Installation Guides

Ultimate Questions Answered About Installation

We’ve trolled the internet and found the most common FAQs that people ask about installing composite decking. Find below the answers to questions people regularly ask about:

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Composite Decking Hidden Fasteners

Traditional decking installations are used to drill in screws on your deck to fasten the decking board and materials to the joists below.Hidden fasteners on grooved decking boards eliminate this and provide a more polished finish in which wood grain patterns can take centre stage in your design.Hidden fasteners are highly advantageous. We have listed three key reasons below why Ultra decking will only supply hidden fasteners. Hopefully, this will help you make an informed choice.

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Wood Vs Composite Decking

 Composite decking has now taken centre stage for any new garden decking project. You only need to watch any home garden show aired on National Television to understand the features, advantages and cost benefits of composite decking compared to wood decking.If you’re currently in the market for a new deck, one of the main questions you may be asking yourself is, should I purchase wood or composite decking?You can visit our benefits and advantages page for a guide on the main benefits and advantages of composite decking compared to wood.Wood decking is fast becoming a thing of the past, mainly due to the high maintenance costs of regular wood decking upkeep year on year costing over its short life span. Regular wood decking suffers from warping, splintering, cracking, fading and even crumbling leading to structural failure.Below is an expert look at the key factors upon purchase and time when comparing wooden decking with composite decking.  

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Composite Decking Board Cores

I’ve been asked several times by clients domestic and commercial, "does the composite decking board depth and core type make a difference to the strength and overall performance over the decks service life?"On this page we will discuss the different depths and design of all composite decking boards and what truly matters when purchasing.

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Composite Decking Hollow Vs Solid

Some Solid Decking Board companies are publishing a lot of negative information regarding Hollow Decking Boards. Yes, they do use less material and are normally cheaper. However, Hollow Decking Boards are designed and engineered for their strength and durability.A good reason for this negative publicity, it’s easier and faster to produce a solid board. Many manufacturers don’t have the skills, knowledge or latest machine technology to extrude a Hollow Decking Board. This requires a high degree of expertise and knowledge, including access to the latest composite machine technologies widely used in aerospace and car manufacturing plants.

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How To Install Composite Decking?

When installing composite decking yourself, it is extremely important to follow the installation guidelines provided by the manufacturers. This is mainly due to the thermal expansion and contraction that composite decking experiences as a part of a plastic plastics product. Composite decking will expand and shrink from summer to winter as it cools and heats up.The correct spacing must be provided to allow movement throughout the year and lifespan of your composite decking. Before installing your composite decking it’s important to always remember 3 key points, expansion, water drainage & good airflow. Composite decking expands in the heat and contracts in the cold. Since every area in the UK has different temperatures you need to allow up to 48 hours for the composite decking boards to climatise to the weather conditions in your location and carefully take into consideration the expansion and contraction gaps required during installation.Water drainage & good airflow are also important. This is why Ultra Decking recommends a raised deck area with up to 2.5% gradient ensuring all water drains off the deck easily and a raised deck of a minimum of 300mm. If you do choose to complete a ground level deck it’s important to allow a slope and area for the water to drain off easily, please check this during installation. Note: Please ensure that the drainage between the bases is good; otherwise, this will cause long term rot of the joists and deformation of the decking.Important note – Don’t forget the gaps, a 25mm expansion gap should be left between the deck and any walls or fixed objects, 3mm gap side to side of all deck boards and a 6-8mm gap on any joint butt (8-10mm gap left below 10 degree) with a 6mm gap left at the end of the boards or meeting a facia or trim angle. However, it is important to double-check with the manufacturer’s installation guides to double-check.Upon installation, one thing to note before starting your install is to open up your boards up and allow them to settle in the climate for at least 48 hours.When storing the boards please ensure the boards are flat, covered and supported at 30 cm intervals.Ensure you have enough materials to cover your new decking project. This is a common error due to incorrect measurements or not creating a detailed plan.We also recommend adding at least 5% wastage to your calculation or measurements. Add at least 15% extra materials for diagonal areas due to higher wastage.

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