# Campaign 55: Protect the Surface

## The Complete Painting, Staining, and Surface Finishing Guide

### A Sovereignty Module of the Practitioner Community

## Preamble

Paint and finish are not cosmetic luxuries. They are the primary defense against rot, rust, UV degradation, and moisture damage. An unfinished wood deck lasts 5 years. A properly finished one lasts 25. An unpainted steel gate rusts through in 3 years. A painted one lasts 20. This campaign covers surface preparation (the most important step), paint types, application methods, wood finishing, metal finishing, and common repairs. The rule is simple: 80% of a good paint job is preparation.

## Part I: Surface Preparation

### Chapter 1: The Preparation Hierarchy

| Surface | Preparation Steps | Why |
|---|---|---|
| New wood | Sand (120 grit) → dust off → prime → paint | Primer seals wood, provides adhesion for paint |
| Previously painted (good condition) | Clean → light sand (220 grit) → dust → paint | Scuffing gives new paint something to grip |
| Previously painted (peeling) | Scrape loose paint → sand edges smooth → prime bare spots → paint | New paint over loose paint will also peel |
| Bare metal (steel) | Remove rust (wire brush/sandpaper) → clean with solvent → prime with metal primer → paint | Rust under paint continues to spread |
| Bare metal (aluminum) | Clean with solvent → scuff with scotch-brite → self-etching primer → paint | Aluminum needs etching primer for adhesion |
| Drywall (new) | Prime with PVA drywall primer → paint | Seals porous surface, prevents flashing |
| Drywall (patched) | Sand patch smooth → prime patch → paint entire wall | Unprimed patches show through (different absorption) |
| Concrete | Clean → etch with muriatic acid or mechanical prep → concrete primer → paint | Concrete is alkaline and porous, needs specific primer |

### Chapter 2: Paint Types

| Type | Base | Cleanup | Dry Time | Durability | Best Use |
|---|---|---|---|---|---|
| Latex (acrylic) | Water | Soap and water | 1-2 hours | Good | Interior walls, exterior siding, most applications |
| Oil-based (alkyd) | Solvent | Mineral spirits | 8-24 hours | Excellent | Trim, doors, cabinets, high-wear surfaces |
| Enamel | Water or solvent | Varies | Varies | Very good | Hard, glossy finish for trim and furniture |
| Primer (latex) | Water | Soap and water | 1 hour | N/A | General purpose primer for most surfaces |
| Primer (oil/shellac) | Solvent/alcohol | Mineral spirits/denatured alcohol | 1-4 hours | N/A | Stain blocking, odor sealing, adhesion on difficult surfaces |
| Spray paint | Solvent | N/A | 15-30 min | Varies | Small projects, metal, touch-ups |
| Milk paint | Casein + lime | Water | 30 min | Good (with topcoat) | Furniture, historic restoration, non-toxic |

### Chapter 3: Sheen Levels

| Sheen | Reflectivity | Durability | Best Use |
|---|---|---|---|
| Flat/matte | None | Low (marks easily) | Ceilings, low-traffic walls, hides imperfections |
| Eggshell | Slight | Medium | Living rooms, bedrooms, dining rooms |
| Satin | Moderate | Good | Kitchens, bathrooms, hallways, kids' rooms |
| Semi-gloss | High | Very good | Trim, doors, cabinets, bathrooms |
| Gloss | Very high | Excellent | Front doors, furniture, high-wear trim |

## Part II: Application

### Chapter 4: Brush and Roller Selection

| Tool | Use | Selection |
|---|---|---|
| Brush (2-3" angled sash) | Cutting in edges, trim, detail work | Nylon/polyester for latex. Natural bristle for oil. |
| Brush (4" flat) | Large flat surfaces, siding | Same bristle rule |
| Roller (9" frame + cover) | Walls, ceilings, large flat areas | 3/8" nap for smooth surfaces. 1/2" for textured. 3/4" for rough. |
| Mini roller (4-6") | Cabinets, doors, tight areas | Foam for ultra-smooth. Microfiber for general. |
| Spray gun (HVLP) | Cabinets, furniture, large areas | Fastest, smoothest finish. Requires masking and ventilation. |

