Thread: Suggestions please. To primer coat or not to primer coat?

Hi all,

Not sure what to do with the 30 x 190 pine fascia cuts in this project following these usage instructions.

1) The instructions state to immediately cover cuts with 2 coats of oil based primer.

...... Then the instructions state to NOT cover laps.

Wonder what I should do in this instance?

2) Do I really really need oil based primer?

3) Also, should the two top coats be oil based as well?
Or can I get away with water based house paints?

(as oil based makes me ill)

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The longest length is 1.5m reduced by 150mm on each of the 7 levels.

Any help would be greatly appreciated.

Thanks in advance.


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Guidelines for Handling & Painting LOSP H3 Products
'This product is not waterproof'

Delivery to site should be just in time either by hiab crane or hand unload. Do not use a tip truck.

This product must be stored in a dry well ventilated area prior to installation and finishing to avoid the possibility of raised grain end other moisture related problems. At all limes it must be protected against damages whilst storing and manipulating.

Seal all cut ends and edges with 2 coals of oil based primer Immediately after culling and before Installation.

Install as per the local building codes and recognized good practice.


Do not use any sealants or glues between the board laps as this may inhibit the naturally occurring movement of the cladding, and trap moisture.

Nails should be punched below the surface and filled immediately.

Painting — Refer to Master Painter' a association In your area.
General — Paint as soon as possible alter installation. If exposed for more than 4 weeks, re —priming may be required.

Remove all loose material from the board surface and spot prime nail holes, damaged areas or any bare timber. Once prepared, timber should be dry.

Apply 1 full coat of oil based undercoat/primer followed by 2 full coats of 100% premium low gloss house paint, allowing 18hrs between coats.


Dark colors may cause excessive movement, distortion and possible resin bleed.


Light colors only with a LRV of >45% are recommended (refer paint charts).
Please refer to supplier for further technical information. No liability accepted for any losses incurred resulting from the failure to adhere to good building and painting practices.