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Cetol Filter 7 plus

Cetol Filter 7 plus

A highly durable, medium build, solvent-borne woodstain that provides a highly translucent, satin finish and offers outstanding protection from the damaging effects of sunlight.

Key benefits

  • Highly translucent to bring out the beauty of woodgrain
    5 year maintenance cycle
    Excellent resistance to UV radiation
    Microporous and water-repellent
    Very easy application and maintenance


Cetol Filter 7 plus product datasheet (cetol_filter_7_plus)
Cetol Filter 7 plus safety datasheet (si_gb_en_cetol_filter_7_plus)

Application information

16 m²/litre
Touch dry
3 hours
16 hours

Pack sizes

  • 1, 2.5 and 5 litre cans.

System information

Ensure the timber surface is suitably prepared, clean and dry, with dust, dirt, wax and grease removed, and allowed to acclimatise
to its end-use environment. The moisture content should not exceed 18% prior to coating.
Degrease any exposed bare timber surface by wiping with a cloth dampened in a suitable solvent. Certain timber species contain
high levels of natural wood extractives or exudates and some softwood can be highly resinous. Resinous deposits should be removed
with a scraper. Any remaining residues should be removed using a lint-free cloth dampened with a suitable solvent, frequently changing
the face of the cloth. Allow solvent to evaporate fully before overcoating. The use of both eye and hand protection is strongly advised.
We do not recommend the use of 'knotting agents' with translucent finishes as they are not always fully effective in 'sealing in' resin,
the presence of knots is often highlighted and adhesion of coatings can be impaired.
When filling, be sure to use fillers specifically designed for use with timber. General or all purpose fillers are not suitable, particularly
on external areas, as they cannot cope with timber movement and work loose.
Where a superficial application of preservative to softwood and hardwood is deemed necessary, such as timbers in Durability
Class 3 or lower, use Cuprinol Trade Wood Preserver Clear (BP). For Class 4 (in ground contact) and 5 (marine) use pre-treated wood
specific for these conditions. Preservative pre-treatments must be fully dry before the application of Cetol Filter 7 plus. Do not
use on substrates which have had water-repellent preservative pre-treatments applied. Where possible, the first coat should be
applied all round prior to fixing.
Only use non-ferrous screws, nails and fixings.
Base stained joinery Denib using a fine grade nylon abrasive pad or a fine grade (P240 or finer) wet or dry silicon carbide abrasive paper, in the direction
of the grain. Do not break through the surface coating. Remove all dust.
To ensure optimum durability and uniformity of appearance, we recommend the use of a coat of Cetol HLS plus prior to finishing.
Note: Where there is localised damage, or deterioration has occurred as a result of exposure of the factory coating for longer than 3
months, affected areas should be thoroughly sanded back to a sound substrate.
Damaged or decayed timber All damaged or decayed timber must be removed and replaced, cutting at least 25mm into sound timber. We do not recommend the
use of wood hardeners. When splicing in new sections of timber, consideration should be given to the use of a timber species whose
natural durability is sufficient. Brush apply two coats of Cuprinol Trade Wood Preserver Clear (BP) to saturation. Ensure timbers are
thoroughly treated, especially any end grain sections, and are fully dry before splicing in. Secure with non-ferrous fixings and fill all
voids surrounding the spliced-in area with the Componex WR Primer/Filler system.

Use on exterior softwood and hardwood joinery, windows and doors.