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Frequently Asked Questions

Composite Decking - FAQ's

Please Chose which FAQ's to read from the options below:


Twinson FAQ's

Q. Am I allowed to clean Twinson with a high-pressure cleaner?
Absolutely no problem. Please consult our Twinson cleaning instructions on this website.

Q. Can Twinson be nailed, sawn or milled?
Most common woodworking techniques can be applied to Twinson materials. nailing however is impossible due to the hardness of the material, please compare with tropical hardwood.

Q. What is the minimum space between two supports beams?
We recommend maximum 50cm between two supports beams. Our profile P 9552 in Twinson has been developed for this application.

Q. Can we bend Twinson profiles?
Not all Twinson profiles can be bent in all directions. Twinson is a very rigid material.

Twinson profiles P 9553/9558/9580 and P 9581 can be bent but with a limited radius that depends on the direction of the bending.

For the plinth P 9556, 55cm is the minimum radius of bending without using heating systems. Note that heating systems can affect the brushing aspect.

P 9555 decking profile cannot be bent.

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Q. What is the real colour fading of Twinson profiles?
Due to the wood particles, Twinson profiles will have a color evolution in time, but will never get grey as is the case for wood.

Q. What is the Twinson durability classification?
Class 1. Test method WI 00249596 annex D.

Q. What are the tolerances on profile lengths?
-0 +2mm/lm

Q. What are the differences between P 9544 and P 9554 decking brackets?

P 9544: stainless steel DIN A2 / AISI 304; for standard applications (garden, inside, etc…)

P 9554: stainless steel DIN A4 / AISI 316; marine grade, for applications such as (swimming pool, seaside, etc…)

Q. What is the speed of installing Twinson compared to other products? Wood, fiber-cement, etc ?
Twinson is quicker if you just have to screw the bracket, compared to a wooden plank that you need to drill twice (2 screws) then fix the screws. Estimated gain of 30%

Q. How do you finish the decking if it hangs over a pond?
You can use the plinth P 9556. Take into account that P 9552 cannot be used as a structure to support a decking over a pond. It should be built on top of an adapted structure supporting the P 9552 all along.

Q. What kind of glue can be used to fix Twinson?
Illbruck two component Polyurethane resins have been tested by our lab. Website: www.illbruck.de

Glue cartridge ref.: 2K PUR P520.
Glue hand gun ref.: Hand gun for tandem cartridge P 520.  

When glue is applied on a non-brushed side of a Twinson profile, we recommend:
1) To rub the surface with sandpaper.
2) To wipe the rubbed surface with a slightly humid sponge.

This will optimize the adhesion of the glue on the profile. If necessary, the same can be done for the support on which the profile will be glued.

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Q. How can angles be solved that are less or more than 90°?
Rigidity of Twinson material does not give us the possibility to extrude folding angles. The solution is to combine profiles according to the situation. Like the plinth P 9552, or by cutting from existing profiles.

Q. Decking: What kind of screws should we use with the starter profile?
Very flat headed screw or countersunk screw minimum 3X15mm (size adapted to your support) stainless steel or for external application.

Q. Where are the installation instructions for Twinson?
All instructions are available on the website, but can also be found in the box of brackets for O-Terrace profiles
   
Q. What temperature can the surface get when exposed to the sun?
For similar colors, Twinson decking reaches the same temperature level as wood decking (around 64°).

Q. How can you fix bearer profile to the ground? Do we have special solutions/conditions?
Fixing solutions and installation recommendations are described in the installation sheet for the P 9552. Available on this website.

Q. How can you fix the bottom profile on an existing concrete balcony?
First of all, you need not fix it by means of a screw, please follow the explanation of the P 9552 installation sheet.

Q. Is it possible to install decking without the bottom profiles and fix it for instance with glue?
Theoretically yes, mainly for small balcony for instance (in renovation). But before taking that decision you should take into account the water flow drainage (make it possible), size of the installation and possible constraints.

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EcoDecking COMPOSITE DECKING
FREQUENTLY ASKED QUESTIONS

WHAT IS EcoDecking COMPOSITE DECKING?
EcoDECKING IS A VIRTUALLY MAINTENANCE FREE REPLACEMENT FOR WOOD, CONCRETE OR METAL USED IN THE CONSTRUCTION INDUSTRY. COMPOSITE DECKING LOOKS AND FEELS JUST LIKE WOOD. EcoDECKING IS A PERMANATELY COLOURED PRODUCT THAT WILL NOT SPLINTER, CRUMBLE, ROT OR BE EATEN BY INSECTS.

