LAYING CONCRETE FLOOR...150 MM CAVITY EXTENSION PT 4

IN THIS WEEKS VIDEO
LAYING A CONCRETE FLOOR ...150 MM CAVITY EXTENSION PT 4 WE SHOW THE WHOLE PROCESS OF INSTALLING A 100MM INSULATED CONCRETE SLAB IN OUR EXTENSION PROJECT.
YOU WILL SEE THE MOT HARDCORE LAYER, THE COMPACTION, THE SAND BLINDING LAYER ( WHICH PROTECTS THE DAMP PROOF MEMBRANE FROM BEING PUNCTURED BY THE STONE LAYER )
NEXT THE FIRST DPM (DAMP PROOF MEMBRANE ) NEXT THE 100MM PIR INSULATION ( IN 2.4M X 1.2 M SHEETS ) THE COLD 25 MM COLD BRIDGING STRIP GOES IN AT THIS STAGE TOO, LASTLY ITS THE 2ND DPM THEN ITS READY FOR CONCRETE WHICH WE POURED THE NEXT DAY AND WAS DELIVERED BY THE CONCRETE COMPAN. FINALLY WE LEVEL, TAMP THEN TROWEL FINISH THE CONCRETE.... ENJOY
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