Wakol Z615 Self Levelling Compound

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Wakol D3045 Primer

How We Fit a New Parquet Wood Block Flooring

© Copyright Author Gary Hughes/Woodfloor-Renovations
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In November/December 2013 we were asked to install a new oak parquet wood block floor for a repeat client in Flint, North Wales, We had to carefully prepare the sub floor as the slab was laid in July this year...We chose to use all the sub floor preparation products from one supplier WAKOL, we used their PU280 liquid moisture suppressant, their little known about [here in the UK] D3045 specialist granular primer, and also their excellent Z615 self levelling compound, which gave us a superbly flat and sound sub floor on which to lay the new Havwoods rustic oak parquet blocks.

The parquet blocks we used for this project were from one of the top suppliers here in the UK, Havwoods, we specified their 230 x 70 x 22mm Rustic Oak blocks as these matched almost perfectly the size and look of the rustic oak parquet blocks in the adjacent open plan Dining Room.

The first thing to do when we arrived on the first day was to thoroughly vacuum the sub floor [concrete] which, as i mentioned was laid in July 2013 at a depth of 4 " [100mm] with a mechanical DPM underneath [vis queen sheet] most people know that you must allow the concrete sub floor to dry/cure properly before any type of wood floor is fitted, a typical drying rate for the concrete is 1mm per day, which would be for the first 50 days, after which the concrete will dry out at 1/2mm per day, meaning you must wait an absolute minimum of 150 days before fitting a wooden floor.

We applied 2 x coats of the rather excellent Lecol PU280 liquid dpm [moisture suppressant] to the sub floor, you can see from the pictures the difference in how the sub floor looks when both one and two coats of the liquid dpm had been applied.

Now people reading this may be thinking why do you need to apply a moisture suppressant to a sub floor which already has a vis queen dpm underneath the slab ?...Even though the sub floor [concrete slab] had a pretty low m/c [moisture content] of 1.5% when we inspected and did our comprehensive tests, its prudent to apply a moisture suppressant to ensure any residual moisture is kept away from the new wooden parquet flooring as much as possible.

After the 2 coats of Lecol PU280 had dried, we then applied Lecol D3045 over the liquid dpm, the purpose of this product is to form a bridge between the polyurethane dpm and the self levelling compound, if the D3045 wasn't used, and the self leveller was applied over the dpm its extremely likely the self leveller would not adhere correctly to the dpm resulting in an expensive failure !!

After the D3045 had dried properly [in about 1 hour] we then mixed and laid the Lecol Z615 self levelling compound, now although I've used the Z615 many times before, the product batch we used was a new 'low dust' formulation and I'm happy to report it was a delight to both mix and also lay.

One of the many reasons we use Lecol Z615 is it's extremely high nm [newton metre] strength of 43, and any DIYers reading this should know that a minimum nm strength of 25 is needed in the sub floor when laying a wooden floor...not a lot of people know that...As you can clearly see from the pictures below, after the sub floor has been self levelled there is a nice flat, clean [and strong] surface on which to lay the new parquet material.

The specialist parquet adhesive we used on this project to full contact bond the parquet wood block flooring to the sub floor was the superb Lecol MS250 Plus, this is a really strong adhesive, and is ideal for full contact bonding of the material [new parquet blocks] to the properly prepared sub floor.

Now anyone reading may just of noticed a common thread throughout this article, in that all the products we used are from the same company, in this case Lecol [now rebranded as Wakol]

It's extremely important to do this, as if a different manufacturers adhesive is used on top of the self leveller [from Wakol] and there is a failure somewhere along the line, then its very likely the manufacturers will point the finger of blame at each other...Whereas when all the products are used from the same supplier, there is only one port of call in the event of the unthinkable happening !!

  • Parquet Wood Block Floor Installation by Woodfloor-Renovations Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • Parquet Wood Block Floor Installation by Woodfloor-Renovations Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • Parquet Wood Block Floor Installation by Woodfloor-Renovations Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • Parquet Wood Block Floor Installation by Woodfloor-Renovations Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • Parquet Wood Block Floor Installation by Woodfloor-Renovations Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations
  • New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations New Oak Parquet Wood Block Floor Installation by Woodfloor-Renovations
     

The finished new oak parquet floor looked absolutely stunning when the 3 Coat Lecol Lobador Viva lacquer system was applied...our customer thought so anyway...so did we ;-))

The above picture rotator shows some of the pictures we took during the sub floor preparation, and the sanding and sealing of the area...You can then scroll forwards or backwards through the pictures at your leisure.
*NB* Woodfloor-Renovations would like to thank Mr. Duncan Conlan , [Lecol UK Sales Manager] for his help and valued technical expertise on this project...Many Thanks Duncan.


The opinions and views expressed in this article are those of Woodfloor-Renovations through our experiences with the numerous Floor Sanding & Sealing projects that we have undertaken.

Woodfloor-Renovations is a Bona Approved and REcommended Company recommended company, you can find us on Bona's Find your contractor page on their website


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The links below are Product Technical information sheets from the Manufacturers and should be of use. They are all PDF Files and clicking on the links will open your computers PDF reading program.

 

 

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Wakol PU280 Express Primer Liquid DPM

 

Lecol Wakol MS250 Plus Psrquet Adhesive