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Accoya® Technical Training Manual ANZ

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WHO IS ACCSYS?

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• Accsys Group is a publicly traded company on the stock exchange in London and the Amsterdam Euronext.

• Owns the Intellectual Property for the production of Accoya “the world’s leading high technology wood” and Tricoya panel products.

• Offices in London, Arnhem Hull & Dallas.

• Current capacity 60,000m3 with plans underway to further increase capacity to 80,000m3 during 2021.

• Tricoya technologies is a consortium formed with BP, Medite & DAC to fund and build a Tricoya® plant in Hull, UK.

• The Tricoya plant will acetylate chips for use in Tricoya panels around the globe.

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WHAT IS ACCOYA?

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REGULAR WOOD CHEMICALLY MODIFIED..

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..BY ACETYLATION

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Here

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• Only naturally occurring wood compounds are added to the wood

• Pine contains 2% acetyls. Accoya containers 10x more.

• Result is a non-toxic, fully recyclable wood

• Modifies the wood to its core

• Unlike biocide impregnation

• Can be cut or profiled without exposing

unprotected surfaces

• The acetylation process is irreversible

• No risk of leaching/loss

• Permanent improvement in performance

• Acetylation changes wood at the molecular level

• Durability is achieved by stopping the rot fungi from digesting wood, not by killing them with toxins

POST MODIFICATION

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WHAT ARE THE MAIN ATTRIBUTES?

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THE MOST DURABLE WOOD

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Tests prove Accoya is more durable than genuine Burmese teak

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THE MOST DURABLE WOOD - TERMITES

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Mastotermes darwiniensis is the most destructive species of Australian termite.

Independent testing at the Australian Forest research Company has shown Accoya to be significantly more resistant to attack than hardwood timbers with equivalent durability.

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THE MOST STABLE WOOD

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SUSTAINABILITY

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ENHANCED COATINGS PERFORMANCE

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Accoya Regular wood

9.5 year coatings trial

Due to;

• Stability

• No resin

• No grain lift

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ENHANCED COATINGS PERFORMANCE

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7 year coatings trial

The effect of different wood substrates on the same translucent coating

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TRICOYA - Tricoya uses the same chemistry

successfully used to produce Accoya.

- Tricoya panels have successfully been

sold since 2012.

- End market acceptance is excellent with a

wide range of applications.

50 year warranty

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WHERE IS ACCOYA USED?

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ACCOYA GRADES AND SIZES

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Thickness No more than 1 mm less than the specified size. Width No more than 1 mm less than the specified size. Length No more than 20 mm shorter than nominal length. Moisture Content Less than 10%. Additional Grade Specifications Internal Defects Not Visually Present on Surface: Accoya® wood is produced from a natural resource. All wood has natural variation from tree to tree and board to board. This natural variation results in a product that can have defects naturally present within the wood. Furthermore, the process of cutting trees into lumber and drying of the lumber can induce defects such as shakes, cracks and checks. Accoya® wood is produced from lumber visually inspected on the surface to meet the grade specifications, however upon further processing internal defects can be discovered. Manufacturing Imperfections Lumber may have slight manufacturing related imperfections. Overall Deviation from Specifications Up to 5% of boards off grade shall be deemed acceptable.

General grading specifications

Refer to: Accoya® “Lumber Grading Specifications” for full definition.

ACCOYA GRADES

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Surfaced Front Side Surfaced Backside

GRADE “A1”

Generally 4 sides clear with small allowances for sound

defects

Structurally graded to C22

Perfect for stain grade and paint grade

25 x 10025 x 12525 x 15025 x 200

32 x 12532 x 15032 x 200

38 x 12538 x 15038 x 200

50 x 10050 x 12550 x 15050 x 200

63 x 7563 x 10063 x 12563 x 15063 x 200

75 x 10075 x 12575 x 15075 x 200

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Surfaced Front Side Surfaced Backside

