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Composite decking is a low maintenance material for building your deck, but it still requires some maintenance. As a matter of fact, a little maintenance goes a long way to help your composite boards last longer and prevent any damage that may happen. Most composite decking boards come with a warranty, so proper maintenance and cleaning procedures are necessary for those just-in-case scenarios where you might have to use the warranty.

It is always a good idea to double-check the cleaning instructions for your brand of composite decking boards before cleaning so you don’t do anything that will void the warranty. If you have a composite deck installed in your home or commercial property, a simple soapy water solution with a pressure cleaner should do the trick. However, some composite decking comes with cleaning guidelines and require more effort to maintain than others.

A few factors will dictate how often you need to clean and what type of cleaning is required: the season and location, along with how much traffic the deck gets and if debris tends to accumulate on it.

Preventative cleaning is definitely a better option than reactive cleaning to undo the damage if you want your deck in top shape.

Keep a simple cleaning routine

Most composite board manufacturers suggest a weekly or monthly cleaning to keep the deck as clean as possible. This can be as simple as a quick once-over with a broom to clean off dirt, leaves, and other accumulated materials.

For larger decks or in autumn, when there may be a large amount of leaves that need to be removed and cleared, you may find using a leaf blower easier. For decks with a lot of dirt accumulation, use a high pressure water cleaner to hose the dirt off.

Remove stubborn dirt from your composite decking

For hard to remove dirt, you’ll want to use soapy water and a brush. Start by hosing off the deck and then use a soft bristle brush with a mild detergent mixed with water to scrub the deck. Make sure that you get into the cracks and corners of the deck, this will ensure that you will remove any mildew or mould that could possibly build up on the deck.

A wash with soapy water is recommended at least twice a year, and more often if exposed to a very dusty or humid and moist environment. Or you decking material is a 1st generation or un-capped composite.

If your deck is larger or if scrubbing it seems too hard, you can use a pressure washer instead. Make sure it is set to under 3100 psi and the nozzle is at least 21 cm from the boards. To prevent damage always spray with the grain of the composite.

For both scrubbing and pressure washing, make sure to completely rinse the deck with clean, preferably warm, water afterwards. Soap can leave a film on composite decking that could damage it over time. Also, never use a harsh detergent or acetone solution; instead opt for mild soap and use a high-water dilution ratio.

Take fast action with any food spills

On a day-to-day basis, especially during the summer when outdoor entertaining is frequent, make sure you remove and clean any food spills as soon as possible. Certain composite board manufacturers have a material warranty that will be voided if food is left sitting longer than seven days.

Remove the food or drink spill and then wash using a warm soapy water mixture. This method is not limited to food alone, it will also work on any grease or oil stain.

Keep your deck in pristine condition

Some composite board manufacturers will have brand specific ‘brighteners’ that can be used after cleaning to protect the boards and will also remove any tannins that could be left over from debris. Double check to verify the brightener can be used with the decking material you have, clean the deck, then apply the product after the deck is completely dry. For 1 generation or un-capped decking there are stains or sealers similar what is used on timber decking to restore and revitalise your deck.

All in all, cleaning a composite deck is quite simple. With regularly scheduled maintenance, your deck will look great and last a whole lot longer.

Want to learn more about composite decking? Check out our decking blog now!

