Hempel Internal Document
8.2. Junctions: Provide flush surface. 9. Completely stripped surfaces: Prepare as for uncoated surfaces.
456 Previously coated surfaces – burning off
1. Risk assessment and method statement: Prepare, and obtain approval before commencing work. 2. Adjacent areas: Protect from excessive heat and falling scrapings. 3. Exposed resinous areas and knots: Apply two coats of knotting. 4. Removed coatings: Dispose of safely.
456A
Previously coated surfaces - removal burning off
1. Risk assessment and method statement: Prepare, and obtain approval before commencing work. 2. Adjacent areas: Protect from excessive heat and falling scrapings. 3. Do not damage or scorch timber surface 4. Exposed resinous areas and knots: Burn resin out with a hot air gun and cloth.- care must be taken. Do NOT use a knotting solution 5. Removed coatings: Dispose of safely.
461 Previously coated wood
1. Degraded or weathered surface wood: Take back to provide suitable substrate. 2. Degraded substrate wood: Repair with sound material of same species. 3. Exposed resinous areas and knots: Apply two coats of knotting.
461A
Previously coated wood
1. Degraded or weathered surface wood: Take back to provide suitable substrate. 2. Degraded substrate wood: Repair with sound material of same species. 3. Exposed resinous areas and knots: Burn resin out with a hot air gun and cloth.- care must be taken. Do NOT use a knotting solution
471 Preprimed wood
1. Areas of defective primer: Take back to bare wood and reprime.
481 Uncoated wood
1. General: Provide smooth, even finish with arrises and moulding edges lightly rounded or eased. 2. Heads of fasteners: Countersink sufficient to hold stoppers/fillers. 3. Resinous areas and knots: Apply two coats of knotting.
481A
Uncoated wood
1. General: Provide smooth, even finish with arrises and moulding edges lightly rounded or eased. 2. Heads of fasteners: Countersink sufficient to hold stoppers/fillers. 3. Resinous areas and knots: Burn resin out with a hot air gun and cloth.- care must be taken. Do NOT use a knotting solution.
481B
Uncoated wood floors
1. General: Provide smooth, even surface by sanding. Vacuum clean to remove ALL residues 2. If the floor requires a colour apply ONE coat Sadolin Classic and allow to dry for 3-5 days
Crown Trade 23-05-2024
M60 Painting/clear finishing Page 86 of 91
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