GRADE “A2”Generally 3 sides clear with some sound defects on the

back face

A cost benefit over Grade A1

Structurally graded to C16

Suitable for windows, doors, decking, cladding etc

Perfect for stain grade and paint grade

25 x 10025 x 12525 x 15025 x 200

32 x 12532 x 15032 x 200

38 x 12538 x 15038 x 200

50 x 10050 x 12550 x 15050 x 200

63 x 7563 x 10063 x 12563 x 15063 x 200

75 x 10075 x 12575 x 15075 x 200

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Finger-Jointed, A1Available in 5.4 and 6m lengths

Increased stability – KOMO CertifiedPartly dressed

Fingers do not show through paint

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Batch & Grade Identification

Each board is also marked with the batch and grade number

All packs are labelled with a unique batch identification number enabling traceability. In the event of a claim, the batch number should be reported enabling Accsys to undertake detailed investigations to maintain high quality

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TYPICAL RESIN POCKET & REPAIR W/ FILLER

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Remove dried resin from cavity.

Apply filler as directed.

Sand with 120g sandpaper but don’t over do it!

Fill lines remain hidden after paint due to low movement in Accoya.

Typical “2 Pack” filler

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STORAGE

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• Protect from rain– Wood must be kept dry to maintain a

consistent moisture content

• Ventilation– A good air-flow is essential to prevent

extremes in humidity levels

• Level bearers– To keep timber off the ground and to

prevent sag

STORAGE

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SYSTEM SUPPLIERS

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Collaborative work with ancillary suppliers

• The following companies have informed Accsys Technologies of testing they have undertaken using their products on Accoya® with good results. As such the following is a non-exhaustive list of companies that may be able to supply products for use with Accoya®. Please see the Accoya Wood Information Guide (available at www.accoya.com) for application considerations. Please note that we have not independently verified all such test data produced by the companies listed below and therefore make no representation as to the suitability of a particular company’s product for use with Accoya®, nor do we accept any liability for losses arising from use of any such product.

“SYSTEM SUPPLIERS”

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ADHESIVE SUPPLIERS

Jowat Universal Adhesives Australia Pty LtdBrochures2/12 Kerr Roadn Ingleburn NSW Australia 2565Mark NowickiT: +61 448 999 311WebsiteEmail

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COATING SUPPLIERS Dulux New ZealandBrochuresOrica Chemnet House, Level 4, 123 Carlton Gore Road, NewmarketRob FarmerT: +61 (0)21 242 3041WebsiteEmail

Cabot's Premium Woodcare BrandsBrochures1956 Dandenong Road, Clayton, VIC, 3168Douglas Curr / Justin DavorenT: 61 466 421400WebsiteEmail

Teknos via - Dulux-Cabot's stocking distributionBrochures1956 Dandenong Road, VIC, 3168Douglas Curr / Justin DavorenT: 61 466 421400Email

Resene Coating TechnologiesBrochuresPO Box 38 242 Wellington Mail Centre, 5045John KilbyT: +64 274338453WebsiteEmail

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FIXING & HARDWARE SUPPLIERSQualital68 Technology Dr, VIC, Sunshine West, 3020, Australia(AU) Leonid Suslove & (NZ) Harold WisselinkT: +61 (0)393 15 2715WebsiteEmail

FixingGroup GmbHBrochuresMatthew WoodsT: +43 [0] 664 453 45 72WebsiteEmail

Rothoblaas Australia Pty LtdBrochuresL12, 90 Arthur Street NSW, North Sydney, 2060, AustraliaSilvia PugnaloniT: +61 (0481) 249 196WebsiteEmail

SPAX Pacific LtdUnit 3/34 Hannigan Drive, St John’s, Auckland, 1072, New ZealandDean CannonT: +64 (0)218 009 49WebsiteEmail

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MACHINING

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• Accoya machines easier than regular wood producing a very flat surface and improved profile definition

• Requires no special tools for cross cutting, ripping, planing, routing or drilling

• Acetic acid is minimal and will not corrode machinery if normal shop procedures are followed

• Ensure the chip extraction system is removing shavings to prevent indentations on the planed surface

• During machining a slight “vinegar” odour may be noticed

• As with regular wood, Accoya may distort as inherent stresses are released following deep profiling or cutting.

MACHINING

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Discoloration The acetylation process can result in discolouration and sticker marks up to 6mm in depth, and on occasion due to wood’s natural variation slightly deeper. This is typically overcome in an application such as decking by milling 1mm off the back side and a higher proportion from the appearance side. Removal of discolouration is not typically required when opaque coatings are used.

