parquet adhesives

7/27/2019 Parquet Adhesives

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10/15/2009

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Soudal Parquet Adhesives

Eric van Spreuwel


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Parquet

What is parquet?

The word literally means "wooden floor"

Parquet is a collective for many different kinds of wooden floors.Some examples are; traditional parquet (tapis or bourgogne), mosaic,

planks, woodblock, stab parquet.


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General

Growth rings going across thethickness of the plank

no distortion of the wood

mechanical fixing (nails) isdifficult

TangentialRadial

Growth rings going across thewidht of the plank

bigger chance to distortion

mechanical fixing is easy

How the radial and tangential directions of the tissue are arranged in a piece

of wood has a dramatic effect on its response to shrinkage

and expansions.


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General

To be considered is the most important characteristic of all: after

wood has been dried and converted into useable parts from thetree, it changes size according to the amount of moisture in the air.

Wood is a hygroscopic material which means that wood will adaptto the circumstances in the environment. If the surrounding aircontains more moisture than the wood, it will take up moisture untilthe moisture content of air and wood are the same. This moistureexchange is reversible. If wood contains more moisture than thesurrounding air, it will give off moisture until the moisture

equilibrium of air and wood is reached. The net result is shrinkageof the wood.


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General


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General

Quite often moisture from the subfloor is not the cause of allproblems but the Relative Humidity is (R.H.)

Relative humidity is a measure of the amount of water in the aircompared with the amount of water the air can hold at a certaintemperature and air pressure. If it rains the R.H. will increase.When it freezes the R.H. will decrease. This means that the R.H.changes by season or even by day. The R.H. can be checked bymeans of a hygrometer.

Parquet is dried to approx. 9%-11%, which is a typical moisturecontent of wood in equilibrium with indoor air humidity(50%-65%). According to table 1 the moisture content of wood,at a R.H. of 55%-65% and a temperature of 20C, is 9%-11%.


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General

Table 1; Average moisture content related to temperature and R.H.

20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85%10C 4,7 5,5 6,3 7,1 7,9 8,7 9,4 10,2 11,1 12,1 13,3 14,7 16,2 18,320C 4,6 5,4 6,2 7,0 7,7 8,5 9,2 10,0 10,8 11,8 13,0 14,4 16,0 18,030C 4,3 5,2 5,9 6,7 7,5 8,3 9,0 9,7 10,6 11,5 12,7 14,0 15,6 17,540C 4,0 4,8 5,6 6,3 7,1 7,5 8,5 9,3 10,2 11,0 12,1 13,1 15,0 16,9

At a low R.H. wood will give off moisture until the moisture equilibriumof air and wood is reached. The net result is shrinkage of the parquet.At a high R.H. wood will take up moisture until the moisture content ofair and wood are the same. The wood will expand in its width and

thickness but not in its length.

The degree in which wood expands is depending on several aspects.Beside width and thickness it also depends on the kind of wood.


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General

In the following table can be seen that when the R.H. variatesbetween 55 and 65%, the warping (expansion/shrinking) of oak is0,47%. In other words, at variations between 55-65%, the

difference will be 47 mm. at 1 meter (in width).Variations between 55-65% is ideal and not realistic. More realisticare variations between 50-70%. In that case the warping of oak is0,99% or 1 cm per meter. In a room of 4 meter wide the expansion

or shrinking will be 4 cm. With all its consequences

Average expansion of 20 mm oak parquet related to R.H.

Wood warping warping warping warpingRV55-65 RV50-70 RV40-80

Oak 0,26% 0,47% 0,99% 2,16%

This is only for oak. There are kinds of wood, such as beech, that are more sensitive to moistureand will shrink or expand more


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General

Mainly oak (approx. 90%)

Big share for solid wood

More often direct bonding to the concrete subfloor

Big share for 2KPU

Technical sale, continuous technical support needed


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Parquet types

Herringbone

Mosaic

small size; can expand in everydirection

hardly moisture sensitive

very stable (expands hardly or not)


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Parquet types


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Parquet types

Block flooring: 6mm or 9mm

Brick Pattern Half Bond

Herringbone (eg. single,double, square, diagonal etc.)

Diagonal Basket

Square Basket

block floors with a two blockborder

Placed on a woodensubfloor (chipboard, particle

size chipboard etc.)

Combination of bondingand mechanical fixing

Waterborn adhesive will do


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Parquet types

Shrink and expansion of timbercauses very large forces onsubfloor and adhesion

Planks

To be bonded only with PU orMS based adhesives

Not stable, warping because of wood dimensions and humidity

(Extreme) shrinkage or expansion is to be expected

Warping such as cupping or springing may occur because ofthe fact that dimensional changes are not equal in all directions


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Parquet Types: Wood types

Maple & Cherry: very sensitive

to humidity!

