FAQ center

Is Sumuchang WPC decking guaranteed?

Sumuchang WPC decking offers a limited 10-year boards warranty.

Whether at the timber merchant premisesor at your own house awaiting installation, Sumuchang WPC decking packs should be stored in a dry, flat area under roof and off the ground. Loose boards should be stored on its edge in a dry, flat area under roof and off the ground. Failure to keep packs dry in storage can lead to the growth of mould spores on boards. When moving product around, Sumuchang WPC decking should be carried on its edge.

With Sumuchang WPC decking you can use standard power saws and drills. As with using any power tools, adequate personal protective equipment should be used when cutting or drilling Sumuchang WPC decking. The decking “sawdust”, is a coarse, heavy sawdust that doesn’t tend to “float” in the air. This makes it very safe for handling.

Sumuchang WPC decking comes in a wide range of colours and sizes for residential and commercial applications. Check our web site for more details. Please note colours may vary from batch to batch, however different batches of the same colour will weather to within a commercially acceptable tolerance.

Timber boards will often shrink slightly in width once laid, however Sumuchang WPC decking have extremely low moisture content. After laying, the surface fibres will “normalise” with moisture and the boards will swell slightly. It is critical that the side by side minimum gapping specified (5mm) by Sumuchang WPC decking is maintained when laying the deck.

We suggest it is less than 30cm.When there probably crowd of people walk by,25cm will more suitable.

Sumuchang WPC decking is a product made essentially from a mixture of ground sustainable wood waste and plastic (we actually use recycled plastic milk bottles). Sumuchang WPC decking products contain no Formaldehyde.

Sumuchang WPC decking has revolutionised the look and feel of outdoor areas. Highly versatile, Sumuchang blends beautifully with any architectural style. From decking to commercial outdoor areas, Sumuchang creates very practical yet stylish outdoor living spaces that are environmentally friendly. Our products come in a range of textured finishes and colours to ensure there is a product that suits you.

Our product features – such as its high degree of UV stability, high resistance to extreme weather, moisture and termites and low maintenance means Sumuchang WPC decking will out perform conventional timbers over many years.

The result is Sumuchang WPC decking products are highly stable, low maintenance products meaning you can rest easy for years.

Questions & Answers on Sumuchang WPC decking

Made from reclaimed wood and recycled plastic, our products are wood composites. They look and feel like natural timber, but require none of the maintenance of traditional timbers. You will not need to paint or stain our products since they come in many colours.

Sumuchang uses home-grown technology and is thoroughly tested in our laboratories, both internally and third party laboratories such as CE, SGS to ensure we provide customers a safe, environmentally friendly, world class product.

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Sumuchang.com Ideal outdoor decking,wall panel

Sumuchang.com Ideal outdoor decking,wall panel

As Sumuchang WPC decking has a wood-fibre base, mould and mildew can grow on the deck in some circumstances and environments, or if it “sweats” under the plastic cover (especiallyin rain) before installation. Failure to keep packs dry in storage can lead to the growth of mould spores on boards.

Yes, water stain marks can show on Sumuchang WPC decking boards. There are two types of water stains; both of which will generally disappear with exposure to a reasonable soaking of rain and general weathering.

Sumuchang WPC decking is relatively maintenance free, however, regular cleaning is important in keeping the deck to look great. Sweeping and cleaning with normal household cleaners is usually adequate to keep your deck looking great. “Sugar soap”, mixed with water works particularly well. Stubborn (usually oil-based) stains can be difficult to remove – we find that water-diluted degreaser works well – scrub in and wash off after a few minutes.

Sumuchang WPC decking is ideal in a marine environment, being unaffected by the salt air.

Yes. Sumuchang WPC decking is an ideal decking to be used in a pool and spa environment. Also, as there is no likelihood of splinters occurring, it protects your feet.

Sumuchang WPC decking has very similar non-slip ratings to painted or coated timber decking products.

Sumuchang WPC decking will burn like most timbers. It has been tested for ignitability, flame propagation etc and found to be of a performance somewhere between softwood and hardwood. Sumuchang WPC decking is not suitable to be used in bush fire areas

No.Sumuchang WPC decking can show scuffs and scratches, especially when new, and especially on the “sanded surface”. By rubbing on light decking oil with a clean rag the marks will be less noticeable. Exposure to the weather will see the board fade to its natural colour, thus hiding scuff and scratch marks. It is strongly recommended that all furniture on a Sumuchang WPC decking has protective feet e.g. rubber stoppers applied to the legs to help prevent scuffing or scratching of the deck surface.

No, Sumuchang WPC decking has been designed for use as decking only and cannot be classed as a “load bearing” product.

Tests have shown Sumuchang WPC decking has a similar surface temperature to timber of similar colours and finishes. Please note because grey is darker colour, it can get quite hot under foot, especially when new (similar to a dark painted timber decking board).

Yes, Sumuchang WPC decking undergoes some fading when exposed to the elements. Sumuchang WPC decking generally comes in “sanded” or “brushed” options for each colour. The “sanded” colour will fade approximately half way between its original colour and that of the “brushed” version. This will primarily happen during the first couple of months. But after that,it will remain the same for long times.

Whilst Sumuchang WPC decking has many fixing similarities to natural timber, there are a few subtle differences that must be observed.You can check with our staff to get the installation guide.

The composition of Sumuchang WPC decking products means that they will not splinter. This makes them ideal for small children.

Sumuchang WPC decking will not warp provided it is used and fixed in accordance with fixing instructions. Sumuchang WPC decking mini board can in some circumstances, show slight deflection between uprights.

Yes, like timber, it is important to provide adequate ventilation to ensure Sumuchang WPC decking is able to dry out after being wet. For this reason it is very important to pay attention to clearance on butt joins (end to end), spacing between boards (side by side), and minimum ground clearances. Lack of ventilation can cause the product to swell over time. Check product fixing instructions for information on ventilation requirements. Boxing in the deck will reduce cross flow ventilation and therefore should be avoided.

Sumuchang WPC decking has excellent moisture resistance, however it should be noted that Sumuchang WPC decking is not designed to “live in moisture” – this will eventually cause swelling,and affect physical properties.