technical information sheet

B3a PLUS
Ref.: 1820GB1
  INTRODUCTION

B3a PLUS is a glass reinforced polymer (SBS) modified bituminous membrane finished on its upper surface with an embossed aluminium foil and on its lower surface with fine sand. The B3a PLUS binder has been designed specifically to be laid under mastic asphalt.

The selvedge is 60 mm.

  
  USAGE

B3A PLUS is used as a waterproofing base layer under mastic asphalt in an inverted roof system. It is installed by pouring and rolling in hot applied bitumen.

PRESENTATION

Rolls of 10 m2 (10 m x 1 m), with a nominal weight of 38.9 kg.
25 rolls per pallet

STORAGE

Rolls to be stored upright and away from heat.

  
 
COMPOSITION
Glass reinforcement.......................................................... 50 gm/m2
Elastomer (SBS) binder + special fillers (impregnation and coating). 3,140 gm/m2
Surface: surface: aluminium 16/100° ................................. 410 gm/m2
Under surface: Sand.................................................. 300 gm/m2


CHARACTERISTICS

binder
Melting point (ring & ball) NFT 66.008................................... 110° C
Penetration @ 25° C NFT 66.004.................................. 40/10 mm

CHARACTERISTICS
finished product
Tensile strength (NFG 07.0010) : length/width................. >400 N/5 cm
Elongation at break (NFG 07.001) : length/width............ 3/3 %
Cold bend 20 mm f mandrel, no cracking @...................... - 15° C
Slump resistance, vertical................................................ 100° C
 
  The manufacturer reserves the right to modify, at any time, the characteristics of its products. The characteristics mentioned above are indicative only with tolerances in accordance with current standard practice.  
 

West Road, Ransomes Europark, Ipswich, Suffolk, IP3 9SX

Tel: 01473 724056 - Fax 01473 723263

email sales@axterltd.co.uk

  17 June 1997