A high build, water based exterior timber finish. Intergrain Heavy Duty (previously known as Intergrain DWD) is exceptionally durable, long lasting and hard wearing designed to protect timber with a tough, UV, water and mould resistant finish for harsh weather conditions.
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Coverage: 10m2/L
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Recoat: 4hrs
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Full cure: 7 days
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Clean up: Water
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Sheen: Satin
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Sizes: 1L, 4L, 10L
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Standard
Teak
Jarrah
Merbau
Ebony
*all colours displayed on this page show 2 coats on merbau timber
Colour Visualiserclick button to view colour on different timber types
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Areas
Decking, Fences,Exterior timber,Timber Furniture
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Substrates
Jarrah, Merbau, Spotted Gum
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Locations
Exterior
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The instructions below offer general preparation guidelines. For larger projects, commercial jobs or for more specific information please contact our Help & Advice team on 1800 630 285.
Maintenance coat of Intergrain Heavy Duty:
If your existing Intergrain Heavy Duty coating is in good condition, clean the surface with Intergrain UltraPrep™ Timber Cleaner.
New timber:
Treat timber with Intergrain UltraPrep Tannin & Oil Remover. Then clean with UltraPrep Timber Cleaner.
Grey and weathered with no previous coating:
Clean with UltraPrep Timber Cleaner. For severely weathered timber, sand back to a fresh surface, remove all sanding dust, then clean with
UltraPrep Timber Cleaner
Existing coating in poor condition:
Remove coating by using a combination of Intergrain UltraPrep Tannin & Oil Remover and power washing. Then clean with UltraPrep Timber Cleaner.
Paints, varnishes or coatings in varied condition:
Paints, varnishes or coatings that have deteriorated unevenly, remove all existing coating by using a coatings stripper or sanding back to bare timber. Then clean with UltraPrep Timber Cleaner.
Important: If mould is present or if timber is in a mould prone area, use Intergrain UltraPrep Mould Killer to remove surface mould effectively as the first step of preparing the timber for coating
Important: All timber is required to be free from dust, mould and site contaminants prior to coating. Follow all relevant product label instructions when using Intergrain products. Keep freshly coated contacting surfaces such as doors and windows ajar for several days to prevent sticking.
Do not apply to hot surfaces or those in direct sunlight, as doing so will result in difficult application, poor adhesion and blistering.
Do not apply in temperatures above 35°C or below 10°C or if rain or dew is expected within four hours of application. Lightly dampening timber before painting will ease application in temperatures above 28°C.
Maintenance
Conduct a routine 12 monthly maintenance inspection. Colour fade is the first sign of need to recoat.
To prevent water ingress and peeling, ensure Intergrain Heavy Duty is recoated before deterioration of the coating and timber underneath occurs.
Intergrain Heavy Duty is a hard wearing and long lasting timber finish when label instructions are followed carefully. Failure to comply to label instructions and minimum coat requirements will compromise adhesion and life of the coating.
Stage 1: Prep
Prepare surface per label instructions.
Stage 2: Coat
Apply 3 coats of Intergrain Heavy Duty.
Stage 3: Maintain
Before deterioration of coating and timber underneath occurs.
