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Wooden floor gap filling
Make your sanded floors gap free!

Filling gaps can help exclude drafts and bring a uniform finish to your floor.

Wood can expand and contract as it a natural material; therefore over time filler can become loose and fall out. The most reliable is strip filling. Always make sure you work in a ventilated room if working with resin.

Method 1 – Resin Filling

The most common method of gap filling sanded floor boards is to use a resin mixed with the dust from the floor with 80 grit or finer sanding. This is the least effective way as it can easily crack and fall out, however this method is least costly.

After mixing the resin with the dust, you need to apply it with a flat spatula into the gaps.  This is often done after sanding to 80grit or more.

Hint 1: Any movement will cause the gap filling to crack and fall out; therefore you should make sure that all boards are firm and secure.

Hint 2: Before you fill over the top with resin filler, make sure that you fill any gap bigger than 6mm with papier mache, string or strips of wood. This helps ensure that the filling does not crack.

Method 2 – Flexfill

The second technique is to use flexible filler, with exactly 12% flexibility that comes in the form of a tube/gun.  The disadvantage of this is that it is very expensive however; the advantage is that it is less prone to cracking.  This process is completed after 80grit sanding.  Applied via a gun, the filler should be smoothed over with a filling knife.

It will take at least 12 hours for the filler to set so must be left. Once the filler has set, it can then be sanded and polished.

Method 3 – Solid Pine Strips

Closing gaps with solid pine is the best method for those who want the best finished result.

Specially manufactured strips of reclaimed pine are used and the strips are glued with a D3 PVA glue and hammered into the gaps. The strips are then chiselled of and polished.

Note:  There is a possibility that strip filling can still fail because of the natural movement of wood. The appearance of small splits can appear rather than complete failure as with resin, so strips are still the most reliable.

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"For the perfect wooden floor speak to Total Floor Care - We are experts with over 20 years experience in the flooring industry."
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