Trims and Edge Profiles for Resin Bound, Tile and Stone
Trims and Edge Profiles for Resin Bound, Tile and Stone
Over 500 aluminum profiles in 20+ finishes. L channel, square and round edge, expansion joints, bendable trim, stair nosing, cove, reducers and more. Buy the resin bound essentials here, or open the full catalog at Resin Trims.
Trim is the part of a job nobody talks about until it is wrong. A resin bound driveway laid perfectly and finished into bare soil will start losing its edge inside two seasons. A tile floor that meets carpet on a raw cut is the first thing a customer notices.
An edge profile does three things. It sets the finished height before you lay, so the surface comes out flat instead of feathered. It gives the material something to bear against, so the perimeter does not break away when it gets kicked, mowed or driven over. And it gives you a straight line to trowel to, which is most of what makes a finished edge look sharp.
Resin Rock stocks the profiles resin bound installers use most, so edging goes in the same order as your binder and aggregate. Resin Trims, our dedicated trim supply brand, carries the full catalog for tile, stone, LVT and resin bound work.
Where to buy what
- Resin Rock for the common resin bound profiles, shipped with the rest of your job
- Resin Trims for the full 500+ profile catalog, every finish and every size
- Trade pricing for registered Resin Rock contractors
- Bulk pricing available through Resin Trims
- Aluminum construction, built for exterior use
- Mill, clear satin silver, light bronze and dark bronze finishes
Which trim do I need?
Pick the job you are doing rather than the profile name. Six situations cover most of what comes up on site.
You are edging a resin bound driveway or patio
L channel sets the height and holds the line. Add expansion joint trim on long runs and bendable trim wherever the edge curves.
You are running resin bound up to a pool
Round edge takes the sharpness off where people walk barefoot, and cove trim closes the floor to wall junction so water cannot sit in a square corner.
You have a change of level between two surfaces
A reducer ramps it instead of leaving a lip. If the two surfaces are level with each other, use T channel instead.
You are finishing steps or a stair
Stair nosing on anything people descend, tread edge where a full nosing is too heavy for the detail. Both protect the leading edge and add grip.
You are tiling a shower or wet room
Niche trims frame the recess, cove trim kills the internal corner, and square or round edge finishes the exposed tile edges.
You are transitioning to carpet or LVT
Binder bars hold the carpet edge. LVT accessories are sized for vinyl thicknesses so the transition sits flush rather than proud.
The rule that saves the most reworks
Set the profile to the finished surface height, not the slab height. Measure your build up first: substrate, primer, and the laid depth of the surface. Resin bound is usually 15 to 18mm on foot traffic and up to 24mm on driveways. Fix the trim at that height, string line the whole run, then prime. Trim pushed into a wet surface as an afterthought never stays where you put it.
Every trim profile, and what it is actually for
Eighteen profile families. Where Resin Rock stocks it, you can order it alongside your binder and aggregate. Every one links through to the full range on Resin Trims.
L channel trim
The workhorse edge. An L shaped profile that sets the finished height and holds a clean, straight line where a surface meets air, turf, gravel or a lawn.
Typical use: Resin bound driveway and patio perimeters, tile floor edges, threshold runs
Square edge trim
A crisp 90 degree finished edge with a flat visible face. The contemporary look, and the easiest profile to keep dead straight over a long run.
Typical use: Modern patios, pool surrounds, tile counters and steps
Round edge trim
A radiused visible edge that takes the sharpness off a corner. Safer underfoot and around children, and more forgiving of a knock.
Typical use: Pool decks, steps, seating edges, family bathrooms
J channel trim
A returned profile that caps and conceals the cut edge of a board or panel. Hides the substrate rather than sitting proud of it.
Typical use: Wall panel edges, cladding returns, vertical resin work
T channel trim
Sits between two finished surfaces at the same height and covers the join. The standard answer to a doorway between two rooms.
