bituFLAME is a fully reinforced polymer modified bitumen membrane which
come in 1.0M wide x 10.0M long rolls the base sheets are 2.5mmand 3mm
thick the cap sheets 3mm sand finish and 4mm granule finish. BituFLAME
offers some specialist systems BituFLAME Viaduct for carparks, bituFLAME
Antiroot for tanking , and bituFLAME re roof , for over laying old bitumen substrates , and bituFLAME 2 layer system for decks under timber raft or tileJaks with structural pavers.
Scope of use
bituFLAME torchon membrane system complies with the NZBC as an
alternative solution BRANZ appraisal number (404) for use on roofs,
decks and for potable water supplies. The bituFLAME modified bitumen is
an APP type which provides greater elasticity, flexibility and is
further enhanced with a blend of Thermoplastic Polymer (TPP) and
Elastoplastic Copolymer (EPC) for high heat and UV resistance excellent
elongation and low temperature flexibility. One of the advantages of
bituFLAME there is a specialist membrane system for roofing, tanking,
planter boxes, and green roofs, ballast roofs, re-roofing old bitumen
membranes, tunnels and carparks the best range available. bituFLAME is
BRANZ appraised for timber raft and tileJAK systems. Detailed drawings
are available for download on the WPS web site. When you use bituFLAME
the 20 year warranty document comes with a maintenance schedule for the
owners with guidance notes.
New Zealand Building Code (NZBC)
The product will, if employed in accordance with the supplier's installation and maintenance requirements, assist with meeting the following provisions of the building code:
- Clause B2 Durability: Performance B2.3.1(b)
- Clause E2 External moisture: Performance E2.3.1, E2.3.2
- Clause F2 Hazardous building materials: Performance F2.3.1
The product meets the requirements set out in the following documents, or relevant parts of cited standards within the documents:
bituflame meets the following
B2 Durability Performance B2.3.1(b)
E2 External Moisture E2.3.1 and E2.3.2
F2 Hazardous Building Materials F2.3.1
Potable water certified.
The product has and can make available the following additional evidence to support the above statements:
Use in Service History
Waterproofing Systems NZ Ltd bituflame has a in service history in NewZealand since 2008 , previously polyFLAME first introduced to the Market 19 years ago.
Plywood and concrete substrates to be clean and fully dry/cured. Plywood to be tight-butted, securely fixed and well supported to prevent movement. Slope to be sufficient to drain all surfaces.
All substrates to be primed, ensuring good even coverage and penetration. All membranes to be torched to the substrate and all laps seam welded. Bituflame roof vents to be installed on skillion type roof spaces.
All exposed sand-finished membranes to be coated with a UV reflective coat.
Refer the Waterproofing Systems installation guidelines and specifications.
All installations to be completed by a Waterproofing Systems Licensed Applicators.
The Membrane roof and deck systems , including any areas with a UV coating applied , must be regulary(at Least annually) checked for damage , rubbish , debris or coating breakdown.Damage such as small puntures and tears must be repaired and coatings reapplied as recommended by Waterproofing Systems NZ ltd. Special care must be taked when inspecting the membrane roof system to ensure the continuing prevention of moisture ingress , and repairs must be undertaken where required. Drainage outlets must be maintained to operate effectively.
When installed in accordance with the manufacturer's
specifications bituFLAME is performance warranted to remain waterproof
for up to the first 15 - 20 years of an indefinite service life. A full
product warranty is issued on completion, together with a workmanship
warranty from the approved applicator.
Water is not contaminated by bituFLAME Roof & Deck Membranes.
Though bituFLAME wont contaminate water , it must be noted that all water collected off roof surfaces made from any material is considered to be non - potable due to possible contamination from other sources.
Water collection in this way can only be considered potable if it has been passed through a suitable sterilization system.