Bitumen

PRODUCT DESCRIPTION AND INTENDED USES:
GAST TWIN-FLEX Bitumen – Rubber Reinforced Membrane is a gee-fabric reinforced waterproofing membrane which is fully saturated with a rubber enriched bitumen emulsion where the sealing of areas adjoining existing torch-on membranes or other thick membranes can be repaired or extended on flat concrete roofs, beams, slabs and parapet structures or where a torch-on system is replaced with GAST Eco Roofseal.

FEATURES AND BENEFITS:
A tough all in one fully bonded waterproofing system for exposed areas that demonstrates excellent adhesion to most surfaces while retaining flexibility.

COVERAGE:
0.5m² – 3m² (surface profile and substrate porosity dependent).

RECOATING:
Allow 4-6 hours between coats, 1 bed coat and 2 saturation coats required when used with the gee-fabric.

LIMITATIONS:
Functional coating that requires a GAST UV Barrier

PRODUCT DESCRIPTION AND INTENDED USES:
GAST Silver-Aluminium UV Barrier is a modified bituminous aluminium paint, primarily used as a UV Barrier to GAST UB7 and Guard-Flex membranes.

FEATURES AND BENEFITS:
This product has a 3 year maintenance cycle. High lustre aluminium finish that allows for good UV resistance and heat reflection, providing an increased life expectancy to the substrate.

COVERAGE:
7-9m²/I per coat depending on the type of surface to be painted (profile, texture and porosity).

RECOATING:
Allow 24hrs between coats, min. 2 coats required.

LIMITATIONS:
New bitumen surfaces should be weathered for a period of 4 weeks prior to the application of GAST Silver-Aluminium UV Barrier.

PRODUCT DESCRIPTION AND INTENDED USES:
GAST Guard-Flex is manufactured from modified bitumen reinforced with a non-woven polyester fabric and fibreglass mat in both 3mm & 4mm thicknesses.

FEATURES AND BENEFITS:
GAST USA Guard Flex possess excellent ageing resistance and dimensional stability making it suitable for solving the most difficult waterproofing problems on flat, sloping and pitched roofs.
Application to reinforced concrete, prefabricated concrete, masonry cement, metal and timber decks and terraces, with or without thermal insulation and for renovation purposes including parking decks and retainer walls.
Guard-Flex is robust and stable due to the incorporation of two reinforced materials i.e. strength from the polyester and stability from the fiberglass mat.

3YR MAINTENANCE REQUIRED – 10YR WARRANTY

PRODUCT DESCRIPTION AND INTENDED USES:
GAST UB7 Bitumen – Rubber Reinforced Membrane is a geo­fabric reinforced waterproofing membrane which is fully saturated with a rubber enriched bitumen emulsion that is primarily used as a waterproofing system for metal box gutters, flashings, sealing joints, laps and roofing screws on various profiled metal roof coverings.

FEATURES AND BENEFITS:
A tough all in one fully bonded waterproofing system for exposed areas that demonstrates excellent adhesion to most surfaces while retaining flexibility.

COVERAGE:
0.5m² – 3m² (surface profile and substrate porosity dependent).

RECOATING:
Allow 4-6 hours between coats, 1 bed coat and 2 saturation coats required when used with the geo-fabric.

LIMITATIONS:
Functional coating that requires a GAST UV Barrier.