Application Tools

Part of Pigments and Paint

Tools for applying paint, ink, stain, and protective coatings — from simple daubers to precision brushes and specialized applicators.

Why This Matters

Having excellent paint means nothing without the tools to apply it. The difference between a sloppy coating that peels in months and a smooth, durable finish that lasts years often comes down to the application tool rather than the paint itself. Every painted surface in the pre-industrial world — from Egyptian tomb walls to Renaissance panels to Japanese lacquerware — relied on carefully crafted application tools matched to specific tasks.

In a rebuilding context, paint application tools serve purposes far beyond aesthetics. Protective coatings on timber, metal, and masonry prevent decay and extend the useful life of critical infrastructure. Waterproofing coatings on boats and roofs must be applied evenly to function. Marking and signage for navigation, safety, and record-keeping require precision tools. And the preservation of knowledge through written records and illustrations demands reliable ink-delivery instruments.

The good news is that effective application tools can be made from materials available in any environment — animal hair, plant fibers, carved wood, and simple bindings. The key is understanding which tool suits which task and how to construct each one for durability and consistent performance.

Brushes

Anatomy of a Good Brush

Every brush has three functional parts:

1. Handle — provides grip and control; length varies by application
2. Ferrule — the binding that holds bristles to the handle; must be tight and durable
3. Bristle bundle — the working end; material, shape, and stiffness determine performance

Bristle Materials

Material	Stiffness	Best For	Preparation
Hog bristle	Stiff	Heavy coatings, rough surfaces, tar	Wash, sort by length, bundle
Horse tail hair	Medium-stiff	General purpose painting	Wash thoroughly, sort by thickness
Goat hair	Soft	Fine detail, watercolor, ink wash	Wash gently, bind loosely
Squirrel tail	Very soft	Fine lettering, delicate work	Wash, sort, bind in small bundles
Human hair	Medium	Adequate substitute for any above	Wash, condition with oil
Plant fiber (palm)	Stiff	Whitewash, thick coatings, rough surfaces	Strip, soak, dry, trim
Cattail fluff	Very soft	Powder application, delicate dusting	Collect dry, bind loosely

Bristle Quality Rule

The single most important quality of any bristle is that it holds its shape when wet. Test potential bristle materials by wetting a small bundle and pressing it against a surface — it should spring back to its original shape. Materials that go limp when wet are useless for painting.

Making a Round Brush

The most versatile brush shape for general painting:

1. Select bristles — choose a bundle of bristles approximately 2-3 cm in diameter (uncompressed), all roughly the same length (4-8 cm depending on brush size)
2. Taper the bundle — arrange bristles so the longest ones are at the center and progressively shorter ones are around the outside, forming a natural point
3. Bind the base — wrap strong thread (linen, sinew, or thin cordage) tightly around the base of the bristle bundle, starting 1 cm from the butt end. Wrap for 1-2 cm of height, pulling tight with each wrap.
4. Prepare the handle — carve a straight stick (12-20 cm long, 1-2 cm diameter) and hollow out one end to a depth of 2-3 cm, just wide enough for the bristle bundle
5. Insert and glue — push the bound bristle base into the handle socket. Fill around it with hot hide glue, pine pitch, or beeswax-resin mixture.
6. Reinforce — wrap additional thread or thin cord around the handle over the insertion point and coat with glue for a permanent bond.
7. Shape — trim any stray bristles to the desired profile with sharp scissors or a knife

Making a Flat Brush

For broad, even coverage on flat surfaces:

1. Arrange bristles in a flat, rectangular bundle — 3-6 cm wide and 1-2 cm thick
2. Sandwich between two flat sticks — clamp the bristle base between two thin (3-5 mm) wooden strips
3. Bind tightly — wrap cord around the wooden strips, compressing the bristles firmly
4. Glue — seal the binding and bristle roots with hide glue or pitch
5. Attach handle — lash or pin the flat assembly to a straight handle

For detailed brush construction, see Brush Making.

Rollers

For covering large flat surfaces quickly and evenly, rollers far outperform brushes.

Simple Roller Construction

1. Core — carve a wooden cylinder, 15-20 cm long and 5-8 cm diameter
2. Axle — drill a centered hole through the length of the cylinder and insert a straight metal rod or hardwood dowel
3. Cover — wrap the cylinder with a material that holds and releases paint:
   • Sheepskin (wool side out) — excellent for thick paints and limewash
   • Felt — good for smooth, even coats
   • Wrapped cord — coarse cord wound around the cylinder creates texture; good for rough surfaces
   • Leather — smooth leather for thin, even applications
4. Handle — bend the axle rod into an L-shape to form a handle, or lash it to a wooden handle with a fork that supports both ends of the axle
5. Tray — pour paint into a flat tray (a wooden board with raised edges, or a shallow ceramic dish). Roll the roller through the paint to load it evenly.