WHAT CAN I BUILD WITH EcoDecking COMPOSITE DECKING?
EcoDecking IS AN IDEAL PRODUCT FOR DECKS, RAILING, DOCKS, PICNIC TABLES AND WASTE BINS. OUTDOOR PROJECTS THAT REQUIRES REPAIR OR REPLACEMENT IN A FEW YEARS NEED. THE USES ARE LIMITED ONLY BY YOUR IMAGINATION.

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IS EcoDecking REALLY MAINTENANCE AND PAINT FREE?
YES! THE EcoDecking COLOUR IS ALL THE WAY THROUGH THE MATERIAL. BECAUSE EcoDecking SHEDS WATER NATURALLY, IT NEVER NEEDS WATERPROOFING, PAINTING, STAINING AND WILL NEVER ROT, CRACK, DECAY, SPLIT OR SPLINTER. WHEN INSTALLED CORRECTLY THERE WILL BE NO MAINTENANCE OTHER THAN PERIODIC CLEANING.

WHAT COLOURS CAN I CHOOSE FROM?
OUR STANDARD COLOURS ARE GREY, TEAK, WALNUT OR CHOCOLATE.

HOW STRONG IS EcoDecking?
EcoDecking PRODUCED WITH A PROPRIETARY BLEND OF PLASTIC AND CELLULOSE FIBER. THE CELLULOSE FIBER CONTAINED IN EcoDecking DOES NOT ALLOW THE AMOUNT OF WATER ABSORPTION EXPERIENCED BY THE WOOD CONTAINED IN MOST COMPOSITE MATERIALS. EcoDecking HAS MANY SUPERIOR FEATURES THAN MOST OF THE COMPETITORS BRANDS. FOR FURTHER DESIGN CHARACTERISTICS OF EcoDecking, CONSULT OUR ASTM TEST RESULTS.

WHAT WILL OCCUR IF A CHEMICAL OR PETROL IS SPILLED ON EcoDecking?
EcoDecking COMPOSITE DECKING IS PRODUCED WITH A NON-CHEMICAL REACTIVE POLYMER BASE. THIS IS THE SAME PLASTIC USED TO HOLD CHEMICALS FOUND IN YOUR LOCAL GROCERY STORE. ANY CHEMICAL OR PETROL MUST BE REMOVED IMMEDIATELY TO PREVENT THE CELLULOSE FIBER FROM STAINING.

WHEN THE SUN IS BEAMING DOWN ON EcoDecking COMPOSITE DECKING, WILL IT BE TOO HOT TO WALK ON?
EcoDecking IN DIRECT SUNLIGHT, THE DARKER COLOURS WILL BE 20°F HOTTER THAN THE AMBIENT TEMPERATURE. WHITE COMPOSITE DECKING RUNS ABOUT 15°F COOLER THAN AMBIENT TEMPERATURE. BEIGE AND LIGHT GRAY RUN ABOUT 10°F-15°F HOTTER THAN AMBIENT TEMPERATURE. REMEMBER IF EcoDecking IS IN THE SHADE, IT WILL NOT BE ANY HOTTER THAN THE TEMPERATURE OF THE AIR. NOTE: IT IS RECOMMENDED THAT YOU NOT WALK BAREFOOT ON YOUR DECK WHEN TEMPERATURES ARE ABOVE 90° AND YOUR DECK IS EXPOSED TO DIRECT SUNLIGHT.

WILL EcoDecking COLOUR FADE BECAUSE OF EXPOSURE TO THE SUN?
ULTRA-VIOLET INHIBITORS HAVE BEEN ADDED TO EcoDecking TO REDUCE COLOUR FADING DUE TO EXTENSIVE SUN EXPOSURE. A SLIGHT CHANGE IN COLOUR WILL OCCUR BUT WILL RETAIN THIS LIGHTER SHADE THROUGH OUT THE LIFE OF THE PRODUCT. PLEASE NOTE; IT IS RECOMMENDED THAT YOU OBTAIN A SAMPLE AND LEAVE IN DIRECT SUNLIGHT TO CHECK FOR ANY SHADING DIFFERENCES BEFORE BUYING . GREY HAS A HIGHER FADING PERCENTAGE OVER THE OTHER NATURAL WOOD COLOURS.