Beech: extremely moisturesensitive; large deformations

Tropical wood types: often high

oil content and sensitive to water

ex:Afzelia: stains in combinationwith water

ex Weng: very difficult to bond

with adhesive

Oak:

Durable, easy to installand to bond to thesubfloor

Not very expensive

Large marketshare(approx. 90%)

For smaller format oakflooring, Dispersion orAlcohol based adhesivecan be used

Always use MS or 2K- PUadhesive. MS is highlyelastic, accommodates very

nervous wood

Normal wood Nervous/Moisture sensitivewood


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Multilayer Parquet

multilayer parquet, parquet panelscomposed of two or more layers of wood (orwood-based material), with a top layer ofhardwood


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Subfloors: Humidity

Moisture = 95% of all problems in installing wood flooring!

Subfloor with ventilated cellar

Must be well ventilated

No traces of condensation

Subfloor without ventilated cellar

Must be protected from risinghumidity by PE Vapour Foil

Subfloor has to be perfectly dry

- Max 2% residual humidity in screed- Max 0,5% in anhydrite/calciumsulfate

based subfloors

Humidity must be measured before installing parquet !


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Subfloor types: Screed (sand-cement)

Mixture screed (sand-cement)

Very common subfloor in W-Europe: 80% of cases

Maximum residual humidity: 2% Typical Problems

Quality varies a lot, very dependent on local suppliers

Always test the strength of the subfloor by hitting it with a

hammer and scratching it with a sharp object. If the subfloorstays intact it is sufficiently strong.

Powdery: too much sand: Prime with Soudal WBPR-21P

deep sealer

Burned: (less common) too much cement: prime withWBPR-21P deep sealer

Traces of adhesives, sealant or paint: remove and primewith WBPR-11P surface primer


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Subfloor types: Ceramic Tiles

Tiles have to be placed on a solid subfloor (preferably with

vapour foil)

Tiles placed directly on sand may absorb humidity from

the soil Not porous, therefore water and solvent containing

adhesives are not advised

Tiles must be sanded and cleaned very good beforeapplying the adhesive

MS-30P gives a very good adhesion on ceramic tiles,even without primer


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Subfloor types: Anhydrite

Calciumsulfate (CaSO4) is verymoisture sensitive!

Often applied in new houses or in

the industry

Rising in popularity (cheap)

Non-porous

Calciumsulfate forms a skin at thesurface, therefore very poor adhesion.Remove the toplayer by sandingbefore applying the primer andbonding the parquet

Usually very plane (self-levelling)

Maximum residual humidity: 0,5%

MS-30P can be applied without primer (Tested onsite with large format planks!)


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Subfloor types: Underfloor

Mosaic, OSB or chipboard

spreads shear and tensileforces

always the best technicalsolution

preferably in combinationwith nailed parquet

preferably with artificially aged parquet


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Parquet range

Self Leveling Compound

Primers

Alcohol parquet adhesive

Dispersion parquet adhesive

2K PU parquet adhesive

MS Polymer parquet adhesives Sealants

Notched trowels


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Self leveling compound: Soudal VE-50

nvermeidnvermeidnvermeidnvermeid

Cement based (25 kg)leveling compound

Fibre re-inforced

Ready for traffic afterapprox. 1 hour

Suitable for parquetbonding after 12 hrs

Suitable for all subfloors From 1-15mm layer

thickness (min 2 mm forparquet)

Very low emission: EC-1according to GEV


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Primers

WBPR-11P Surface Primer

Water based dispersion Primer

For DS-10P, SV-15P and PU-20P on

porous mineral surfaces (Usually notneeded for MS-30P unless theconcrete subfloor is extremely porous)

WBPR-21P Deep sealer If subfloor is not sufficiently

stable (sandy or powdery),wood will tear pieces out of

the subfloor Low viscosity deep sealer

which penetrates deeply intothe surfaces to improve theircohesion.


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Primers

Epoxy Sealer EPR-31P

2 component epoxy based sealer

Suppresses residual constructionmoisture and rising damp

Solvent-free and free of water

EC-1 label: very low emissions

Very easy to apply

For critical subfloors

Waterproof and chemical resistant

High bending-, shear-, compression-and tensile strength

Improves the adhesion strengthSuitable for underfloor heating

For indoor and outdoor use


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SV-15P Alcohol Parquet Adhesive

Art. 112923

Tin 13kg

Traditional solvent basedadhesive

Solvent needs to evaporate,subfloor should be porous


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Dispersion Adhesive

Only on porous substrates

Less suitable for direct adhesion

on concrete. Contains water

Best in combination with nails

Only for smaller parquet sizes

Not for tropical wood and beech.(water!)

not for water sensitive substrates

Economic

Easy to work with

cleaning with water

no solvents

1K system

long open time

+ -


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DS-10P Dispersion Adhesive

Item code. 112924

Packaging: PE bucket 15kg

Colour: light and dark brown

>75% solid content

easy to work with

Very good form stability stable adhesive peaks


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2K PU adhesive

Causes staining on thehands.

Needs to be mixed, notready to use.

Limited open time becauseof chemical reaction.

Very high end strength.

For porous and non porous

substrates. Also for difficult, tropical

wood types.

Also for large parquet sizes.

Suitable for direct adhesionon concrete.

