
Primer and sealer
Primer 541
About this product
Any order over £2000, please contact us for a discount of 10%
Monocomponent water-based primer, indicated to unify the absorption of the support before applying, POOLCEM & Decopast
What it's for
- One-component, water-based primer.
- Evens out the absorption of the surface before PoolCem, Decopast and Plus Grueso.
- Bonds cement mortars to porous and non-porous surfaces: mortar, concrete, anhydrite, tiles, terrazzo, marble, stoneware.
- Indoor and outdoor.
Key specs
| Pack sizes | 1L, 5L |
|---|---|
| Coats | One or two. Two under Plus Grueso and Decopast. |
| Coverage per coat | 150–250 g/m². |
| Mixing | Absorbent surfaces (mortar, concrete, plaster, self-levellers): 1 part primer to 2 parts water. Non-absorbent surfaces (tile, terrazzo, marble): undiluted. |
| Drying and recoat | Dries in 2–4 hours. |
| Application | Roller or brush. |
| Application conditions | 5–35 °C. Not on damp or wet surfaces. |
| Cleaning | Water, straight away, before the primer dries. |
| Storage and shelf life | Closed original pack, out of direct sun. Protect from frost. Keeps at least 1 year. Shake before use. |
| Safety data sheet | Safety data sheets |
How to use
Prepare
The surface must be firm, clean, dust-free and dry. Remove contaminants mechanically (milling, shot-blasting or diamond). Sanding is not recommended.
Apply
Roll or brush on. Dilute 1 part primer to 2 parts water on absorbent surfaces; use it neat on tiles, terrazzo and marble.
Dry, then microcement
Let it dry for 2–4 hours, then apply PoolCem, Decopast or Plus Grueso.
You'll also need
Decopast Ready Mix MicrocementBase · Fino · Extra Finofrom £192.00Ready-mix microcement for floors and walls.
Poolcem MicrocementF6 · F4 · F2£198.00Waterproof microcement, indoor and outdoor.
Plus Grueso£168.00Base for very rough surfaces and tiles.
FAQ
Do I need to dilute it?
On absorbent surfaces, yes: 1 part primer to 2 parts water. On tiles, terrazzo and marble, use it undiluted.
Can it go over tiles?
Yes. It works on non-absorbent surfaces such as tiles, terrazzo, marble and stoneware.
How long before I apply microcement?
It dries in 2–4 hours.
How many coats?
One or two depending on absorption. Use two under Plus Grueso and Decopast.
How do I store it?
In the closed pack, out of the sun and protected from frost.
Liquid Metal FX
Made by finishers, for finishers
Over 30 years of hands-on experience in high-end finishes. Questions on your project? Talk to us.