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DOES EcoDecking BREAK, MELT OR BURN?
UNDER NORMAL CONDITIONS AND USE, COLD OR HOT TEMPERATURES WILL NOT AFFECT EcoDecking COMPOSITE DECKING. EcoDecking WILL SOFTEN AT 180°F WITH A MELTING POINT OF 380°F. NO PRODUCT DISTORTIONS OR DAMAGE WILL OCCUR WITHIN THE SERVICE TEMPERATURE RANGE OF -100°F TO 125°F. ALTHOUGH IT HAS A HIGHER KINDLING POINT THAN WOOD, IT IS SELF EXTINGUISHING WHEN THE FLAME IS REMOVED. COMPOSITE DECKING, LIKE WOOD, WILL BURN WHEN EXPOSED TO A CONTINUOUS COMBUSTION SOURCE. PLEASE BE CAREFUL OF CHARCOAL ASH AND EMBERS, USE A FLAME RETARDANT PAD BELOW YOUR CHARCOAL BARBEQUE.

DOES EcoDecking REALLY LAST FOR EVER?
ALMOST!  EcoDecking USES THE HIGHEST QUALITY PREPROCESSED COMPONENTS WITH THE RIGHT AMOUNT OF UV, ANTIFUNGAL GUARDS AND COLOUR FAST ADDITIVES. EcoDecking IS ENGINEERED TO LAST A LONG TIME, ENGINEERS ESTIMATE IT WILL LAST WELL PAST THE WARRANTY WITH MINIMAL DEGREDATION. EcoDecking OFFERS A 20 YEAR WARRANTY AND WE PROVIDE NATIONWIDE LIABILITY INSURANCE WITH RECALL PROTECTION. YOU CAN ORDER WITH CONFIDENCE KNOWING THAT EcoDecking WILL BE THERE BEFORE, DURING AND AFTER THE SALE. EcoDecking IS TRUE FREEDOM FROM THE HASSLES OF TRADITIONAL WOOD PRODUCTS.

DOES EcoDecking COMPOSITE DECKING COST MORE THAN WOOD?
NO! WHEN YOU CONSIDER THE TIME YOU SPEND SELECTING QUALITY PIECES OF WOOD FOR YOUR PROJECT, FINISHING THE WOOD, PAINTING THE WOOD, PRESSURE WASHING AND PRESERVATIVE TREATMENTS , AND FINALLY FIXING SPLINTERS AND REFINISHING AFTER A FEW YEARS, YOU ARE REALLY SAVING MONEY AND TIME BY PURCHASING EcoDecking COMPOSITE DECKING                                

DOES EcoDecking ADD LONG TERM VALUE TO MY HOME?
IF YOU SHOULD SELL YOUR HOME, EcoDecking COMPOSITE DECKING PROVIDES THE SAME WARRANTY COVERAGE FOR THE NEW OWNERS. YOU WILL NOT HAVE TO SPEND MONEY AND TIME TO CLEAN, SEAL AND REPAIR EcoDecking COMPOSITE DECKING TO MAKE IT READY FOR NEW OWNER. EcoDecking WILL GIVE THE NEW HOME OWNERS MANY YEARS OF MAINTENANCE-FREE BEAUTY. THIS IS TRUE INCREASED VALUE TO THE NEW HOME OWNER.

CAN EcoDecking BE USED TO BUILD A DECK?
EcoDecking IS USED FOR DECK SURFACES, HANDICAPPED ACCESS RAMPS, RAILING, BALUSTERS, BENCHES, GAZEBOS, SWINGS AND MUCH MORE. PREMIUM GRADE COMPOSITE DECKING WILL PRODUCE THE FINEST RESULTS TO ALL YOUR OUTDOOR PROJECTS.

DOES EcoDecking WORK LIKE WOOD?
YOU CAN CUT, NAIL, DRILL, SCREW, TURN AND ROUT EcoDecking WITH STANDARD WOODWORKING TOOLS. THE DENSITY OF EcoDecking IS GREATER THAN WOOD THAT'S WHY WE RECOMMEND CARBIDE TIPPED BLADES AND BITS.

CAN EcoDecking COMPOSITE DECKING BE USED AS STRUCTURAL COMPONENT?
EcoDecking CANNOT BE USED AS A LOAD BEARING REPLACEMENT FOR WOOD. FOLLOW THE FACTORY APPROVED INSTALLATION GUIDELINES AND EcoDecking WILL PRODUCE A FINISHED, LASTING LOOK TO ANY OF YOUR OUTDOOR PROJECTS.

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WHAT FASTENERS CAN BE USED FOR EcoDecking COMPOSITE DECKING? 
EcoDecking HAS ITS OWN PURPOSE MADE FIXINGS WHICH COMES COMPLETE WITH SCREWS.

