Clarification on expansion joint on opus floor

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DavieA

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513

Scotland

• Aug 23, 2011

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• #1 of 15

Im in need of some advice as this will be my largest job. Its 45m2 of travertine in opus lay over 3 rooms and am looking for the best method of inserting expansion joints as I tae it a floor that size will require them wheither it be an expansion joint which will be straight and break up pattern or a Silicon joint. Either way ive used neither and would appreciate any comments.

Cheers Guys

 

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Ian

• Aug 23, 2011

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• #2 of 15

Will the skirting boards be off? Also what is the square meterage of each of the 3 areas?

 

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Alan.P

• Aug 23, 2011

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• #3 of 15

What are the separate room sizes and doors etc, any chance of a sketch ?

 

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Alan.P

• Aug 23, 2011

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• #4 of 15

Beat me to it Bri lol

 

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Ian

• Aug 23, 2011

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• #5 of 15

Forgot to ask, is the floor wood/concrete/other?

 

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DavieA

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513

Scotland

• Aug 23, 2011

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• #6 of 15

Thanks for replies, plans not the best but hopefully help,
sub is ply with dural ci+ membrane.
Wet UFH
skirtings will be off
43m2 total but unsure of individual room sizes if i was to guess id say kitchen 16m2,hall 15m2, dining 12m2.

 

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Ian

• Aug 23, 2011

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• #7 of 15

If you are using dural and can leave a 10mm gap around the perimeter that will be covered with skirting then I personally wouldn't put an expansion joint in. One thing to make sure of is that door frames and architraves aren't fitted tightly over the floor as this is one place stress cracks could appear, especially on a wooden subfloor.

 

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Alan.P

• Aug 23, 2011

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• #8 of 15

If it was my job I would try and set out so that I had a oint across the door ways, this would be an expansion, with the skirting boards off you can leave 10mm around the walls, this would be expansion, that's me, others may differ.

 

D

DavieA

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513

Scotland

• Aug 23, 2011

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• #9 of 15

I will leave 10mm around perimeter for sure but wasnt sure if a strip or cold joint was required. facings will be off but any recommendations how to finish around door posts or itchen cabnets?

 

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Alan.P

• Aug 23, 2011

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• #10 of 15

The joint is down to you and the customer to decide on imo, as for door architrave, cut them so that the tile goes under, same for door stops, easier and better finish, kitchen units, apart from end of unit blanks, take off the kick plate and tile to the legs, kick plates can be adjusted by a joiner if needed.

 

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DavieA

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513

Scotland

• Aug 23, 2011

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• #11 of 15

Red 10mm expansion

Alan could you clarify what you mean by "set out so that I had a joint across the door ways" do you mean an expansion joint or just tile joint?

Would you be better to leave a 10mm gap around door post also and Silicon finish?

Cheers

 

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Last edited: Aug 23, 2011

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Alan.P

• Aug 23, 2011

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• #12 of 15

DavieA said:

Alan could you clarify what you mean by "set out so that I had a joint across the door ways" do you mean an expansion joint or just tile joint?
Cheers

Click to expand...

Both if possible when setting out.

DavieA said:

DavieA said:

Would you be better to leave a 10mm gap around door post also and Silicon finish?

Cheers

Click to expand...

I would leave 10mm but would leave a couple and yes, Silicon.

Click to expand...

 

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Alan.P

• Aug 23, 2011

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• #13 of 15

That was meant to read not 10mm but 2 or 3 mm

 

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DavieA

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513

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• Aug 23, 2011

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• #14 of 15

Ok, after removal of skirting, facings and stops leave a 10mm gap around perimeter and at door posts and end panels in kitchen leave a 2-3mm gap and fill with Silicon. Is that correct?

 

D

DavieA

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513

Scotland

• Aug 24, 2011

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• #15 of 15

Update -- customer no longer wants to pay for or have a decoupler installed. I've advised it would be of benefit. They have said they understand pros and cons but aren't willing to pay for it. Since its not mandatory on timber floors unlike screeds I'm going to continue with job.