+ -


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PU-20P 2K PU adhesive

Item code 113065

PE pot + tin

6kg (4,9kg+1,1kg) does not contain epoxy (no

allergic reactions)


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MS Polymer Adhesive

Slightly more expensive(per kg)

All wood types, all substrates,also large board sizes and water

sensitive wood types. Increased moisture resistance.

Elasticity. Better distribution offorces on concrete floor.

1K system, user friendly.

No (black) deposit on the hands.

+ -


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Soudal MS-30P

Item 112921 (light brown),113072 (dark brown)

Packaging: 16kg Colour: light brown/dark

brown

0% water; 0% solvent

PE bucket: cured adhesivecan easily be removed frombucket.

Emicode EC-1 label: very

low emissions suitable for floors with floor

heating


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MS-30P: Competition

PU flooring adhesive

Poor form stabilityLower beads may lead to lesscontact surface if the surface is

slightly uneven

Bubble formation


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Competition: form stability

L34 2KPU adhesive

Low viscosity, easy to spread out,

Poor form stability


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Soudal MS-30P

SOUDAL MS-30P Parquet adhesive

Good form stability.High razor sharp beads for maximumwood-subfloor contact surface

No bubbleformation

MS-30P


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Soudal MS-30P vs 1K PU adhesives

Easier to work with.

No bubble formation, no glue outof the joints.

Universal adhesion on allsubstrates.

Exceptional adhesion on smoothsurfaces.

Environmental friendly: no dangerlabeling.

No isocyanates

Does not stain hands

Prepolymerised, stiffer and difficult to

spread out. Polyurethane curing reaction causes

bubble formation (CO2).

Porous substrates need a primermuch quicker.

Danger labeling: contains isocyanate. Chemical reaction causes black stains

on hands.

SIKA T52 (noise reduction),T54(solvent free), T55 (low solventcontent), Mapei P990, BostikUltraset

MS-30P


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Soudal MS-30P vs 2K PU adhesives

Ready to use 1-component system.Unlimited pot-life, bucket can be

closed & used again.

Exceptional adhesion on smoothsurfaces.

Environmental friendly: no dangerlabeling, no isocyanates (EC-1

approval)Does not stain hands.High elastic adhesive film for optimal

distribution of forces.

2 component system, needs mixing. Bucket needs to be used within 30-60

min.

Porous substrates have to beprimered

Danger labeling: contains isocyanate. Chemical reaction causes black stains

on hands. Harder adhesive film, more sensitive

to break and pulling loose fromconcrete floor.

Thomsit P625; Uzin MK73;Basin PU6000; SLC L34;Mapei Lignobond 2K

MS-30P

VS.


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Ancillaries :

PRO 30D ParquetSeam Adhesive

fast curing Water resistant D3

(DIN EN 204)

Semi-transparent

curing

Parquet Seal-12Pparquet sealant

Elastic 6 wood colours for

perfect results


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Soudal notched trowels

Large (N11) for larger parquetsizes > 30x6cm (High beads toovercome irregularities in the

subfloor) Item 112945

Small (N3) for small sizesparquet types < 30x6cm

(Numerous small beads createhigh tack effect)

Item 112946


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Competition :Thomsit (Henkel)

P600: Alcohol adhesive P618 Dispersion adhesive

P625 2K-PU adhesive

P630 1K-PU-adhesive

P640 Laminate adhesive P660 Sound reducing adhesive: 2K PU

PV10


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Competition : SLC-Rinaldi

Very large and complex product range

Silovil L34:

2K PU

Form stability of adhesive beads very low

Water based adhesives

Silovil Forte

Silovil U 68L

Silovil U 68 M

Silovil U 68

Silovil Flex

Silovil Parkett S1

Silovil B3:


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Competition : SIKA PU adhesives

Sikabond T52: sound reducing adhesive (-14dB) for bonding inbeads in combination with special carpet

Much smaller adhesion surface, leading to reduced bond strength

Sound reducing carpets are very expensive Sikabond T54: sound reducing adhesive for full surface bonding

Sikabond T54: 1K PU solvent free

Sikabond T55: 1K PU contains solvents


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Lignobond 2K

5kg and 10kg

Very tough, high viscosity adhesive Ultrabond P990

1K PU

drum with aluminium inliner

Competition :Mapei


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Competition :Uzin (D)

MK-55: powder adhesive

MK-73: solvent based synthetic resin adhesive: for

small or thin section flooring MK-80 S:Dispersion Parquet Adhesive Extra

MK 92 S: 2-component PU Parquet Adhesive

MK 97: 1 component PU. Sold in 310ml cartridge!

MK 100: Hybrid adhesive (not very homogeneous paste!)

PE 420 epoxy subfloor

NC 174 levelling compound


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Competition : Basin

Basicoll B-300: for parquet

Basicoll 270: dispersion

Basicoll PW-30: alcohol adhesive

Basicoll PU 600:

2K PU

very tough, harder to spread as PU-20P Component B: contains epoxy: causes allergic reaction

Tin is not wide enough for notched throwel


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New : SMX 30P Flooring Adhesivefaster strength build-up

higher end strength

shorter open time


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Please always consult ourTechnical Data Sheets or

Technical Service beforeusing the products

parquet adhesives

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