WHAT JOIST SPACING IS REQIRED WHEN USING EcoDecking FOR DECKS?
EcoDecking IS MORE FLEXIBLE THAN WOOD. EcoDecking HAS SUFFICIENT LIVE LOAD RATING TO SPAN 40CM ON CENTRE FOR JOIST SUPPORT WHEN USING THE 14CM DECK BOARD. DIAGONAL DESIGNS REQUIRE A 30CM ON CENTRE FOR JOIST SPACING.

WILL NAILS AND SCREWS PULL OUT LIKE WOOD?
No EcoDecking COMPOSITE DECKING HOLDS NAILS 90% BETTER THAN WOOD AND HOLDS SCREWS 50% BETTER THAN WOOD. YOU DO NOT HAVE TO WORRY ABOUT EcoDecking WARPING, TWISTING AND WANING LIKE TRADITIONAL WOOD PRODUCTS, ONCE YOU INSTALL THE DECKING, IT WILL NOT MOVE UPWARD PULLING SCREWS AND NAILS FROM THE WOOD SUBSTRUCTURE. WATER AND MILDEW THAT MAY SEEP INTO THE NAIL OR SCREW HOLE WILL NOT DAMAGE THE INSIDE OF EcoDecking LIKE WOOD.

IS EcoDecking SLIPPERY WHEN WET?
EcoDecking SIMULATED WOOD GRAIN SURFACE PROVIDES AN EXCELLENT SURFACE WET OR DRY. THE ADDITION OF CULLULOSE FIBER TO EcoDecking INCREASES THE SURFACE AREA OF CONTACT WHEN WET AND CAN EVEN PROVIDE A NON-SLIP SURFACE FOR LEATHER SOLED SHOES. NAVAL INSTALLATIONS PREFER EcoDecking IN CONTINUAL WATER CONTACT THAN ANY OTHER WOOD COMPOSITE DECKING.

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HOW MUCH WILL EcoDecking COMPOSITE DECKING EXPAND AND CONTRACT?
LINEAR EXPANSION AND CONTRACTION MUST BE CONSIDERED WHEN INSTALLING EcoDecking. AN 20CM LENGTH OF EcoDecking WILL EXPAND UP TO 3MM WITH A 50° TEMPERATURE CHANGE. FOR EXAMPLE IF THE DECK BOARDS WERE INSTALLED AT 50°F AND THE DECK TEMPERATURE RISES TO 100°F THE BOARD WILL GROW 3MM. BE CAREFULL WHEN YOU INSTALL EcoDecking AGAINST IMMOVABLE OBJECTS SUCH AS THE HOUSE OR RAILS. TO CALCULATE EXPANSION AND CONTRACTION USE THE FOLLOWING FORMULA : 0.00007 X LENGTH OF BOARD IN CM X DEGREE (°F) OF TEMPERATURE CHANGE = CM OF EXPANSION OR CONTRACTION IN LENGTH OF THE BOARD.

IS EcoDecking COMPOSITE DECKING IMPERVIOUS TO MOLD?
HAS EcoDecking ANTIFUGAL GUARDS ADDED DURING FORMULATION AND HAS AN ADDITIONAL SURFACE COATING TO PROVIDE SUPERIOR PROTECTION. IT IS IMPORTANT TO FOLLOW THE CARE AND MAINTENANCE GUIDELINES TO ELIMINATE ALL MOLD AND MILDEW PROBLEMS. YOU CAN FIND CARE AND MAINTENACE GUIDELINES AT www.NewTechwood.com.

IS EcoDecking COMPOSITE DECKING AN ENVIRONMENTALLY SOUND PRODUCT?
YES!
FIRST, EcoDecking COMPOSITE DECKING; MADE FROM RECOVERED PLASTICS THAT WOULD NORMALLY END UP IN THE LANDFILL.
SECOND, EcoDecking WILL NOT CONTAMINATE THE SOIL BECAUSE IT IS NON POROUS AND CONTAINS NONE OF THE CHEMICAL HAZARDS ASSOCIATED WITH PRESSURE TREATED AND CRESTED DECKING.
THIRD, EcoDecking ‘S MANUFACTURING PROCESS IS A CLEAN, EXTRUSION PROCESS REQUIRING LESS POWER TO PRODUCE THAN A BOARD FROM WOOD.
FOURTH, THE USE OF EcoDecking COMPOSITE DECKING OVER NATURAL DECKING SAVES TREES AND FORESTS.
FINALLY, EcoDecking COMPOSITE DECKING IS 100% RECYCLABLE.
 

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