Best Method to Impregnate MDF Kitchen Worktop Edges for Moisture Resistance & Durability

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#1 11454399 26 Oct 2012 22:43

Anonymous Anonymous

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Post #1
11454399 26 Oct 2012 22:43

Hello,
- what to impregnate (soak, paint?) the edge of a kitchen worktop made of MDF board? The CD has some paper stuck to it - I don't know if it shouldn't be painted either, and one of the edges - the non-rounded one is "raw". I have two such tops connected at an angle of 90 degrees and this combination also needs to be resistant to moisture. I have been looking for a solution on the net for some time and I do not find a serious answer.

Thank you in advance for your help
greetings
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#2 11454539 26 Oct 2012 23:32

saskia saskia

Level 39

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Post #2
11454539 26 Oct 2012 23:32

I do not think that the countertops are made of MDF, but regardless of whether it is or not, the connections of the kitchen worktops are made on the so-called "cookies" in two rows up and down.
The cup and the holes for them, and the surfaces between the holes, are lubricated with carpentry glue, and the upper 3-4 mm joints are lubricated with silicone of the color of the table top or colorless.
from the bottom, two screw clamps are inserted into the previously milled sockets.

Added after 9 [minutes]:
Bottom view and

side view

Green is glue, yellow is "cookies", and black dot is silicone.
#3 11455018 27 Oct 2012 09:36

Anonymous Anonymous

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Post #3
11455018 27 Oct 2012 09:36

saskia wrote:
I don't think the tops are made of MDF ...

I wrote from MDF because I think so; these are the most normal worktops available in every hypermarket and furniture store. Here Link to the side with these tops. As for the method of connection itself, in my case the matter is of secondary importance because I will not stick them together - I want to leave the connection as dismantleable. As I wrote, - I am looking for information about the most appropriate preparation for impregnating the edge created after cutting this countertop, this also applies to the edges created when, for example, cutting a hole for the sink. Silicone as a method is repeated many times in various forums, but according to many debaters, it is more a seal than an impregnation. I share this view, therefore I am asking for further suggestions .
I see; why don't I ask the manufacturer? Because there is no way :(

greetings
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#4 11456216 27 Oct 2012 15:03

balonika3 balonika3

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Post #4
11456216 27 Oct 2012 15:03

I varnished it with ordinary wood varnish. I would like to add that the end of the countertop touches the sink, so there is no shortage of moisture. A few years have passed and nothing is happening.
#5 11456366 27 Oct 2012 15:39

brofran brofran

Level 41

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Post #5
11456366 27 Oct 2012 15:39

balonika3 wrote:

I varnished it with ordinary wood varnish

It's a good idea to sand the edge before painting. I have applied several times with a chemically hardened varnish - it has been in use for several years.
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#6 11458666 28 Oct 2012 02:04

saskia saskia

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Post #6
11458666 28 Oct 2012 02:04

101pawel wrote:

saskia wrote:
I don't think the tops are made of MDF ...

I wrote from MDF because I think so; these are the most normal worktops available in every hypermarket and furniture store. Here Link to the side with these tops. As for the method of connection itself, in my case the matter is of secondary importance because I will not stick them together - I want to leave the connection as dismantleable. As I wrote, - I am looking for information about the most appropriate preparation for impregnating the edge created after cutting this countertop, this also applies to the edges created when, for example, cutting a hole for the sink. Silicone as a method is repeated many times in various forums, but according to many debaters, it is more a seal than an impregnation. I share this view, therefore I am asking for further suggestions .
I see; why don't I ask the manufacturer? Because there is no way :(

greetings

These countertops are chipboard.

If it is to be dismantled, butaprene covered with a strip of gray paper works best.
If the cut surface is even, you can veneer with a strip of veneer attached to the top, but as I wrote, butaprene works best with veneer, but thin enough to fit the shavings well.
#7 11473157 31 Oct 2012 21:14

Sołtys_Elbląga Sołtys_Elbląga

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Post #7
11473157 31 Oct 2012 21:14

Butapren does not help, even two layers, water will seep through. Usually, the back, side or 3 sides (not counting the curvature at the front) are glued with Rajman glue (hot) and a PVC edge saw. The paper under the table top is simply an advertisement for the company where it was produced. Before they are clamped, the joined tops should be stuffed with silicone, spread with a finger over the entire surface, both of them, and then firmly connected with screws. Of course, collect the excess silicone.
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#8 16866126 03 Dec 2017 20:34

droopi droopi

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Post #8
16866126 03 Dec 2017 20:34

Only and exclusively WATER GLASS. The wood sticks them in like water and when it dries it is like a clearcoat. There is NO better way.
#9 16866243 03 Dec 2017 21:25

wada wada

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Post #9
16866243 03 Dec 2017 21:25

Any varnish for wooden floors is good for impregnation - you just have to be careful with water-based ones, because the board swells a bit during painting, and after the first painting, lightly sand the swollen chips.
#10 16866560 03 Dec 2017 23:08

Parowy Parowy

Level 22

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Post #10
16866560 03 Dec 2017 23:08

Hello.

I used a polyurethane wood glue from the Soudal company, symbol probably 66 A.
I secured it with the edge of the hole for the sink, in the most ordinary cake top.
So far nothing is happening, a year has passed.

greetings
#11 16868845 04 Dec 2017 23:54

cezar80 cezar80

Level 27

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Post #11
16868845 04 Dec 2017 23:54

Soak it with polyester resin and it will be eternal, or if you look around, there are aluminum strips for joining plates or their edges, e.g. near the sink or kitchen.
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Topic summary

The discussion centers on methods to impregnate the edges of MDF kitchen worktops for enhanced moisture resistance and durability. Various techniques are suggested, including the use of wood varnish, polyurethane wood glue, and polyester resin. Participants emphasize the importance of sanding the edges before application and recommend using silicone for sealing joints. Some suggest that water glass provides superior impregnation, while others caution against water-based varnishes due to potential swelling. The conversation also touches on the use of aluminum strips for edge protection and the effectiveness of butaprene adhesive. Overall, the consensus is to ensure thorough sealing and impregnation to prevent moisture damage.
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