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Adhesives

Adhesives are formulated for specific products and applications; use only Forbo adhesives for the installation of Forbo flooring products. In order to achieve a successful bond and fully warranted system.

Installation - adhesive

Adhesive points to note

Adhesives

It is essential that all substrates, regardless of type, be structurally sound, rigid, smooth, flat, clean, and permanently dry. The substrate surface must be free of all contaminants or foreign materials such as dust, wax, marker paint, grease, oils, solvents, curing and hardening compounds, sealers, and existing adhesives.

Always carefully read and follow the instructions on the adhesive label regarding the use and application of the adhesive, and always review and follow safety and health warnings included on the label and MSDS.

Requirements of a flooring adhesive:

• Good initial grab
• Reasonable open time
• Excellent final bond strength
• Compatibility with subfloor and floor finish
• Ease of application
• Resistance to chemicals and water
• Non-migratory properties
• Low toxicity
• Low fire risk and cost

Note: The speed of drying of an adhesive will be affected by its formulation, the temperature of the air and the subfloor, the quantity applied and the porosity of the subfloor. The floor installer must be alert to factors which will affect the average open time stated by the adhesive manufacturer.

TOOLS

The trowel is quite a sophisticated metering instrument, the notch spacing and depth controlling the amount of adhesive applied. If you don’t maintain the instrument, you will get an incorrect application and a risk of floor failure.
TROWEL NOTCHING
Adhesive manufacturers always recommend the trowel notchings to be used to give the right spread of their adhesive. Spreading on concrete or cement subfloors will cause trowels to wear down causing too little adhesive to be spread, with the risk of an expensive floor failure. Not only will too little adhesive be applied it will skin over more rapidly making it more likely that the problem will be compounded by late placement.
e.g for Forbo Fix 414 use 2mm depth at 6mm centres, V notch trowel.

Note: If the ridges are not the right size, there may be insufficient fresh adhesive to grip the floorcovering. During the spreading movement, the trowel must be kept at the correct 60° angle. If too flat the adhesive ridges will be too low.

Linoleum Installation

Linoleum Adhesives

Adhesives for Marmoleum

An adhesive for jute backed linoleum must be firm when cured and prevent the material from stretching in the width, as a more elastic the adhesive will permit it to do, and must immediately grab the linoleum and hold it down to the floor.

Forbo Recommends 414 Forbo Fix adhesive for Marmoleum sheet (excludes ohmex) Or Forbo Fix 614 for Greenstar Projects.


Product advantages:
• Non-flammable
• Easy and safe to apply
• High initial adhesion strength
• Favourable spreading capacity
• Roller-castor-chair resistant

Storage: Store cool and free from frost.
Tools: Use a 6mm x 2mm V notched trowel
Open time: 15-20 minutes.*
Latency:None.
Drying time24 hours.*
Shelf Life12 months, in unopened packaging.



* The mentioned values have been established in our laboratory and must be considered as guidelines in view of possible variations in climatic circumstances, subfloor compositions and layer thickness.

414 Euroflex Lino Plus

Downloads:

  • 414 Forbo Fix |  Technical Specifications

    414 adhesive - Technical specification

  • 414 Forbo Fix |  MSDS

    414 Forbo Fix - MSDS

  • 615 Eurostar Lino EL |  Technical Specifications

    615 Eurostar Lino EL Technical Specifications

  • 615 Eurostar Lino EL |  MSDS

    615 Eurostar Lino EL MSDS

Marmoleum Ohmex

For this static-dissipative linoleum the recommended adhesive is 615 Eurostar Lino EL.

Product advantages:
• Very low emission
• Emicode EC 1 plus
• Non-flammable
• Easy and safe to apply
• High initial adhesion strength
• Favourable spreading capacity
• Roller-castor-chair resistant
• Electrical resistance < 3.105 Ohm (EN 13 415)

Storage: Store in cool area.
Tools: Use a 6 mm x 2mm V notched trowel
Open time: 10-20 minutes.*
Latency:None.
Consumtion: 260 - 300 g/m²
Drying time24 hours.*
Shelf Life12 months, in unopened packaging.



* The mentioned values have been established in our laboratory and must be considered as guidelines in view of possible variations in climatic circumstances, subfloor compositions and layer thickness.

615_Eurostar_lino_plus_EL_25kg_bucket

Vinyl & Carpet tiles adhesives

Adhesive for vinyl

Sheet vinyl floorcoverings require adhesives with good resistance to plasticiser migration and high temperature and a strong bond. The two main types are rubber resin emulsions (also known as SBR adhesives) and acrylic emulsions.

Forbo recommends Forbo 540 Eurosafe Special
Floor covering adhesive with a high initial grab.

Application for installing:
Surestep, Safestep
Eternal
Sarlon
Allura LVT
Colorex tiles where special static-conductive properties are not required.

Storage:Store in a cool area
Tools: V1 Notch trowel 1.6mm
Open time: 60 minutes.*
Latency:10 - 20 minutes.*
Drying time: 48 hours.*
Shelf Life12 months, in unopened packaging.



* The mentioned values have been established in our laboratory and must be considered as guidelines in view of possible variations in climatic circumstances, subfloor compositions and layer thickness.

540

PS1 Tile Fix (pressure sensitive adhesive)

Solvent-free commercial pressure sensitive adhesive with low VOC. Suitable for Forbo branded carpet tiles tessera® and westbond®, flocked flooring flotex® tiles and modular vinyl tiles, Allura flex design.

• Very low VOC-emission
• Solvent-free
• Green Star compliant
• Easy removal

Storage:Store in a cool area
Tools: V1 Notch trowel 1.6mm
Waiting time: 30 to 60 minutes. Once the material set-off (becomes transparent)*
Spread rate: V1 notch trowel: Approx. 5m² per litre
Shelf Life12 months, in unopened packaging.


PS1
  • 540 Eurosafe Special |  Technical Specifications

    540 Eurosafe special - Tecchncial specification

  • 540 Eurosafe Special |  MSDS

    540 Eurosafe Special MSDS

  • 540 Eurosafe Special - VOC Report

    540 Eurosafe Special - VOC Report

Adhesive fault diagnosis

Adhesive fault diagnosis

Treat this information as a generalisation only, due to variations in types of subfloors and adhesives.

Appearance on subfloorAppearance on flooringCause
Clearly defined ridgesNo or slight transferLack of rolling
Clearly defined ridgesShadowing on surface Late placing
‘Pooling’, smeared and crinkled, 'cratered'Smeared and crinkled, especially at seams and edgesUneven subfloor
Flat ridgesNo transfersWrong adhesive
Wet, sludgy, smellyStaining badlyWet/damp screed
Adhesive soaked inGranules of screed adheringDusty weak screed
Powdering of adhesive and wet patches, possibly smellyPale coloured, powder on tile edges and blackalkali atack
Asphalt, subfloorGood Key Contaminated subfloor
Spares and low ridgesNot sticking, little transferWrong trowel used
Heavy application 'Skinned'Indentation, little transferOver application of adhesive, early placing
No adhesiveCurl at the perimeter, no transferAdhesive stops short of walls
Clearly defined adhesive ridges (when present)perimeter tiles only. Loose, curled and hollow soundingLate placing