornice, which is part of the entablature in Classical architecture.

Think of how a roof outspreads outside the covering, and then think about how a hard rain may roll down the roof and, on the ground, away from the structure. Centuries ago, the eavesdrop was that indentation line made around a structure when the rain fell off the edge of the roof onto the ground.

Types of Eaves

A roof can come to a conclusion in essentially three ways. A closed eave is the one which has very little or no overhang at all. An open eave has a visible overhang, projecting beyond the roof brackets. A boxed eave is surrounded with a soffit.

The Use of Eaves?

An eave can defend the siding and substance of a structure. A roof eave bulging beyond the sides permits snow and rain to fall from the roof away from the covering, to the ground. The more the "weather" gets thrown away from the household, the chances of you having a dry basement increases.

In cases of regions with a warmer climate, a large eave can help provide shade to the interior of the house. In rainy environments, the prolonged eaves of Asian architecture deliver shelter from the climate, as well as direction. In the 21st century, an eave may be an inconspicuous site for security cameras and light.

Gutters are a crucial component of any roofing system. They’re designed in such a way to protect your home or property from serious water damage, but keeping them clean and in good condition is something that’s almost always forgotten or ignored. Do not be deceived even when rain water is still running from them or they don’t appear to be clogged. Failure to clean maintain your gutters can lead to a wide range of outcomes and they aren’t so pretty. According to experts, gutter cleaning should be done twice a year - once in the spring and once in the fall. In order to help you realize the importance of cleaning your gutters, we’ll look at some of the possible outcomes of a neglected gutter.

• Leaky roof. If your gutters get clogged and cannot move water away from your home, it begins to build up on the roof and eventually lead to damages like rot and mold. As the damages spread, the end result could be a severe damage to the attic and supports.
• Damaged foundation. If the gutters are not functioning as they should, water saturation becomes a great threat to the foundation of your home or property. The concrete will crack or wood rots and you can also end up with mold.
• Creepy crawler infestation. Wherever you have stagnant water, there are also bugs. This is because they love the wet and moisture-filled gutters. You get unwanted visitors like carpenter ants, roaches and mosquitoes, just to mention a few.
• Driveway and path damage. When the downspouts aren’t directing the water to the appropriate spot, the excess that comes in contact with these surfaces can lead to cracks or sagging.

To keep water away from your house, the importance of gutters cannot be overemphasized. However, in order to enable them do their job the proper way, the clogging dirt and debris must be thoroughly wiped out and fortunately there are a number of ways to get the job done by yourself. However, it must be stated that cleaning of gutters can be a very dangerous task as it deals with working at heights. As a result, if you are not confident enough to this pull this off, then we’d strongly recommend you get in touch with a reliable professional who can guarantee the job effectively and also in a safe manner. In this guide, we’re going to look at some of the ways in which you get rid of dirt and debris on your gutter by yourself.

• Clean the gutter with a leaf blower. Several leaf blowers feature a nozzle attachment which is made to release a narrow stream of air which is suitable for cleaning of gutters. All you have to do is simply to position your ladder to enable you work slowly towards the downspout and getting rid of all dirt and obstructions on the gutter as you go. The final step would be to remove any lingering leaves or twigs using a hose. If don’t want to stand on a ladder to do all these, a specialized attachment is available to add to the blower’s reach.
• Clean the gutter with a wet or dry vacuum. For heavier debris, you can try out a wet or dry vacuum. To reach the obstructed gutters while standing on the ground, simply get curved attachments and hoses at a local home improvement store. You may, however, need to moisten some stubborn dirt before it can be properly vacuumed or removed.after completing the vacuuming process, simply flush the gutters with garden hose waters.

Roof tiles should be replaced as soon as possible to ensure that your roof stays waterproof. Use crawl boards when replacing them to avoid damaging other tiles, if not ask a qualified roofer to carry out the work, particularly if the tiles are higher up.

How To Clean A Fibreglass Roof?

If you have a dirty fibreglass roof or perhaps you’re just planning to have one installed on a newly constructed house, then you’d probably want to know the best way to have your fibreglass roof cleaned.

Generally, fibreglass roofs are of great quality and happens to be a lot more resistant to moisture, heat, water and even fire when compared to the other alternative flat roofing materials. As a result, they require just a little maintenance but this doesn’t mean they should be totally ignored. Truth be told, cleaning of a fibreglass roof is as easy as it get, however, when it comes to working at height, skill and confidence is paramount to guarantee your safety. If you lack any of these two qualities, then it’s highly recommended that you sought the services of a reliable roof cleaning contractor who can do the work safely and perfectly. If you’re able to clean and maintain your fibreglass roof as you should, you wouldn’t have to think about replacement for about 20 to 30 years.

Cleaning is simple and doesn’t take much time. Now let’s take a look at the process.

✓ Preparation. Hose down the vegetation around the area with water to protect them. Once done, mix a gallon of warm water with one quarter cup trisodium phosphate and 1 quart of bleach. Put this mixture into a garden sprayer and sweep any dirt or debris off the roof with a broom.

✓ Application. Spray the mixture over the fibreglass roof, ensuring that it gets to all the necessary corners where dirt may be hidden. Allow this applied solution to sit for up to 15 minutes to loosen the stubborn stains and dirts on the roof.

✓ Finishing. Spray cold water to wash down all the solutions. If there’s still some dirts, you can repeat the process till the fibreglass roof is entirely clean.