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Factors to consider when buying roofing sheets (mabati) in Kenya Are you wondering how to choose the best roofing solution for your home? The roof is the most prominent and outstanding feature of any house. This is the reason why several factors should be taken into consideration before buying your roofing sheets and roofing accessories. Below are some of the things to look out for when you decide to buy your roof cover. 1. Quality and durability- How long will your roofing sheets last? Before you look at the price of the roofing material, be keen to ask your roofing solutions provider about the quality and durability of the roofing sheets. When it comes to steel roofing, ensure that the sheets have an Zincal (Aluminium-Zinc) base coating as opposed to just a galvanised base. This will allow your roof to last longer by protecting it against harsh environmental conditions. Look out for a roof that will not only give your home timeless elegance but also save you future repair and replacement costs. 2. Coverwidth- How wide are the roofing sheets? Did you know that the width and length of your roofing sheets affects the total cost of your roof? Using wider roofing sheets reduces the number of sheets you use per square meter which in turn reduces your ultimate building cost. When comparing various roofing sheets, always remember to check the effective cover width. Wider sheets also reduce the overlaps and joints made on the roof which in turn prevents points of weakness (a common cause for leakages). 3. Trusted Supplier-How long has the roofing supplier been in the industry Key to note is the supplier of the roofing sheets. Look out for a supplier who not only understands the roofing industry but also has been in the industry. A trusted supplier will be able to walk you through from the buying stage until the installation stage. MRM has a pool of trained roofing installers all over the country who could be recommended for proper roof installation.
NAILS OR SCREWS? HOW TO INSTALL A GOOD ROOF Buying good roofing sheets is not just enough and does not guarantee that your roof will last through its intended lifespan. It is important to consider the kind of fasteners you will use to install the roof. Is it better to use nails or screws during the installation process? What is the best fastener for your new roof cover? Fasteners are used to connect your roofing sheets to the building through the trusses. It is important to select the right fastener in order to ensure that the installation is strong enough and is protected against external factors such as wind and rain. Nails Traditionally, most people used nails to install roofing sheets. This can be attributed to the fact that nails are relatively less costly and easier to install as they only require a hammer as opposed to an electric drill often needed while using screws. Nails are not recommended especially for residential and commercial steel roofing solutions. This is because during different weather conditions, the roof tends to expand and contract. This in turn creates a 'pull-out' effect on the nail used in the installation. Ultimately, this leads to a gap on your roof and this eventually leads to leakages. Nails serve a better purpose when used for other construction applications. Screws Screws differ in terms of material, composition, size and shape. The best screws for steel roofing applications need to have the same properties as the roofing sheets to be used. In the case of MRM roofing sheets for instance, one would need to use Fixtite screws which are coated with a Zincal protection layer, similar to the one found on MRM roofing sheets. Screws are often stronger than nails and have greater resistance to the pull-out effect often caused by different weather factors. They are especially necessary in high-pitched and steep roofing applications which are common on most residential applications. Screws may sometimes seem more costly or difficult to install as they require an electric drill. However, the cost is eventually worth it as it saves your entire roofing system which would otherwise be expensive to replace. Fasteners should not be too tight on the roof. Room should always be given for expansion and contraction. In some cases, the wrong choice of a fastener may lead to nullity of the warranty on the roofing sheets. To ensure that your warranty is guaranteed, ensure you use the the manufacturer recommended fasteners.
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