RUSTINS Quick Dry MDF Sealer - Professional Sealant for Rapid Results 500ml

Used this to seal some thick MDF on all surfaces before painting with a topcoat of external varnish. Wanted to really waterproof the MDF as it's going to have an aquarium standing on it. Two coats gave a good seal and was nice and smooth ready for the varnish. I did not find the MDF swelling or becoming uneven as some others have commented but my coats were not thickly applied. Dried very fast indeed. Good product and brush cleaned up well in water after use.

Very good easy to apply with a roller buy a game

I do tend to look for Ruskins with paint and the like, so I went for this when buying a new work bench with an MDF top (unfinished).Easy to apply, dries quickly so 3 coats didn’t take long and I have plenty left for my next task. Generally quite pleased with the results as it gives a good finish but I’ve found that water based things do still soak through so, obviously, 3 coats is not enough for unfinished MDF. When I have a moment, I’ll add another couple of coats.

This is very versatile and easily applied. After applying several coats my MDF project is looking great, easily painted over and I feel is now completely water resistant. That said, time will tell. Good value, good product, dries and prepares surfaces just as it advertises. Will use again.

Does what it says on the tin! Doesn’t smell awful and leaves a good thin coat to seal the MDF. This was used to prolong the life of furniture backs in a property that had some damp issues - and it saved our furniture!

Product is OK if you are not looking to paint the MDF to a mirror finish afterwards. The sealer is waterbased so although it does dry quite quickly, it still causes the fibres to swell slightly and leaves a slightly uneven textured finish.It would be perfect for some jobs where a very high quality finish is not required but if it is, I have had much better experience using shellac instead of this product as it dries far quicker and causes no swelling of the fibres, even on the edges.

Does the job

MDF Sellent was easy to use easy to put on but could od done with a bigger tin