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Perfection Undercoat
Finishes & Undercoats
High Performance Undercoat

Perfection Undercoat is the ideal base for a long lasting scheme, when used with Perfection finish. The 2-component formulation has excellent obliteration.
* Long overcoating times to allow coat-on-coat application
* Easy application
Rubs down to an exceptionally smooth finish and the semi-gloss finish allows easy checking for hull fairness.

Colour YRA003-White 001, YRA302-Blue 302, YRA603-Dark Grey 603
Finish Semi-gloss
Specific Gravity 1.39
Volume Solids 50% 
Mix Ratio 3:1 by volume , Converter/Curing Agent - YGA006
Typical Shelf Life 2 yrs
VOC (As Supplied) 488 g/lt
Unit Size 750 ml



5C 15C 23C 35C


Touch Dry [ISO] 11hrs 7hrs 3hrs 2hrs
Sandable 48hrs 30hrs 16hrs 12hrs
Pot Life 5hrs 3hrs 2hrs 1hrs

  Substrate Temperature
  5C 15C 23C 35C
Overcoated By Min Max Min Max Min Max Min Max


Perfection  32hrs  4days  16hrs  3days  10hrs  2days  8hrs  1days
Perfection (Eu)  32hrs  4days  16hrs  3days  10hrs  2days  8hrs  1days
Perfection Undercoat  32hrs  4days  16hrs  3days  10hrs  2days  8hrs  1days

In Good Condition: Wash down with Yacht Line Super Cleaner, rinse with fresh water and allow to dry. Abrade with 280-320 grade (grit) paper.
In Poor Condition: Remove all previous coatings and prime the substrate.
PRIMING: All preparation for bare substrates is covered on the appropriate primer datasheet.
BARE WOOD: Prime with UCP.
STEEL: Prime with Interprotect.
ALUMINIUM: Pre-prime using Etch Primer. Prime with Interprotect.
GRP: Wash down with Yacht Line Super Cleaner, rinse with fresh water and allow to dry. Abrade with 180-220 grade paper.
ALL SUBSTRATES: If any filling is required use the appropriate product from the Interfill range.


Method If maximum overcoating time of previous coating/primer is exceeded, abrade using 180-220 grade paper. Remove dust with a dust wipe. Apply 1-2 coats.


Hints Mixing Stir contents of each part prior to mixing. Add Curing Agent to the Base, stir and leave for 10 minutes to allow bubbles to disperse.
Thinner YTA006 Thinners No.9
Cleaner YTA006 Thinners No.9
Ventilation and Humidity Control Apply in dry, well ventilated conditions. Avoid excessively humid conditions, over 80% relative humidity.
Other Best applied at 15C. To give extra depth of colour, Perfection finish colours may be added to Perfection Undercoat. Both products should be mixed with respective curing agent first.


Some Important Points Do not use unless mixed thoroughly with the curing agent at specified ratio. Product temperature should be minimum 5C/40F and maximum 35C/95F. Ambient temperature should be minimum 5C/40F and maximum 35C/95F. Substrate temperature should be minimum 5C/40F and maximum 35C/95F.


Compatibility/Substrates Will crack on carvel and clinker/lapstrake hulls. Perfection Undercoat should be applied over cured epoxy primers or fillers or onto cured GRP/Composite. It should not be used over any one pack products.


Number of Coats 1-2


Coverage (Theoretical) - 12.00 (m/lt)


Recommended DFT 38 microns dry by brush
Recommended WFT 75 microns wet by brush


Application Methods Brush, Roller , DO NOT SPRAY

Exposure to air and extremes of temperature should be avoided. For the full shelf life of Perfection Undercoat to be realised ensure that between use the container is firmly closed and the temperature is between 5C/40F and 35C/95F. Keep out of direct sunlight.
Perfection Undercoat should be kept in securely closed containers during transport and storage.

Safety GENERAL: Contains isocyanates which may be harmful to the respiratory tract. Read the label safety section for Health and Safety Information, also available from our Technical Help Line.
DISPOSAL: Do not discard tins or pour paint into water courses, use the facilities provided. It is best to allow paints to harden before disposal.
Remainders of Perfection Undercoat cannot be disposed of through the municipal waste route or dumped without permit. Disposal of remainders must be arranged for in consultation with the authorities.

IMPORTANT NOTES The information given in this sheet is not intended to be exhaustive. Any person using the product without first making further written enquiries as to the suitability of the product for the intended purpose does so at their own risk and we can accept no responsibility for the performance of the product or for any loss or damage (other than death or personal or injury resulting from negligence) arising out of such use. The information contained in this sheet is liable to modification from time to time in the light of experience and our policy of continuous product development.

and International are registered trademarks of Akzo Nobel.

Issue Date:

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