Solutionsto Bring Back
that New Feeling
3M MarineStandard Operating Procedures
From metal and plastic repair, to sanding, paint finishing and boat clean-up, 3M has the
products and repair processes for you. Feel confident your repair is done professionally
and efficiently using our Standard Operating Procedures. These procedures will
help you consistently produce quality, time-proven solutions for any of your marine repair needs.
For more Standard Operating Procedures, visit our website at 3M.com/marine
Standard Operating Procedures
Processfor Success
Table of ContentsMasking
General Masking ......................................................................................................................4
Bottom Paint ApplicationBottom Paint Small Area Repair ...............................................................................................6
Gelcoat ApplicationGelcoat Application ..................................................................................................................8
Gelcoat FinishingGelcoat Finishing - Professional .............................................................................................10Gelcoat Finishing - Retail Multi-Step ......................................................................................12Gelcoat Finishing - Light Oxidation .........................................................................................14
Varnish FinishingVarnish Finishing ...................................................................................................................16
Paint FinishingMarine Paint Finish Large Area Process..................................................................................18Marine Paint Finish Small Surface Area Process .....................................................................20Marine Paint Finishing Denibbing Process .............................................................................22
Marine Plastic RestorationMarine Plastic and Lens Restoration ......................................................................................24
Blister RepairMinor Blister Repair ...............................................................................................................26Severe Blister Repair .............................................................................................................28
Shattered FiberglassCracked or Shattered Fiberglass (Backside) Repair ................................................................30Cracked or Shattered Fiberglass (Frontside) Repair ................................................................32
Hole Repair 2 Sided Small to Medium Hole Repair Above/Below the Waterline - Backside Accessable ......342 Sided Small to Medium Hole Repair Above/Below the Waterline - Frontside ........................36Small Hole Above Waterline....................................................................................................38
Cosmetic Repair Gouge Above Waterline ..........................................................................................................40Cosmetic Scratch ..................................................................................................................42
Paint Application Systems3M PPS Paint Preparation System .....................................................................................44
5
General Masking Product List
1 Clean Area Clean the surface that you will be working on with boat soap. For this cleaning step, use a recommended
VOC compliant surface cleaner
3M Perfect-It Detail Cloth, PN 06016, 6 cloths/bag
3M Marine Boat Soap, PN 09034, 16 oz., bottle
2 Critical Edge Masking Mask the areas that require fineline tape first. Mask the rest of the repair and backup the fineline with masking tape. 3M Precision Masking Tape, PN 06620,
1 in. x 60 yds., Sleeve
3M Vinyl Tape 471 Blue, PN 36405,1/4 in.
Scotch Fine Line Tape 218 Green, PN 06301, 1/4 in. x 60 yds., each
Scotch Performance Green Masking Tape 233+, PN 26336, 24 mm width (.94 in.)
3 Overspray Protection Ensure that the surface is completely dry prior to applying plastic sheeting. Mask entire surface with plastic sheeting or masking paper. Tape the plastic sheeting or masking paper directly to critical masking edge. 3M Overspray Protective Sheeting,
PN 06727, 12 in. x 400 in., roll PN 06728, 16 in. x 350 in., roll PN 06742, 20 in. x 250 in., roll
3M Hand Masker Pre-Folded Masking Film, PN 6846 72 inch x 90 feet, MF72+
3M Hand Masker Kit M3000KML, PN 06788
3M Precision Masking Tape, PN 06620, 1 in. x 60 yds., Sleeve
4 Masking Removal After applying marine coating, remove the masking tape at a 90 angel to the masked surface.Watch the video at www.3M.com/marine For ordering information, contact your 3M Sales Representative
Think About Your Health
3M E-A-R Skull Screws
Ear Plug, PN P1300
StandardOperating Procedures
Masking
3M SecureFit, Protective Eyewear, PN SF202AF, with GRAY Lens
3M Lexa
Protective Eyewear, PN 15200
7
Bottom Paint Small Area Repair Product List
1 Cleaning Pressure wash the repair area. Clean the repair area with boat soap or VOC compliant cleaner to remove all organic and inorganic materials from the repair area. Cover the boat to protect from dust and debris. 3M Marine Boat Soap, PN 09034,16 oz., bottle 3M Perfect-It Detail Cloth, PN 06016, 6 cloths/bag
2 Removal Sand the old bottom paint using a dual action sander with 80 grit abrasive to remove old loose bottom paint. Clean the repair area with acetone, a VOC compliant cleaner, or blow off to remove contaminates from the repair area. 3M Cubitron II Marine Sanding Disc,
PN 31379, 6 in., 80+ grit, 20 discs/box
3M Electric Random Orbital Sander, PN 28433, 6 in Central Vacuum 3/16 in Orbit, 1 per case
3 Protection Mask all areas needed to protect during bottom paint application 3M Precision Masking Tape, PN 06620, 1 in. x 60 yards
3M Precision Masking Tape, PN 06529, 3/4 in. x 60 yards
3M Precision Masking Tape, PN 06528, 2 in. x 60 yards
3M Precision Masking Tape, PN 06528, 1-1/2 in. x 60 yards
3M Hand Masker Pre-Folded Masking Film, PN 06848, 48 in x 180 ft
3M Hand Masker Pre-Folded Masking Film, PN 06845, 24 in x 180 ft
3M Scotchblok Masking Paper, PN 06732, 12 in. x 180 ft
3M Scotchblok Masking Paper, PN 06738, 18 in. x 180 ft
4 Spray Gun Set UpPour the bottom paint into the disposable lid and liner to be used with your spray gun. Remember to remove the filter from the lid of the disposable paint system. Adjust the fan, fluid, and air pressure settings to achieve the desired fan pattern size and atomization.