Typical use: Tile to tile transitions, doorways, long floor runs
Expansion joint trim
A movement joint built into the surface so thermal expansion has somewhere to go. Not optional on large exterior areas.
Typical use: Long driveway runs, commercial floors, sun exposed slabs
Bendable and flexible trim
Profile that follows a curve without kinking. Cuts out the mitre-and-pray approach on radiused edges.
Typical use: Curved paths, circular patios, kidney pools, planting beds
Reducers and transitions
Bridges two surfaces at different heights so there is a ramped, trip free change of level instead of a lip.
Typical use: Resin bound to concrete, tile to LVT, garage thresholds
Stair nosing
Defines and protects the leading edge of a step, and gives it grip. The single most safety critical trim on any job.
Typical use: Exterior steps, commercial stairs, decks
Tread edge trim
A lower profile step edge for treads that do not need a full nosing. Keeps the front of a tread from chipping.
Typical use: Shallow steps, thresholds, terraces
Cove trim
Curves the join between floor and wall so there is no square internal corner to trap water and dirt.
Typical use: Wet rooms, commercial kitchens, plant rooms, garages
Carpet trim and binder bars
Holds and finishes a carpet edge where it meets a hard surface, without the raw edge fraying.
Typical use: Carpet to tile, carpet to resin, stair edges
Niche trims
Frames a recessed niche so the internal corners read square and the tile edges are protected.
Typical use: Shower and bath niches, display recesses
Corner trim
Protects and finishes an external corner that would otherwise chip the first time something hits it.
Typical use: Wall corners, column returns, plinths
Decorative trim
Profiles chosen for how they look rather than only what they do. Feature lines, inlays and accents.
Typical use: Feature borders, inlays, display and retail work
Caps and end pieces
The parts most people forget until the day of install. Closes off a profile run so it does not finish on a raw cut end.
Typical use: Every profile run that stops rather than turns
LVT accessories
Trims and transitions sized specifically for luxury vinyl tile thicknesses.
Typical use: LVT to tile, LVT to carpet, LVT edges
Installation tools
Cutters, setting tools and the consumables that make trim work quick rather than fiddly.
Typical use: Every trade that fits profiles
Materials, finishes and sizing
The core range is aluminum. Outdoors that matters: it does not rot the way timber edging does, it does not rust the way steel does, and it holds a clean line under load. It also cuts cleanly on site, which is more than can be said for most plastic profiles once they get cold.
Finish choice comes down to whether the trim stays visible. Mill finish is the value option and largely disappears once the surface is laid against it. Clear satin silver reads bright and modern. Light and dark bronze sit better against warm aggregates, natural stone and darker blends, and they are what to specify when the profile is part of the look rather than just doing a job.
Size to your finished build up, not to the slab. Get that wrong and you either bury the trim or leave it standing proud, and both are visible from the street.
| Spec | Options | Notes |
|---|---|---|
| Material | Aluminum | Exterior rated. Will not rot or rust like timber or steel edging |
| Finishes | Mill, clear satin silver, light bronze, dark bronze | 20+ finishes across the full Resin Trims catalog |
| Common sizes | 5mm, 8mm, 1-1/8 inch and larger sections | Match the profile to your finished surface depth |
| Resin bound depth | 15 to 18mm foot traffic, up to 24mm driveways | Size the trim to the laid depth, not the slab |
| Range | 500+ profiles | Tile, stone, LVT and resin bound |
| Shipping | Nationwide US | Order edging with the job, not as a late add-on |
Fitting profiles so they stay put
Measure the build up first
Substrate, primer, laid depth. Your profile height is set by the finished surface, not by what is there now.
Fix mechanically, at height
Fix to the slab or edge restraint at the finished height. A profile relying on the surface to hold it will move.
String line the whole run
Eye is not good enough over 30 feet. A string line is two minutes and it is the difference between straight and nearly straight.
Curve with bendable, do not mitre
Bendable trim follows a radius cleanly. Cutting a straight profile into segments around a curve shows every joint.
