TILES and ROLLS HEAT WELDING PROCESS

TILES and ROLLS HEAT WELDING PROCESS
TILES and ROLLS HEAT WELDING
PROCESS
Minimum 12 hours after gluing
HEAT WELDING FOR ROLLS
Leave a small gap (thickness of a credit card) between the sheets during the gluing process
HEAT WELDING PROCESS:
Heat welding is a three phases process after the flooring has been laid.
• 1 - A GROOVING OR ROUTING
FOR ISOPHONIC AND /OR FOAMBACKING PRODUCTS
Groove all the Solid PVC layers until the fibreglass
chamfer
All solid PVC layers
Foam backing
FOR HOMOGENEOUS AND COMPACT PRODUCTS
Grooving
Groove 2/3 of ALL the compact solid PVC layers
chamfer
2/3 of ALL the compact solid PVC layers
GROOVING and ROUTING TOOLS
MANUAL GROOVE-CUTTING
Tools required: Triangular scraper and a steel rule
Chamfering
Width: 3.3 to 3.5 mm
Depth: 1.5 to 1.8 mm
Profil of a circulat saw blade
ELECTRIC GROOVER / ROUTING
MACHINE
Electric grooving machine equipped with a
3,3 mm width circular plate
• 2 - HEAT WELDING
Note:
Always practice on a scrap piece of material first to assure proper temperature and speed. Doing so will prevent failures.
Manual weld with a SPEED NOZZLE
Weld with welding robot ( required on large project)
Use a Universal or Unifloor type Leister welder with electronically
controlled hot air burner air with special multiple fine jets
Nozzle reference:
ROMUS : 95254
JANSER : 225 860 040
LEISTER : 105 407
For flooring with a photoreticulated surface treatment (Protecsol®, PU), use the Rapid Ultra nozzle, diameter 5 mm, air
inlet 0.9 mm, ref.: 224 800 007 from Janser or the narrow
nozzle on the automatic welder.
TRIMMING WELD ROD
Trimming must be done in two passes
Using a trimming tool sharpen in the middle only, such as
the Mozart, is recommend:
First stage:
Has to be done with with the thickness guide
Second stage:
Second trim has to be done with the trimmer only
This method prevents concave welds and must be done
when the rod is cold.
Available from Gerflor
Réf. : 0561 0001
Spare blade:
Réf. : 0542 0001
HEAT WELDING THE WALL COVERING
Fixing lengths
Chamfering
Mural Ultra: Gap between lengths: 1 mm + 0.5 - 0 mm
Tools
Use
Ensures that joints are uniform. Eliminates traces of adhesive that prevent the welding rod from fusing
Triangular scraper
Angle the triangular scraper so that each edge is
chamfered separately and identically.
Chamfering may require several passes.
Welding
Hot Jet S or
Leister Triac type fitted
with a Rapid Ultra nozzle
CR 40 rod: Air gun: Hot Jets: position 4
(80 l of air/ mn) Leister Triac:230 l of air / mn
Temperature: 450 to 500°, position between 4 and 5
Trimming
Slim levelling spatula
Mozart levelling spatula
1/4 moon cutter + cutting guide
A levelling spatula sharpened in the middle trim only the rod
and avoids cutting the material
Fixing lengths
Taradouche Mural: Gap between lengths: 1 mm + 0.5 - 0 mm
Tools
Use
Ensures that joints are uniform. Eliminates traces of adhesive that prevent the welding rod from fusing
Triangular scraper
The thikness of this material requires each selvedge
to be chamfered separately with a triangular scraper
Chamfering
Welding
Making flush
Comments
The
Lesrecommended
outils
tools
are available
recommandés
from Janser, Romus
sont disponibles
orchez
Wolff
JANSER ou
ROMUS ou WOLFF
Hot Jet S type fitted with
a Rapid Ultra nozzle
CR 41 rod.
Hot air: position 4 (80 l of air/mn). Temperature: 450 to 500°, position between 4 and 5.
Leister Triac fitted with a special nozzle
Hot air: 230 l /mn. Temperature: position between 4 and 5.
The nozzle should be cleaned after every weld.
Slim or Mozart levelling spatula
1/4 moon cutter + levelling guide
A levelling spatula sharpened in the middle trim only the rod and avoids cutting the material.
HEAT WELDING FOR TILES
Tiles must be tight
Tiles must be hot welding as soon as they have a format more than 500 x 500 mm
For welding tiles, proceed as follows:
• Chamfer, weld and trim all in the same way eg: crossway before starting again to groove, weld and trim on the other side.eg: lengthway. This method
avoid weld missing at the cross tiles.
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