Best Blade to Cut Composite Decking – Only Melt-free Cutting

by James Antony | Last Updated: 21st September 2020

Composite decking projects are likely to include a lot of wood adjustments to board lengths. For that one invariably has to make use of cutting blades. Though there are numerous blades that can get the job done, it is well-advised to use blades that are dedicated to that purpose.

Composite wood is a category of wood types which include the likes of wood, plastic, chipboard, plywood, particleboard, and fiberboard which are mainly used in construction outside.

One thing to keep in mind is that the coarser the material is, the finer the blade teeth need to be if one is to get a clean cut.

One should consider how important it is for one to get a clean cut If that is not the requirement, you can simply select the blade that helps you accomplish the task the fastest. So let’s take a look at which blades that one can select for the job.

Freud D12100X 100 Tooth Diablo Ultra Fine Circular Saw Blade for Wood and Wood CompositesBest Overall

Freud Diablo Ultra Fine Circular Saw Blade for Wood Composites - Best Blade to Cut Composite Decking

Freud Diablo Ultra Fine Circular Saw Blade


First up, we have the manufacturers of ultra-fine wood cutting blades – Diablo. The product is well up to any task or project that involves the cutting of wood composites, especially decking.


Freud D12100X has a kerf design that is sharp and thin and can shear through effortlessly. The vents are laser cut with stabilizer vents that take in noise and absorption. This prevents any movement sideways and makes for clean and precise cuts.


This blade goes through wood and wood composites like hot butter through a knife. The wood thus produced has a superior quality finish. The clean shearing is possible mainly due to its axial shear face studded with 100 jagged teeth.

  • Superior wood quality produced
  • 100 teeth
  • Ultra-thin design
  • Shears through wood faster
  • Precise cuts
  • A little on the expensive side

DEWALT DWA31740 Composite Decking BladeBest Precision

DEWALT Composite Decking Blade - Best Blade to Cut Composite Decking

DEWALT Composite Decking Blade


Next up, we have a product by DeWalt which is considered somewhat a household name in the woodworking industry. Let’s take a look at some of the defining features that have made it a favorite amongst workers who deal with composite decking.


The blade features a triple chip tooth design that grinds through the wood with ease. It is a modification over the general blade construction and is specially made for composite decking. The plate is laser-cut which makes for clean, precise cuts.

Best Blade to Cut Composite Decking


One can get pretty impressive cuts out of this blade and its serrated edges. The plate provides true, straight cuts that are of supreme quality and are ideal for composite decking. The blade can be applied to cut cellular PVC. One can easily get melt-free cuts with this blade that adds to the value of the finished product.

  • Great design
  • Serrated edges provide easy cuts
  • Provides a supreme wood quality
  • Laser-cut blade
  • Ideal for composite decking
  • Doesn’t come with any warranty

Norske Tools NCSBP228 10 inch x 64T Composite DeckingBest Cutting Life

Norske Tools Composite Decking - Best Blade to Cut Composite Decking

Norske Tools Composite Decking


Here, we find ourselves with one of the most used tools by professionals, one made by the Norske Tools Store. Here too one will find nothing worth complaining about as the design and the performance is on par with the best in the business. Let’s take a look at them thoroughly.


The 64 teeth of the blade are 10 inches long that designed to cut through any decking material and even cellular PVC. The kerf design is ultra-thin, and in the non-stick coating protects the blades while reducing drag. The blade is also protected against corrosion and heat which keeps it from moving sideways.

Best Blade to Cut Composite Decking


Norske blades perform exceptionally well when it comes to providing clean, melt-free cutting and its composition ensure that its cutting life is maximized. The blade can even shear through bamboo without much effort. This possible due in no small part to the non-stick coating that shields the blade from gumming.

One is bound to find multiple uses for this heavy-duty blade. Although there are no guarantees, one can safely count on the blade to provide impeccable cutting performance for many years to come.

