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FAQ Details
Last Updated
13th o May, 2008
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Providing the floor has been fine sanded with a 200-mesh (or finer) screen back before the final coat, the finish should exhibit no sanding marks or swirls in natural light. However with the growing popularity of down lights in modern homes, there is an increased volume of complaints about swirl marks in the finish. This has prompted a ruling from HIA, (Housing Industry Association) which is as follows;
“If swirls are visible in natural light then there is a fault in the floor, if the swirls are not visible in natural light but visible under down lights there is not a fault.”
Our suggestions to alleviate the problem of swirl marks are;
- Prior to applying the final coat, fine sand with 220-grit paper, then finish with ‘Blue Magic pad’ or Maroon pad
- Use the high build/high solids polyurethane, MONOPTHANE HS 50 GLOSS
- Use low sheen polyurethane such as MONOTHANE SEMI GLOSS or MONOTHANE SATIN.
N.B. A down light throws a circular effect on the floor and may create an image that is not present, i.e. an effect created by the light only (this effect is common on many smooth glossy surfaces – e.g. the sun shining on a car bonnet often looks as though a circular pattern is radiating from the centre of the spot the sun reflects on the bonnet).
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