The Green Atlantic line.
Every size, length and profile we make in white, plus a growing range in black. Drawings for each one are in the CAD library, and the full set is in the product catalog.
Sealed edge trim
Our sealed edge process leaves a clean, smooth edge on every board instead of an open cut face. The edge resists dirt on the jobsite, wipes down years later, and gives you a square reference on every rip. All trim ships in 18’ lengths.

| Nominal | Actual size |
|---|---|
| 1 x 3 | 3/4" x 2 1/2" |
| 1 x 4 | 3/4" x 3 1/2" |
| 1 x 5 | 3/4" x 4 1/2" |
| 1 x 6 | 3/4" x 5 1/2" |
| 1 x 8 | 3/4" x 7 1/4" |
| 1 x 10 | 3/4" x 9 1/4" |
| 1 x 12 | 3/4" x 11 1/4" |
| 1 x 15 | 3/4" x 14 1/4" |
| 1 x 16 | 3/4" x 15 1/4" |
| Nominal | Actual size |
|---|---|
| 5/4 x 4 | 1" x 3 1/2" |
| 5/4 x 5 | 1" x 4 1/2" |
| 5/4 x 6 | 1" x 5 1/2" |
| 5/4 x 8 | 1" x 7 1/4" |
| 5/4 x 10 | 1" x 9 1/4" |
| 5/4 x 12 | 1" x 11 1/4" |
| 5/4 x 16 | 1" x 15 1/4" |
| 6/4 x 4 | 1 1/4" x 3 1/2" |
| 6/4 x 6 | 1 1/4" x 5 1/2" |
| 6/4 x 8 | 1 1/4" x 7 1/4" |
| 6/4 x 10 | 1 1/4" x 9 1/4" |
| 6/4 x 12 | 1 1/4" x 11 1/4" |
Sheets
From 1mm to 1 1/4”, in 10’ and 20’ standard lengths. The 20’ sheet takes board and batten from foundation to roofline with no horizontal joint. Consistent density makes them predictable to mill, rout and fabricate, which is why they show up in signage, cabinet shops, boat work and store fixtures as often as on houses.

| Actual size | Lengths |
|---|---|
| 1/4" x 4' | 10' and 20' |
| 3/8" x 4' | 10' and 20' |
| 1/2" x 4' | 10' and 20' |
| 5/8" x 4' | 10' and 20' |
| 3/4" x 4' | 10' and 20' |
| 1" x 4' | 10' and 20' |
| 1 1/4" x 4' | 10' and 20' |
1mm and 2mm sheet. Made for flashing details and the places a 1/4” sheet is too heavy. It is also the rigid flange material behind trim kits, a real PVC flange instead of a snap-in nail fin.
Corners
Folded corner boards are precision-folded and glued from a single sheet, so there is no outside seam to split or stain. Extruded outside corners carry an integrated nailing flange and siding pocket and go on in one pass. Our 45° inside and outside corners arrive as one piece at the correct angle for bay windows, breakfast nooks and bump-outs.

Folded corner boards
| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GAC4 4" Corner Board | 15/16" x 3 1/2" x 20' | |
| GAC4R 4" Corner, siding rabbet | 3 1/2" face x 20' | |
| GAC6 6" Corner Board | 15/16" x 5 1/2" x 20' | |
| GAC6R 6" Corner, siding rabbet | 5 1/2" face x 20' | |
| GATC 1" Trim Corner | 90° x 18' |
Extruded corners
| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GAC4E 4" Extruded Corner | 3 1/2" face x 20' | |
| GAC6E 6" Extruded Corner | 5 1/2" face x 20' | |
| GAC6OC45 45° Outside Corner | 5 1/2" x 5 1/2" x 20' | |
| GA203 90° Inside Corner | 1 1/2" x 1 1/2" x 20' | |
| GA204 45° Inside Corner | 1 1/2" x 1 1/2" x 20' |
Mouldings
Extruded rather than milled, so the surface stays sealed and the finish matches our boards and sheets. Standard 18’ lengths, where most of the market stops at 16’ and puts an extra joint in a long run of crown.