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Our customers say

Great prices, Better than Bunnings and helpful too
Brett Rijkers
Brett Rijkers
1716508413
I recently contacted Decking Perth to purchase merbau decking. Ross was extremely helpful and knowledgeable. He gave me very good advice, completed my purchase and arranged delivery on the day I requested.The delivery driver was friendly and efficient, notified us of his arrival time on delivery day and placed the timber in a very convenient location as arranged.The merbau we received was of a beautiful quality, arriving in long straight lengths and easy to lay.I highly recommend Decking Perth to anyone requiring decking. The service we received was faultless and the quality of the product was excellent. We will definitely purchase our future decking requirements from Decking Perth.
Maureen Mandy
Maureen Mandy
1714786582
Decking Perth were good to deal with but because they sub let the actual installation of the decking to various carpenter tradies, you need to check with them that the installer trade price is reasonable as per Perth decking quote indication.
Peter Slyth
Peter Slyth
1714567737
Very professional and most excellent workmanship from David O’Brien at CCI carpentry. First class tradesman. Many thanks to Decking Perth and the team.
Iain Paterson
Iain Paterson
1712993562
Ross has a wealth of knowledge to assist my DIY decking project. Plus post deck care and restoration of our second decking area. Something you can’t get at Bunnings.
Bruce York
Bruce York
1711929866
Highly recommended! Great product. Alan was very helpful. Great customer service.
Cheryll
Cheryll
1711022406
Great service, great prices. No fuss. Just what I wanted
steve sunley
steve sunley
1710307272
Many thanks to the team at decking Perth specifically Phil for all their advice and info on moisture shield decking. The quality of the product is very good. I’ve included some basic photographs of my finished product and then a photograph of the 3 1/2 year-old new tech wood decking that I replaced. This was very poor quality. Thanks again I will use decking Perth anytime I require any form of decking. Rgds bill
Bill (Bob)
Bill (Bob)
1710140894
Great service and the timber supplied was great quality. Delivery driver even went above and unloaded the timber into the garage.
Jahn Giolitto
Jahn Giolitto
1709690905
Very good service and friendly staff. Had my order ready to go the next day.👍🏻
Joel Drummond
Joel Drummond
1708148812
Andy Conroy
Andy Conroy
1707457303
Excellent service. Prompt delivery and good price. Materials were well packaged and protected from the elements.
Liza Du Preez
Liza Du Preez
1707399277
Great service and well looked after. Goods are reasonably priced also, would recommend visiting this branch for your decking needs.
DaEtSwEn
DaEtSwEn
1706849965
All get great prices and professional, friendly help.
b p
b p
1706774315
The installation team were top notch and very professional, but the supply people at the warehouse said stock was there, then not, so we chose another board, then it turned out they did have stock. Overall a good experience.
bryan scrivenor
bryan scrivenor
1706004952
Great customer service, everyone was very helpful organising materials and had a great understanding of the products
Dean Morgan
Dean Morgan
1705877784
I’ve been using decking Perth for my timber and decking supplies for some time now and I can say that all of their products are high quality. A very friendly staff as well and are always ready to help out.
Blake De Costa
Blake De Costa
1705644847
The guys at Decking Perth were fabulous to deal with. Being a DYI project and never having built a deck before I had many questions which they were happy to answer. Their choice of products was extensive and we ended up choosing the Moisture Shield range. The product was great to work with and the result was fantastic. Decking Perth helped with all the ordering and delivery and happily accepted any returned unused items that were not required.Fantastic experience all round and we love our new deck.Thanks guys.
Ralph
Ralph
1705536586
As a small construction business, we greatly appreciate the time and personal customer service the team at decking Perth show us. We feel like a valued entity that is listened to and supported by a supplier which is rare in this industry! Will continue to use as our primary supplier for decking!
Luke Gladys
Luke Gladys
1705409940
After visiting several decking businesses, I landed here to find excellent service, listening skills and advice. After choosing the material, they provided several quality different people to quote the job........(how much time did that save!) and as a result I have a lovely front and back deck. so pleased.
Sharon Reeves
Sharon Reeves
1705215881
very good experience, very knowledgeable staff and high level of customer service.
Adrian at Decking Perth was very knowledgable and helpful and provided sound advice about suitable materials and finishes for my courtyard decking project for which I was very grateful. A big thanks also to Blake (contractor referred by Adrian) who did such a wonderful job translating my ideas into reality (including the bench seating) and whose workmanship was excellent. I am so happy with the finished Jarrah deck, which looks better than I could have hoped, and with my experience dealing with Adrian and Blake. Thanks so much guys!
paulineC
paulineC
1704594493
Very impressed with the service from Adrian and the quality of the Merbau timber delivered. Great value, every piece of timber was quality. Will definitely recommend.
Matthew Trueman
Matthew Trueman
1704522827
These guys know everything there is to know about timber and decking. Adrian was extremely helpful and showed me exactly what to do with my home project, very friendly, honest, and the best prices in Perth!
Ryan Thomas
Ryan Thomas
1703902840