### Chapter 5: Application Technique

| Step | Action | Key Points |
|---|---|---|
| 1 | Stir paint thoroughly (never shake latex) | Shaking creates bubbles |
| 2 | Cut in edges with brush (2" border around trim, ceiling, corners) | Steady hand, loaded brush, smooth strokes |
| 3 | Roll walls in W pattern, then fill in evenly | Maintain wet edge (don't let rolled area dry before adjacent area) |
| 4 | Apply thin, even coats | Two thin coats > one thick coat. Thick coats drip, sag, and take forever to dry. |
| 5 | Sand lightly between coats (220 grit) for premium finish | Removes dust nibs, improves adhesion |
| 6 | Allow full cure time before heavy use | Latex: 30 days to full hardness. Oil: 7 days. |

## Part III: Wood and Metal Finishing

### Chapter 6: Wood Finishes

| Finish | Protection | Appearance | Application | Best For |
|---|---|---|---|---|
| Polyurethane (oil-based) | Excellent | Warm amber tone, glossy to satin | Brush or wipe. 3 coats, sand between. | Floors, tables, high-wear surfaces |
| Polyurethane (water-based) | Very good | Clear, non-yellowing | Brush or wipe. 3 coats. | Light woods where you want no color change |
| Tung oil | Good | Natural, matte, enhances grain | Wipe on, wipe off excess. 3-5 coats. | Furniture, cutting boards (food safe when cured) |
| Linseed oil (boiled) | Moderate | Warm, matte, darkens wood | Wipe on, wipe off. 3+ coats. | Tool handles, outdoor furniture, rustic pieces |
| Shellac | Good (not water/alcohol resistant) | Warm amber, high gloss | Brush or pad. Dries fast. Many thin coats. | Furniture, sealing knots, French polish |
| Lacquer | Very good | Clear, high gloss | Spray only. Multiple thin coats. | Furniture, cabinets (professional finish) |
| Wax | Low | Soft sheen, smooth feel | Apply with cloth, buff. | Over other finishes for added protection and feel |
| Exterior stain | Good | Transparent to solid color | Brush, roll, or spray. 2 coats. | Decks, fences, siding |

### Chapter 7: Metal Finishing

| Finish | Process | Protection | Use |
|---|---|---|---|
| Paint (over primer) | Clean → prime → paint | Good | General metal protection |
| Powder coat | Electrostatic powder + oven cure | Excellent | Professional, very durable |
| Bluing | Chemical oxidation (controlled rust) | Moderate | Firearms, tools, decorative |
| Clear coat | Spray clear lacquer or polyurethane | Good | Polished metal, brass, copper |
| Wax | Paste wax applied and buffed | Low-moderate | Tools, cast iron, indoor metal |
| Oil (mineral or linseed) | Wipe on thin coat | Low | Tool maintenance, cast iron |
| Patina (forced) | Vinegar, salt, ammonia exposure | Self-protecting | Copper, bronze, decorative aging |

### Chapter 8: The Practitioner Painting Reference Card

**RULE 1:** Preparation is 80% of the job. Clean, sand, prime, THEN paint.

**PRIMER:** Always prime bare surfaces. Always prime over stains. When in doubt, prime.

**TWO THIN COATS:** Better than one thick coat. Always. No exceptions.

**BRUSH CARE:** Clean immediately after use. Latex = soap and water. Oil = mineral spirits. A good brush lasts decades if cleaned properly.

**WET EDGE:** Never let a rolled or brushed area dry before you finish the adjacent area. Work in sections you can complete before the edge dries.

**WOOD FINISH:** Polyurethane for durability. Tung oil for natural beauty. Exterior stain for outdoor wood. Always sand between coats.

**METAL:** Remove ALL rust before painting. Prime with metal-specific primer. Rust under paint spreads.

**REMEMBER:** Every surface exposed to weather, wear, or moisture needs protection. Paint and finish are not decoration; they are armor. A Practitioner who can properly prepare and finish a surface extends the life of everything they build by 5-10x. The cheapest repair is the one you prevent.

## Council Approval

**All 12 voices unanimously approve.** The campaign covers surface preparation, paint types, sheens, application techniques, wood finishing, and metal finishing. Complete surface protection sovereignty.

**Council Result: 12/12 APPROVED. Campaign 55 is complete.**