3M Accuspray Spray Gun Kit HGP, PN 16587
3M PPS Kit Standard Size, PN 16000, 200 Micron Filters, 22 oz. (650mL)
3M PPS Kit Large Size, PN 16024, 200 micron filters,
3M PPS Kit Mini Size, PN 16114, 200 micron filters,
3M PPS Type H/O Mini Pressure Cup, PN 16121, 6 oz. (177 mL)
3M PPS Type H/O Pressure Cup, PN 16124, Large, 28 oz. (828 mL)
3M Accuspray Atomizing Head, PN 16611, 1.8mm
3M Accuspray Atomizing Head, PN 16609, 2.0mm5 ApplicationHolding the spray gun 6" - 8" from the repair area pull the spray gun trigger and apply bottom paint to the repair area. Apply bottom paint with a 1.8 mm or 2.0 mm atomizing spray nozzle. Apply bottom paint according to bottom paint manufacturerers recommendation for mil thickness.
Watch the video at www.3M.com/marine For ordering information, contact your 3M Sales Representative
Think About Your Health
3M Disposable Protective Coverall Safety Work Wear 4540+ XL, PN 00603
3M Full Facepiece Reusable Respirator, PN 54146
Bottom Paint Application
3M Belt-Mounted PAPR Painter's Kit, PN 37335
3M Versaflo AP-601 Air Filtration Panel, PN 37417
3M Versaflo Painter's Supplied Air Respirator Kit, PN 37336
9
Gelcoat Application Product List
1 Cleaning Pressure wash the repair area. Clean the repair area with boat soap to remove any organic materials. Clean the repair area with acetone or approved cleaner to remove any inorganic materials. 3M Marine Boat Soap, PN 09034, 16 oz., bottle 3M Perfect-It Detail Cloth, PN 06016, 6 cloths/bag2 Preparation
Using a DA sander with 80 grit abrasive, sand the old gelcoat to remove any oxidized gelcoat. Apply dry guide coat to surface and re-sand gelcoat to ensure even texture of surface being repaired. Clean the repair area with acetone, a VOC compliant cleaner, or blow off the repair area.
3M Cubitron II Marine Sanding Disc, PN 31379, 6in., 80+ grit, 20 discs/box
3M Electric Random Orbital Sander, PN 28433, 6 in Central Vacuum 3/16 in Orbit, 1 per case
3M Dry Guide Coat, PN 05861, 6 per case
3 Masking Mask the repair area to contain the repair to as small of a repair as possible. 3M Precision Masking Tape, PN 06620, 1 in. x 60 yards
3M Precision Masking Tape, PN 06529, 3/4 in. x 60 yards
3M Precision Masking Tape, PN 06528, 2 in. x 60 yards
3M Precision Masking Tape, PN 06528, 1-1/2 in. x 60 yards
3M Hand Masker Pre-Folded Masking Film, PN 06848, 48 in x 180 ft
3M Hand Masker Pre-Folded Masking Film, PN 06845, 24 in x 180 ft
3M Scotchblok Masking Paper, PN 06732, 12 in. x 180 ft
3M Scotchblok Masking Paper, PN 06738, 18 in. x 180 ft
4 Spray Gun Set UpMix gelcoat in appropriate size disposable lid and liner. Remember to remove the filter in the lid of the disposable paint system. Mix gel coat according to manufactu
