Home>Discussions>BATHROOMS>tile over laminate counter tops?
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Oldman
Re: tile over laminate counter tops?
Sandiepiper wrote:

We tiled a bathroom countertop about a year ago. We bought a new sink which was just slightly smaller than the existing hole so after cutting out the sink hole in both a piece of plywood and cement backer board we mounted both on top of the existing laminate top using an adhesive and then screwed it all together. It was ready to tile the next day. The plywood and backer board make the countertop a bit higher than 'normal' which is a bit easier on the back. It was a pretty easy job and we will probably do the same thing in our other two bathrooms.
I will try to add pics. Hope this helps.

Is there a danger from moisture and water from putting screw holes in the backer board?

Re: tile over laminate counter tops?
Oldman wrote:

Is there a danger from moisture and water from putting screw holes in the backer board?

You "have to" fasten the boards together with CBU screws (or roofing nails but CBU screws are better imo). The adhesive should be a thinset rather than a mastic under the CBU as thinset is more waterproof and will level the boards better.

HoustonRemodeler
Re: tile over laminate counter tops?

Painting the surface of the CBU with a waterproofing membrane such as hydroban or redguard will waterproof the counter including the screw heads/holes

Re: tile over laminate counter tops?

you could cover it with Kerdi too...lol

lovesoldhouses
Re: tile over laminate counter tops?

Great after pics!

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