TRADITIONAL ADHESIVE INSTALLATION

TRADITIONAL ADHESIVE INSTALLATION
prevnext

For the correct adhesive installation of LASTRA 20mm, it is recommended to follow the instructions below:


1.     PREPARATION OF THE SUBSTRATE

Prepare a layer of 10cm made up gravel and pebbles with 16-35mm granulomewww. Carry out a concrete bed with minimum thickness of 15-20cm and minimum inclination of 2%;


2.     BASE INSTALLATION

Spread a reinforcement bed of at least 5cm with electro-welded net at 2/3 of the thickness if necessary;


3.     INSTALLATION OF SLABS

Install the slabs with the double spreading method and using deformable cement-based premium adhesives (class C2S2 in compliance with EN 12004);


4.     JOINTS

It is recommended to place the slabs leaving a joint of at least 5mm  between each one using cement-based premium mortars  (class CG2 in compliance with EN 13888);


5.     EXPANSION JOINTS

Every 9-16 m² and depending on the size and shape of the floor, introduce expansion joints of 5mm minimum width. 


WARNING INSTALLED LASTRA 20mm >>