3. Glue-down Installation - Technical Training

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When should we prime the subfloor before gluing? *

1 point

If it is a levelling compound and never for anhydrite

If the substrate is porous and always for Anhydrite Screeds

Never, it has no benefit

How much adhesive contact must there be between the adhesive and the back of the board? *

1 point

SR1

At least 50%

At least 85%

Do we need to leave expansion gaps when gluing a floor? *

1 point

No, they are glued so don't need expansion

Only with a patterned floor

Yes, the glue is flexible so the wood is still able to move

The crown row of a herringbone or chevron floor *

1 point

Is an urban myth

Should be installed and left for the adhesive to fully cure before installaing the rest of the floor

Should be installed by only applying adhesive to the middle third of the wood

In order to achieve the necessary bond strength in a glue-down installation, *

1 point

The subfloor must be dry, level and free from contamination

A surface-applied DPM cannot be used

Bond the flooring to a rigid insulation layer, such as PIR, PUR, EPS or XPS

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