Bituver Megaver AL TF

Elastomeric waterproofing membranes obtained from distilled bitumen compounds modified with SBS elastomeric polymers covered with aluminium (AL) metallic foil.

BITUVER Isover Saint-Gobain is one of the leading European manufactures of this type of product. .

Main uses

• High architectural value roofing, where metallic finishing is required
• Waterproofing layers needing metallic barriers
• Roofs where maintenance is difficult

Advantages

• Megaver AL TF membranes are classified as "Broof (t2)" on any type of substrate and inclination, according to the UNI EN 13501-5 standard, in compliance with "Soluzione 3/a" of the Fire Brigade Circular. no. 1324 of 07/02 “Guida per l’installazione degli impianti fotovoltaici VV.F.”.
• High architectural value, even on surfaces with difficult shapes
• reflective power (aluminium)
• Minimum maintenance requirements
• Assistance from the Isover Saint-Gobain technical team where required, e.g. application on insulated roofing

Other

Laying recommendations:

• the use of sheets with a maximum length of 5 m is recommended
• prevent direct contact of the metal with the torch flame in order to avoid damages to the sheet or detachments
• weld the sheets by mainly heating the underlying membrane
• it is preferable to use membranes reinforced with glass sheet or composite polyester as a first seal layer
• avoid site handling on the product, especially after torching
• it is good rule to wear suitable wide sole and heelless footwear so as not to damage the metal sheet
• use mechanical anchoring every 20 cm for slopes over 20%
• if used on insulation, make use of MEGAVER AL TF, by preparing a vapour barrier under the insulation material and an adequate number of aerators.