I am a small business owner, and I can't express how grateful I am for the incredible support I've received from Decking Perth Supplies. Their high-quality decking materials have not only transformed my outdoor space but have also been a key factor in attracting more customers to my establishment. The team at Decking Perth Supplies has consistently gone above and beyond to assist me in choosing the right materials and providing valuable advice. Their customer service is outstanding, and I highly recommend them to anyone in need of top-notch decking solutions. Thank you for being such a fantastic partner for my business!
James Fletcher
James Fletcher
1697293629
Bought my second lot of concrete from Decking Perth. They neatly left it stacked on the front verandah, which was a great help. I absolutely recommend them. Great price, great service. Thankyou
Andrew Quin
Andrew Quin
1696487440
After a visit to the showroom and 2 separate large timber deliveries, I can't be more happy with the customer service and product. The guys at the showroom take the time to understand your needs and offer their expertise and advice with genuine passion. Timber was carefully packaged and delivered with no fuss. Excellent local business. Cheers guys.
Aaron S
Aaron S
1694671171
Provided list of trades and job got doneWas very hard to find trades nowadays
Jayesh Thakrar
Jayesh Thakrar
1691472975
Great customer service best prices in around for quality decking and also they have a pre oiling service in factory to help out with timeGot a quote in 10 minutes while other company's took 2 days some not even got in contact, decking perth balcatta also have a good price on delivery.
Dimi Wald
Dimi Wald
1691225031
Great advice and service. Timber always great quality
Thomas Jeffery
Thomas Jeffery
1686566912
Excellent service! Ordered online (very easy process) with competitive prices. Received a call within 12hrs to arrange a time for delivery and our order was dropped off with no issues within a few days of ordering. Very happy and would recommend to others. Thanks Decking Perth!
Great price, easy to order from website. In stock timber delivered the very next day. Cheers guys!
Andy H
Andy H
1672805815
The order was so easy to do, completed online, asked for the wood to be delivered on a specific day and it turned as requested. The lad that delivered the wood and concrete went out of his way to store it neatly in the shed. Great service, will highly recommend Decking Perth to other people. Thanks
Steve Rodgers
Steve Rodgers
1668858043
We contacted Decking Perth via a website contact form and received a call back within an hour! We visited the showroom on a Saturday, took colour samples home and were contacted by two carpenters on the following Monday morning. Both were prompt and very reasonably priced. Our decking was completed within a day and all offcuts and rubbish removed.We are thrilled with the results.The process was quick, efficient, friendly and well priced.Thank you. :)
Great advice, products and service.Thanks for your help, appreciate it and the deck looks awesome
Brett Walters
Brett Walters
1666326287
The level of service, quality of the timber and professionalism of the Decking Perth Team is without question the Best in the West! I placed my first order last month for some subframe H3 which arrived superfast, was well wrapped and of excellent quality. This week I have taken delivery of some additional subframe H3 and Merbau 5.7 FJ decking and was not let down. The only place I will order my decking supplies in future.
I went to a few places but none were as helpful as these guys,Got everything I needed with their help including some helpful advise on installation. Best I found and reasonably priced!Much appreciated to all
Marco Scampoli
Marco Scampoli
1663213677
Thank you for your help
Lorraine Anstie
Lorraine Anstie
1660019547
Great service!
Our carpentry business has been using Decking Perth for supply of decking materials for coming up to 2 years now. The administrative staff are very friendly and helpful, whenever we have faced an issue of low or no stock on certain materials needed for an upcoming job everyone at Decking Perth jumps in to gear to help source for us & our clients ASAP
Always a pleasure dealing with the good people at Decking Perth. They offer a great range of products at great prices and have always been helping in placing order and even updating them on the fly. It's always good dealing with a business/supplier that cares about my customers as much as I do. Thanks team!
As a Carpenter by trade I use Decking Perth for most of my building materials, they have a huge range of products and are by far the best price for composites and structual pine I have found in Perth.
DAVID O'BRIEN
DAVID O'BRIEN
1657018175
We couldn't be more pleased with the result of our new decking built by Dean and his team from Allstyle Build using composite decking sourced from Decking Perth. Dean's customer service and attention to detail was really appreciated and his pricing was value for money given the excellent result. Wouldn't hesitate recommending both Allstyle Build and Decking Perth's products for any decking project.
Paul Hamersley
Paul Hamersley
1648122188
Ive just had my new composite deck supplied by Decking Perth. The whole process was so easy and professional. James and Eric from JLA Carpentry did a fantastic job doing the installation. The workmanship is top class. Highly recommended.
Steve Blight
Steve Blight
1646801163
I had no idea where to start when it came to getting decking installed. I was so pleased when I found Decking Perth because they did all the tricky stuff for me - all I had to do was tell them what I was after and what colour and they did the rest. The contractor I ended up choosing to do the instal was fantastic. Couldn't be happier with my new deck! So thank you!
Kealy Hardman
Kealy Hardman
1645258355
We had our front entrance decking replaced with the composite product - Spanish Saffron colour - and am super happy with the outcome. The service and advice/options provided by Perth Decking was very professional and Eric and his team did a fantastic really great job.Recommend Perth Decking and their teams without any hesitation.
Mazlin Junid
Mazlin Junid
1644375877
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