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ADHESIVES


1.


What substrate are suitable for installation of Tile/Stone?
Concrete, masonry,brick,cement blocks,plaster,Cement backer board,gypsum board,plywood,metal etc.



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2.


What is a thin set?
Tile adhesive applied to a thickness of 3-12mm.



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3. How do I decide the size of a notch trowel?
Following criteria should be applied while deciding the notch trowel size
a) For Tile/Stone size upto 300*300,use a 6mm*6mm notch trowel
b) For Tile/stone size upto 450*450,use a 6mm*9mm notch trowel
c) For Tile/stone size upto 600*600,use 12mm*12mm notch trowel for large tiles,rib,lug back tiles back butter the tile/stone in addition to applying the adhesive on the surface.
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4. What is the proper procedure to install a tile/stone using a thin set adhesive?
a) Dampen the substrate prior to spreading the thin set mortar
b) Mix the thin set mortar with latex/water
c) Slake the mix for 5-10Min
d) Spread the adhesive on the surface using the flat side of the trowel and then notch it with the notch end of the mortar
e) Spread the thin set mortar only so much as tiles can be installed in 10Min,spread less if it is hot.
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5. How do I prepare walls & floors for a thin set application?
Level the surface to industry standard ie 3mm in 10Ft.
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6.

What is open time?
It is the period of time during which the thin set adhesive maintains its ability to adhere to the tile and bond the tile to the substrate.

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7.

What is skin forming?
It is the time when the thin set adhesive losses its ability to adhere the tile

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8. What is pot life?
It is the period of time during which a material maintains its workable properties from the time it is mixed.
   
9. What is Initial/Final set time for thin set adhesive?
Initial set –approx 2 Hours
Final set –approx 10-12hours
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10. When do I install a mortar bed?
a) When level is uneven
b) When slope must be created and provided
c) Tile/stone are not in thickness
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11. What is a thick bed?
Cement mortar bed applied to a thickness 25-50mm and above.
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12. How can tiles be installed over a thick mortar bed?
Tiles/Stone installation over a mortar bed can be carried in the following Ways
a) Cured mortar bed. Allow the mortar bed cure and harden,then fix the tiles with a thin set adhesive.
b) Wet mortar installation Install the mortar bed and while it is fresh and wet,apply a slurry bond coat of thin set adhesive and fix the tiles.
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13. When can the thin set tile installation be opened to foot and heavy traffic?
Foot traffic-24hours
Heavy traffic-72hours


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14.


What are the advantages of adding latexadditive in place of water with the thin set adhesive?
The thin set mortar becomes more flexible,water resistant,stronger in bond & shear strength,resistant to thermal stresses and improved physical & chemical properties.



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15.


What do I use to install tile/stone over cement backer board?
For best results,use L 290 with L 333.Other products that can be used are L111 with L73



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16.


What do I use to install tile/stone over metal surface?
L290 with L333



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17.


What do I use to install tile/stone over metal surface?
L210 epoxy adhesive



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GROUTS:


1.


What is the joint width criteria for the selection of grout?
Upto 3mm,use a unsanded grout 3-12mm,use a sanded grout



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2 When should I start cleaning the cement grout?
Approx 30-45 min. Use a damp sponge to clean the grout, do not use excess water
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3. How long should I wait before sealing the grout?
48-72hours
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4.


What should I do when grouting porous tile/stone?
Apply a grout sealer prior to grouting



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5.


What is a stainless grout?
LSP-100 is a free epoxy grout, it is unaffected by most of the food,beverages,cleaning chemicals,dilute acid & alkalies.



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6.


What is the min joint width for the application of LSP-100 epoxy grout?
2mm



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22.


When should I start cleaning the epoxy grout?
Start the initial cleaning in approx 20-30 min with plenty of water,scrub the epoxy gently with the scrubber provided and clean with a turkey towel.Final cleaning should be carried out within 24hours



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23.


What is the time do I have once an epoxy grout is mixed?
Approx 304-5min



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