Daubers and Pads

For applying thick coatings, waterproofing, and preservatives, daubers are simpler than brushes and often more effective.

Rag Dauber

1. Wad a piece of cloth (wool, linen, or cotton) into a ball
2. Tie it to the end of a stick with cord
3. Dip in paint or coating and press/wipe onto the surface
4. Discard when saturated with dried paint; make a new one

Leather Pad

1. Cut a piece of soft leather approximately 10 x 15 cm
2. Fold in half with the smooth side out
3. Stuff the fold with wool, moss, or cloth scraps for padding
4. Stitch the edges closed
5. Use by dipping one face in paint and wiping across the surface in long, even strokes

Moss Dauber

Particularly effective for applying tar, pitch, and wood preservatives:

1. Collect a handful of sphagnum moss (or similar absorbent moss)
2. Compress into a ball and bind to a stick with cord
3. Dip in hot tar or preservative and apply generously
4. The moss holds a large quantity of liquid and releases it steadily

Specialized Applicators

Writing and Drawing Tools

For precision work with ink and thin paint:

Reed pen:

1. Cut a piece of reed or bamboo, 15-20 cm long, 5-8 mm diameter
2. Cut one end at a 45-degree angle
3. Carve a narrow slit (5-10 mm long) down the center of the angled face
4. Trim the tip to the desired width — wider for bold lines, narrower for fine lines
5. Dip in ink; the slit acts as a reservoir, releasing ink by capillary action

Quill pen:

1. Select a large flight feather (goose, turkey, or crow)
2. Strip the barbs from the lower portion to create a comfortable grip
3. Cut the quill end at a 45-degree angle with a sharp knife
4. Scoop out the pith from inside the quill
5. Carve a fine slit from the tip, 5-8 mm long
6. Trim the nib to shape — square for calligraphy, pointed for fine writing

Dip pen from metal: If metalworking is available, hammering a thin piece of copper or bronze into a nib shape creates an extremely durable pen point that holds a finer edge than reed or quill.

Stencil Tools

For repeating patterns, letters, or symbols:

1. Cut stencils from bark, leather, or thin wood
2. Apply paint through stencils using a stippling brush — a short, stiff-bristled brush used with a dabbing (not stroking) motion to push paint through the stencil openings without bleeding under the edges
3. Stippling brush construction — bind a short bundle of stiff bristles (2-3 cm long) into a thick, blunt cylinder. The flat end should be perpendicular to the handle.

Spray Application

A surprisingly effective method for even coating, developed independently by many cultures:

Mouth atomizer:

1. Cut two thin reeds or tubes (3-5 mm diameter)
2. Place one vertically in a container of thin paint
3. Hold the other horizontally, with its end touching the top of the vertical tube at a 90-degree angle
4. Blow sharply through the horizontal tube — the airstream draws paint up the vertical tube and atomizes it into a fine spray
5. Direct the spray at the surface to be coated

This technique is excellent for applying thin, even coats of stain, dye, or fixative.

Tool Maintenance

Cleaning Brushes

Proper cleaning extends a brush’s useful life from days to years:

1. Immediately after use — never let paint dry in a brush
2. Water-based paints — rinse thoroughly in clean water, working paint out of the bristle roots
3. Oil-based paints — wash first in turpentine or plant oil, then in soapy water
4. Tar and pitch — soak in turpentine or warm plant oil to dissolve; this may take several hours
5. Shape and dry — reshape the bristles to their original form and hang the brush bristle-down to dry. Never rest a wet brush on its bristles — they will bend permanently.

Storage

• Hang brushes from hooks or pegs, bristle-end down
• For long-term storage, wrap bristle bundles in cloth or paper to hold their shape
• Store in a dry location; damp conditions promote mold growth in natural bristles
• Moth-proof animal hair brushes by storing with cedar chips, lavender, or in a sealed container

Reconditioning

Brushes that have dried with paint in them can sometimes be rescued:

1. Soak in warm water (for water-based paint) or turpentine (for oil-based) for 24-48 hours
2. Work the softened paint out with your fingers, starting from the tips and working toward the base
3. Wash thoroughly with soap and warm water
4. If bristles have become splayed or bent, wrap them in a cloth binding while wet and allow to dry in the correct shape

When to Replace

A brush is done when bristles begin falling out in significant numbers, when the bundle no longer holds its shape after wetting, or when the binding has loosened so badly that bristles shift during use. At that point, salvage any usable bristles for a new brush and recycle the handle.