  • 64 serrated teeth
  • Designed to maximize cutting life
  • Provides melt-free cutting
  • Requires minimal material removal
  • Ideal for bamboo decking
  • No guarantee provided

Bosch DCB 1284CD 12 In. 84 Tooth Edge Circular Saw Blade For Composite DeckingBest Blade Teeth

Bosch Edge Circular Saw Blade For Composite Decking - Best Blade to Cut Composite Decking

Bosch Edge Circular Saw Blade


Last, but not the least, on our list is a circular saw blade designed by Bosch. Though one is bound to find it a little on the expensive side, it is one of the most premium cutting blades that one can find in the market today. Let’s jump into the specifics.


The circular saw blades are designed specifically for heavy use construction applications. These are manufactured with top-of-the-line steel plates and a carbide formulation that improves longevity and provides faster cuts. The serrated teeth of the blade are triple ground while the kerfs are thinner to reduce waste.

Best Blade to Cut Composite Decking


One can expect nothing less than the best with such a design as mentioned above. Truly, there are very little impact resistance thanks to its composition. Even when cutting highly abrasive materials, the quality of the finish is extraordinary. The full steel body resists bending and provides an accuracy that is necessary for true cuts.

  • Triple ground teeth
  • Anti-friction finish
  • Resists impact and lasts longer
  • Provides a high-quality finish
  • Reduces waste and delivers accurate cuts
  • Is a little expensive compared to others but is definitely worth the price

Best Blade to Cut Composite Decking Buyer’s Guide/FAQs

With that, we come to the end of our review. But there are still some questions that remain unanswered especially when one is considering which one to buy, and how to operate these blades for composite decking. While answering, we shall also go through the buyer’s guide in brief so you know how to arrive at an easy decision.

Which saw blade to use for composite decking?

Any circular saw blade that has 40 teeth or more will do the job well. The number of teeth on the blade is a crucial factor since it leads to better accuracy of the cut and the speed with which they are made. Having a blade with fewer teeth may cut faster but will result in rough finishes.

What blades should I use to cut composite decking?

A circular saw blade with a high tooth count is ideal to cut composite decking. When one is using power tools, keep your fingers away from the running blades and push the blade through the decking.

What is the lifetime value of composite decking blades?

These blades can be used for a lifetime if they are used properly. Though there are some other products that are well below the price range of the blades mentioned in our review, they do tend to wear out easily and deliver sub-optimum cuts. Their maintenance costs are likely to be higher in the long term, which is why only premium blades must be chosen as they require little to no maintenance and provide maximum cutting life.

What else will I need other than blades when cutting composite decking?

Other than the blades, you will require a tape measure for easy measurement, a pencil, or chalk to mark the cut-away, and, lastly, and most importantly, eye and ear protection. If you’re using premium cutting blades you may not have to wear eye protection since they produce minimal debris but it is advised nevertheless to be on the safer side.

How long does it normally take to cut composite decking?

The answer to this depends on multiple factors. First, one has to take into consideration the complexity of the deck design. Secondly, one has to consider the blades that are being used. Thirdly, one has to take into account the level of expertise of the user.

Safety measures

Please check this guidelines and safety measures for different types of saws.

Best Blade to Cut Composite Decking – Final Thoughts

Cutting composite decking is no easy matter, but with the best blades, one can ensure not just faster delivery but also get impeccably fine cuts that only professionals achieve. There are definitely many factors to consider when one is out in the market looking for the ideal blade in one’s price range.

Everything from the finish, to the tooth count, to the heat and wobble resistance, are things that have an impact on the kind of cut that you get. Melt-free cutting is to strive for which is the hallmark of a premium blade.

Blades tend to wear out over time and require maintenance and keep-up. But if you choose premium blades, this won’t be a problem. They have naturally long cutting life due to their makeup and composition.

We hope that this review has given you sufficient information to make an informed decision about which blade to get to cut composite decking, and what you should be on the lookout for.

Did you like our Best Blade to Cut Composite Decking review? Please comment and don’t forget to check Best Saw Blade for Laminate Flooring Review!

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