Crown, bed and panel
| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GASC Super Crown | 3 5/8" solid crown | |
| GA51 2 1/4" Crown | 9/16" x 2 1/4" x 18' | |
| GA49 3 5/8" Crown | 9/16" x 3 5/8" x 18' | |
| GA47 4 5/8" Crown | 5/8" x 4 5/8" x 18' | |
| GA45 5 1/2" Crown | 9/16" x 5 1/2" x 18' | |
| GAPC Pediment Crown | 2" x 2 7/8" x 18' | |
| GA68 Rams Crown | 1 13/32" x 2 1/16" x 18' | |
| GAIR Imperial Rake | 1 3/8" x 2 3/4" | |
| GA75 Bed | 9/16" x 1 5/8" x 18' | |
| GA217 Band | 5/8" x 1 3/4" x 18' | |
| GA164 Base Cap | 11/16" x 1 1/8" x 18' | |
| GA093 Cove | 3/4" x 3/4" x 18' | |
| GA105 Quarter Round | 3/4" x 3/4" x 18' | |
| GACS Colonial Shoe | 11/16" x 1 1/2" x 18' | |
| GA356 Colonial Base | 1/2" x 4 1/4" |
Sill, casing and detail
| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GA7467 Casing / Lineal | 1 1/8" x 3 1/2" x 18' | |
| GA7966 Casing / Lineal | 1 1/8" x 5 1/2" x 18' | |
| GA2590 Backband Casing | 1 3/16" x 4 1/2" | |
| GA180 Brick Mould | 1 1/4" x 2" x 18' | |
| GA183 Brick Mould with J | 1 1/4" x 3" x 18' | |
| Garage Door Thermostop | 7/16" x 2" x 18' | |
| GA6930 Historic Sill | 1 3/4" x 2 1/32" x 18' | |
| GA937 Sill Nose, Small | 1 3/8" x 1 5/16" | |
| GA7974 Sill Nose, Medium | 1 1/4" x 2 1/16" x 18' | |
| GA948 Sill | 1 1/4" x 4 5/16" x 18' | |
| GA197 Drip Cap | 11/16" x 1 5/8" x 18' | |
| GA287 Rake | 1 1/16" x 2" x 18' | |
| GA210 Shingle | 11/16" x 1 5/8" x 18' | |
| GAWT Water Table | 2" x 2 3/4" x 18' | |
| GAFA Flat Astragal | 13/32" x 2 3/8" x 18' | |
| GASB Square Baluster | 1 1/2" x 1 1/2" |
Beadboard
Three ways to do a porch ceiling: classic standard beadboard, Stealth for a tighter modern reveal, and beaded planking. Stealth runs in continuous 24’ lengths, so a long porch ceiling is one clean run. Beaded sheets come in 4’ x 10’ and 4’ x 20’.

| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GABP Beaded Planking | 3/8" x 5 1/2" x 18' | |
| GA001 Bead Board | 1/2" x 5 1/8" x 18' | |
| GA002 Stealth Bead Board | 1/2" x 6" x 18' and 24' |
Water table and soffit
Our water table has a flanged top that tucks behind the first course of siding, so it also does the job of a drip cap, and the face is cut at a slope to throw water off the wall. The soffit system pairs vented or solid soffit with notched fascia and frieze machined to take it, with no separate flashing or cover.

| Water table | Length |
|---|---|
| 1" x 5 1/2" | 18' |
| 1" x 7 1/4" | 18' |
| 1" x 9 1/4" | 18' |
| GAWT moulding, 2" x 2 3/4" | 18' |
| Soffit system | Actual size | Length |
|---|---|---|
| Soffit, vented or solid | 1/2" x 12" | 10' |
| Soffit, vented or solid | 1/2" x 16" | 10' |
| Soffit, vented or solid | 1/2" x 24" | 10' |
| Notched fascia | 3/4" x 7 1/4" | 18' |
| Frieze board | 1" x 5 1/2" | 18' |

Vented soffit

Notched fascia

Frieze board
Column wraps
A complete kit for covering structural posts and wood columns. Wraps arrive pre-cut and ready to assemble, so a rough 6x6 becomes a finished column in one visit. Custom lengths available.