MACHINING

Further planed5/6mm

Lightly planed 2/3mm

Rough sawn

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ADHESIVES & GLUING

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• Accoya wood can be glued using most commonly used wood adhesive systems

– Polyurethane (PU) (Foaming/low foaming)

– Two-part epoxy

– Phenol resorcinol formaldehyde (PRF)

– Polyvinyl acetate (PVA)– Typically good results, but can be variable

– Use extended clamp time and supported joints

– Emulsion polymer isocyanate (EPI)

– Aliphatic resin

ADHESIVES AND GLUING

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Polyurethane (PU)

– Synthetic plastic-based material.

– Results will improve by the moistening of the materials to be joined.

– Recess-filling capacity through foaming

– Can be difficult to clean up (foaming)

– Creates a strong bond

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

Adhesives

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Epoxy resin– Weather resistant, used for boatbuilding

– 2 component system

– Short pot life

– Hardened glue can be hard and brittle

– Has been used for finger-jointing

ADHESIVES

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

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– Polyvinyl acetate (PVA) D4

– Advanced version of PVA with crosslinking properties, water-based,

– Commonly available in a pre-catalyzed form for ease of use

– More resistant to temperature and water than D2 or D3 PVA glue

– Not suitable for laminating or butt joints. May be suitable for supported joints.

ADHESIVES

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

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– Phenol resorcinol formaldehyde (PRF)

– 100% waterproof, salt resistant

– 2 component system

– The glues are mostly red/brown in colourand will have a distinguishable glue line

– Strong bonding properties

– Commonly used for laminating

ADHESIVES

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

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• Emulsified Polymer Isocyanite (EPI)

– Fairly easy to apply

– Glue stays reasonable flexible after curing

– No recess-filling capability

– 2 part adhesive with a separate catalyst,

short pot life

– Good results with well formed joints

– Recommended for use in finger-jointed or laminated material

ADHESIVES

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

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Aliphatic resin

– "Refined" version of PVA with additional aliphatic resins

– Varieties are typically yellow or brown

– non-toxic, non-flammable

– More resistant to and water than white glue

– Not suitable for laminating or butt joints. May be suitable for supported joints.

ADHESIVES

Refer to: “Accoya® Wood Information Guide” for further details on Accoya gluing properties

The glues depicted on this page are typical products and have not necessarily been

tested on Accoya. We would suggest that you contact your adhesive provider for application suitability.

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CONTACT WITH METALS

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Metal Water

OxygenTemp Acid

Rate increases with:- Increasing temperature- Increasing acid level

CONTACT WITH METALS

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– External fixings» Avoid ferrous metals (coated mild steel)

» Use stainless steel or brass screws, glazing pins, hinges

» Stainless steel to grades, A2, A4, 304, 316

– Internal fittings» No moisture, therefore all metals are suitable

– Perimeter of doors and sashes» Create an isolation barrier by coating behind all

hardware, including inside lock housings to reduce the risk of corrosion

» Impermeable products such as end grain sealer or epoxy resin will be more effective than paint, although that will be better than bare wood.

CONTACT WITH METALS - BEST PRACTICE

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COATINGS

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Achieving the optimum finish

Coatings

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Coatings- Wood Preparation

• Accoya sands well, care must be taken not to be over vigorous as the softer earlywood will erode more so than the denser and harder latewood. This may show up as a “washboard” effect after the product has been coated.

Earlywood (soft)

Latewood (hard)

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• Vulnerable areas:

– Sufficient and a liberal application of adhesive will perform as an end grain sealer in window frame, door and sash joints

– A proprietary end grain sealer should be applied to mitred joints, glazing beads , bolection beads, door stiles, sash linings, window cills

– Ends of transoms and horizontal glazing bars

– To end grain created by mortises or other cut-outs for locks or hardware

As with other wood species, end grain sealer is paramount for long term coating performance and the avoidance of coatings issues.

END GRAIN SEALER

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Factory Finishing is easy yet the rewards are immense!

• Small investment - no need to be “hi-tech”.

