T'SILLAN BDG · EST. LOCAL BOYDIDGOOD
A LOTION, NOT A WAX
Marine Gelcoat Coating · Made by Hand

T'sillan BDG

Massaged in like lotion. Bonded into the gelcoat. A finish that's barely there — and that's the point.

Gelcoat Only Bonds On Contact Spider Repellent
§ 01 · What It Is

A coating, not a cure.

T'sillan BDG is a gelcoat-only bonding lotion designed to be massaged into a properly prepped surface — new, or freshly polished and free of oxidation. The oils absorb into the pores; what you buff off is the bonding layer that stays behind.

It will not restore oxidized gelcoat. It will not make a tired hull look new. Prep is the work; this is the protection that follows.

Designed For

  • New gelcoat
  • Freshly polished, oxidation-free gelcoat
  • Any color — light or dark

Mask Off & Avoid

  • Rubber, vinyl, canvas, seadecking
  • Black trim & oxidized metals
  • Already-oxidized gelcoat (polish first)
§ 02 · The Method

Six movements.

i

Prep the surface

Wash with Dawn, alcohol, or white vinegar & water — or a dedicated surface-prep wipe. Goal: a uniform gloss that throws a clean reflection at 45°. A flat panel should look mirror-ish.

ii

Mask the off-limits

Tape off rubber, vinyl, canvas, seadecking, black trim, and any oxidized metal. Dried-on product is hard to remove from these surfaces.

iii

Shake. Apply slow.

Soft, clean foam applicator on a random orbital or DA polisher — speed set very low. Treat it like lotion, not wax. The orbital pattern fills round pores better than back-and-forth.

→ Hot day · dark gelcoat · sun: work small sections
iv

Massage it in

Imagine pushing the product into the pores of a sponge. Work it until the product is barely visible on the surface. Longer working time = better result; the oils need time to absorb.

v

Buff off the residue

Clean microfiber or a fresh foam pad. What you're removing is the bonding layer — once buffed, the chemistry has already begun setting. No cure time required.

→ If it over-dries: dab fresh product, buff fast. Saliva works in a pinch.
vi

Inspect

You'll notice fewer fingerprints than a traditional wax. The surface should feel set, not slick. If a panel looks uneven, hit it again — there's no penalty for a second pass.

§ 03 · Toolkit

What's on the bench.

01 / Polisher
DeWalt DWP849X Variable-speed rotary polisher — used at the lowest setting for application.
DWP849X
02 / Adapter
3M Quick Connect Adapter Connects the polisher to the 3M double-sided pad system.
3M 05752
03 / Pads
3M Double-Sided Foam Pads Compounding pad  ·  Polishing pad — paired with the Quick Connect.
3M 05753 / 05754
04 / Foam
3M Foam Compounding Pads Original 05737 has been discontinued — use the current 05723.
3M 05737 → 05723
05 / Compound A
3M Super-Duty Rubbing Compound Heavy oxidation prep — first cut on rough gelcoat.
3M 05954
06 / Compound B
3M Heavy Cut Compound Mid-grade cut for evening out the surface.
3M 36102
07 / Compound C
3M Perfect-It EX AC Compound Final-stage compound; refines the gloss before T'sillan BDG goes on.
3M 36060
§ 04 · Maintenance

Keep it clean.

Wash regularly with mild, gelcoat-safe soaps — anything that won't strip wax. Soaps that add a film of repellency are even better. Salt-Away is a worthy additive even in freshwater. A few of the Turtle Wax car soaps leave a protective layer behind too.

The thing that kills any protective coating is dirt baked in by the sun. Don't let it sit. Rinse, wash, and the bond does the rest.

Spider Repellency

3–4
months of meaningful repellency from a single application. Reapply seasonally for full effect.
§ 05 · How to Buy

Sold by hand.

T'sillan BDG is sold direct by Local boydidgood via PayPal. Include your shipping address with payment — and a note about which gelcoat color you're treating, in case there's anything worth flagging for your particular boat.

$35 per bottle
Ship · US+ $13
Ship · Canada+ $15 USD
Order via PayPal
paypal.me/DDLee · ship-to required