| Nominal | Actual size | Length |
|---|---|---|
| 4" x 4" | 1/2" x 3 3/4" I.D. x 4 3/4" O.D. | 10' |
| 6" x 6" | 1/2" x 5 3/4" I.D. x 6 3/4" O.D. | 10' |
| 8" x 8" | 1/2" x 8 1/2" I.D. x 9 1/2" O.D. | 10' |
Specialty trim
Rabbeted boards built for the way windows actually go in. A siding rabbet for the siding to tuck into, a nail flange rabbet that sits flat over a new-construction window fin with no shims, and a combination of both. All three are also made in custom sizes: tell us the siding exposure and the window.

| Nominal | Board type | Length |
|---|---|---|
| 5/4" x 4" | Siding rabbet | 18' |
| 5/4" x 4" | Siding and nail flange rabbet | 18' |
| 5/4" x 4" | Nail flange rabbet | 18' |
Board and batten
Our 20’ sheets make this system work. One sheet runs foundation to roofline on most walls, so there is no horizontal joint at eye level on the tallest wall of the house, the most common callback on a board and batten job. Pair it with battens at whatever spacing the design calls for.

| Component | Typical build-up |
|---|---|
| Field | 1/2" or 3/4" x 4' x 20' sheet |
| Battens | Ripped from 3/4" trim to suit spacing |
| Corners | 3/4" folded or extruded corner |
| Window and door | 3/4" sealed edge trim |
| Base | Water table with integral drip |
| Top | Frieze board notched for soffit |
Black PVC
Green Atlantic was the first manufacturer to produce fully black PVC trim, sheet and moulding. Black all the way through, with the same sealed edge and UV package as the white line. Cut it anywhere and the cut end is black. We add to the black range regularly; ask your dealer for the current list.

| Black trim, 18' | Actual size |
|---|---|
| 1 x 3 | 3/4" x 2 1/2" |
| 1 x 4 | 3/4" x 3 1/2" |
| 1 x 5 | 3/4" x 4 1/2" |
| 1 x 6 | 3/4" x 5 1/2" |
| 1 x 8 | 3/4" x 7 1/4" |
| 1 x 10 | 3/4" x 9 1/4" |
| 1 x 12 | 3/4" x 11 1/4" |
| 1 x 16 | 3/4" x 15 1/4" |
| 5/4 x 4 | 1" x 3 1/2" |
| 5/4 x 5 | 1" x 4 1/2" |
| 5/4 x 6 | 1" x 5 1/2" |
| 5/4 x 8 | 1" x 7 1/4" |
| 5/4 x 10 | 1" x 9 1/4" |
| 5/4 x 12 | 1" x 11 1/4" |
| 5/4 x 16 | 1" x 15 1/4" |
| Product number | Dimensions | Profile, actual proportion |
|---|---|---|
| GA6930B Historic Sill | 1 3/4" x 2 1/32" x 18' | |
| GA49B 3 5/8" Crown | 9/16" x 3 5/8" x 18' | |
| GA68B Rams Crown | 1 13/32" x 2 1/16" x 18' | |
| GA164B Base Cap | 11/16" x 1 1/8" x 18' | |
| GAC4B 4" Corner Board | 15/16" x 3 1/2" x 20' | |
| GAC6RB 6" Corner, siding rabbet | 5 1/2" face x 20' | |
| GAC4EB 4" Extruded Corner | 3 1/2" face x 20' |
| Black sheets | Length |
|---|---|
| 1/2" x 4' | 20' |
| 3/4" x 4' | 20' |
| 1" x 4' | 20' |
| Black beadboard | Length |
|---|---|
| GA002 Stealth, 1/2" x 6" | 18' and 24' |
Custom sizes
If the stock list does not match the job, we can produce the width, length, thickness or profile you need. Minimum order quantities may apply. Sign makers, cabinet shops, boat builders and store fixture companies all run Green Atlantic, and we are set up to supply large volumes of a single custom size.
What to send us. A dimensioned sketch or CAD file, the quantity and the length. To match an existing profile, a photo of the end with a tape in frame is usually enough to quote from.