• Hundreds of “spray facilities” at the back of barns in the UK look like this..

Coatings

Spray Booth Extractor Gun & PumpBack of shop

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Design;

• Rounded corners

• Water shedding angles

Application;

• Controlled environment

– Humidity 65%, Temperature 18o

– Avoid cold/damp conditions

• Plenty of airflow/air exchange

• Film weight and application methodologies should be in accordance with manufacturers recommendations.

Technical Support;

• As with all wood species, seek

input from the coatings’ provider

to avoid unnecessary issues

COATINGS – DESIGN & APPLICATION

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The choice of coating is important

Opaque paints;

• Accoya should have a stain blocking primer

– The same applies to Sapele, Idigbo, Redwood etc

• Water-based paints perform better than oil based irrelevant of wood species

Translucent stains;

• As with other wood species, a fungicide should be included in the coating system

• Stain finishes with a higher pigmentation and deeper colour offer a greater protection against UV light and will perform better.

• Clear or very light coloured stains should be avoided

COATINGS

Purely for cosmetic reasons; External joinery should not be left bare (uncoated) or include non film-forming coatings (oils) as the wood will discolour and look unsightly

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For centuries, oak has been used as a building material and there are countless old buildings across the UK where interior oak beams have survived hundreds of years.

Although oak has a very good rot resistance, it is notorious for movement and it can be very difficult to maintain that beautiful golden colour over time.

Though Accoya is naturally a lighter colour than oak and has a different grain pattern it can be stained to match the colour of oak such that from any distance it is hard to tell the difference.

Benefits of Accoya over Oak include:

Accoya is that it has significantly better insulation properties than oak.

Accoya will actually last much longer than oak windows and doors.

So if homeowners want long lasting high performance windows and doors that have the appearance of oak without its problems, then Accoya is undoubtedly the best solution.

COATINGS – APPEARANCE OF OAK

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HYBRID PRODUCTS

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HYBRID PRODUCTS• Accoya may be laminated to other wood species

• Example below; oak inside – Accoya outside

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HYBRID PRODUCTS• Oak inside – Accoya outside

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GLAZING

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• The glazing system provides a barrier to arrest water permeation through the window or into the wood

• It is important that recognised designs and techniques are adopted which have been tested for air, wind and water leakage

GLAZING

– BS 8000-7: 1990, “Code of practice for glazing”

– Glass and Glazing Federation recommendations

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TECHNICAL PERFORMANCE

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• Acetylated wood 8% more thermally efficient than typical softwoods

• Acetylated wood is 50% more thermally efficient than typical hardwoods

• Acetylated wood windows have achieved A rated status under the BFRC energy rating system

THERMAL CONDUCTIVITY

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MARKETING SUPPORT

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ACCOYA.COM

• New enhanced website to be launched March 31st 2020– Mobile and tablet friendly

• Specific user journey clearly identified for target audiences.

• Application led marketing approach– Accoya windows and doors– Accoya Cladding– Accoya Decking

• Where to buy page listing joinery manufacturers including website link, email and phone. Trackable and reported back.

• Online and offline campaigns to drive traffic to the website and create leads for joiners.

• Case studies shown and linked to joinery

• Localised literature (PDF’s) to suit audiences to sit on Accoya.com

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HOMEPAGE

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APPLICATION PAGES

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WHERE TO BUY

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EMAIL NEWSLETTERS

• Monthly email newsletter to opted-in database

• Showcase your Accoya projects to a global audience

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CO-BRANDED BROCHURE

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CO-BRANDED BROCHURE

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CO-BRANDED BENEFIT SHEETS –PERSONALISED

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USEFUL CONTACT DETAILS

Laurens NotenboomSales ManagerMobile: +66 818 781 718Email: laurens.notenboom@accsysplc.com

Mike LewisTechnical Sales ManagerMobile: +44 7973 941 084Email: mike.lewis@accsysplc.com

Laura KeilyMarketingMobile: +44 (0)7825 956990E-mail: laura.keily@accsysplc.com

Accsys GroupBrettenham House19 Lancaster Place

LondonWC2E 7EN

+44 (0)20 7421 4300www.accoya.com