Plan the movement joints
Long exterior runs and large areas need expansion joint trim designed in, not remembered afterwards.
Cap the ends
A raw cut end is the detail that makes a good job look unfinished. Caps and end pieces cost very little.
Then prime and lay
Everything above happens before the primer goes down. Trim set into wet material will not hold its line.
Edge detailing is one of the modules in Resin Rock installer training, because it is the part of a finished job customers look at first.
Trim and edge profile questions
What is the difference between Resin Rock trims and Resin Trims?
Same group, two jobs. Resin Rock stocks the trim profiles that resin bound installers reach for most often, so you can put edging in the same order as your binder and aggregate. Resin Trims is the dedicated trim supply brand with the full catalog, over 500 profiles across more than 20 finishes covering tile, stone, LVT and resin bound. If the profile you need is a common resin bound edge, buy it here. If you need a specific size, finish or a profile outside the resin range, go to Resin Trims.
Which trim do I need for a resin bound driveway?
L channel is the default. It sets the finished height before you lay, holds a straight line against turf or gravel, and stops the edge crumbling later. Use bendable trim wherever the edge curves rather than trying to mitre a straight profile round a radius, and plan expansion joint trim into long runs and large exterior areas so thermal movement has somewhere to go. Set every profile to the finished surface height, not the slab height.
What are the trims made from and what finishes are available?
The core range is aluminum, which is what you want outdoors: it does not rot, it does not rust the way steel does, and it holds an edge. Finishes include mill finish, clear satin silver, light bronze and dark bronze, with more than 20 finishes across the full Resin Trims catalog. Mill finish is the value option and disappears once the surface is laid. Bronze finishes are worth the extra where the trim stays visible against a dark aggregate or a stone patio.
What sizes do the profiles come in?
Profile heights are matched to finished surface depths, with 5mm and 8mm covering most tile work and larger sections including 1-1/8 inch covering resin bound depths. The right size is the one that matches your finished surface height, so measure the build up first: substrate, primer, and the laid depth of the surface itself. Resin bound is usually laid 15 to 18mm on foot traffic and up to 24mm on driveways, so pick the profile to suit the depth you are laying.
Do I really need trims, or can I just finish the edge into the ground?
You can, and it is the most common reason a resin bound edge fails within two years. An unsupported edge has nothing holding it, so it gets kicked, mowed against, driven over and eventually breaks away in pieces. A profile gives the surface something to bear against, sets a consistent height so the finish is flat, and gives you a straight line to trowel to. It is a small line on a quote and it is the difference between a job that looks finished and one that looks poured.
Can I get bulk or trade pricing on trims?
Yes. Bulk pricing is available through Resin Trims, and Resin Rock trade pricing applies to registered contractors and trade partners on the profiles stocked here. If you are running volume across multiple jobs, it is worth talking to an account manager rather than ordering piecemeal, because the freight saving alone on consolidated trim orders usually pays for the call.
How do I fit trim profiles to an existing concrete slab?
Set the profile before you prime, not after. Mark your finished height, fix the profile mechanically to the slab or edge restraint at that height, check it with a string line over the full run, and only then prime. Trim that gets pushed into a wet surface as an afterthought will not stay where you put it. Cut ends should be finished with a cap or an end piece rather than left raw. The Resin Rock training program covers edge detailing properly, because it is the part of a job people notice first.
Do you ship trims across the US?
Yes. Resin Trims ships across the United States, and profiles stocked on Resin Rock ship from the same seven distribution points as the rest of the range. Long profiles carry their own freight considerations, so order edging with the rest of your job rather than as a separate late order, and give yourself lead time if you need a specific finish rather than mill.
Open the full trim catalog at Resin Trims
Over 500 profiles in more than 20 finishes for resin bound, tile, stone and LVT. Bulk pricing available, and nationwide US shipping.
Not sure which profile fits your build up? Call (941) 415-0273 and describe the job. Trade pricing on Resin Rock is for registered contractors and trade partners.