Casali Dermabit Extra
High-performance torch-on waterproofing membrane for multi-layer applications, with or without insulation. Following project evaluation, may be used for single-layer applications.
The compound used in Dermabit® membranes contains distilled bitumen and the latest generation of technopolymers (APAO) that ensure excellent properties of flexibility, elasticity and adherence as well as making Dermabit extremely resistant to aging.
Product Pluses: Guaranteed by more than 25 years in the field, certified solutions, versatile and reliable at any latitude, extensive thermal operating range (-25°C to +150°C), fast and easy to apply, excellent resistance to UV and aging.
Laboratory Tested and Appraised by:
|
Lab Test |
Standard |
u.m. |
Dermabit Extra 30160 (Base) |
Dermabit Extra 43170 |
|
Thickness |
EN 1849-1 |
mm |
3 |
4 |
|
Mass per unit area |
EN 1849-1 |
kg/m² |
3 |
5.2 |
|
Ultimate tensile strength |
||||
|
– Resistance at break – Longitudinal |
EN 12311-1 |
N/5cm |
700 |
850 |
|
– Resistance at break – Transversal |
EN 12311-1 |
N/5cm |
600 |
650 |
|
– Elongation at break – Longitudinal |
EN 12311-1 |
% |
40 |
40 |
|
– Elongation at break – Transversal |
EN 12311-1 |
% |
40 |
40 |
|
Tearing Resistance |
||||
|
– Resistance at break – Longitudinal |
EN 12310-1 |
N |
150 |
170 |
|
– Resistance at break – Transversal |
EN 12310-1 |
N |
150 |
170 |
|
Flexibility at low temperatures |
EN 1109 |
°C |
-25 |
-20 |
|
Creeping at heat |
EN 1110 |
°C |
+150 |
+150 |
|
Thermal aging in air |
EN 1296 |
∆ t°C |
5 |
5 |
|
Reaction to fire |
EN 13501-1 |
BS 476 |
F.AC Rating |
F.AA Rating |
Thanks to the use of reinforcement with a high mass per unit area and continuous non-woven polyester stabilised by means of glass strands, Dermabit Extra guarantees outstanding mechanical performance and dimensional stability (±0.2/0.3%)
Casali Dermabit Extra is specially designed for large surfaces subject to high thermal stress due to direct sunlight or high temperature build up.
The top is finished in silica sand, natural or black slate chips disseminated uniformly and firmly anchored; there is a smooth bottom finish in torched off polyethylene sheets.
WQIP Building
Due to the location of the building in the Wynyard Quarter there is a high concentration of contaminants, high water table and saline. A waterproofing membrane was required not only to handle hydrostatic pressure but also to act as a vapour barrier protecting indoor air from potential ingress of hydrocarbon vapours.
READ MORESt Mary’s College
Tanking to footings and precast panel retaining walls, lift pit and storage areas, plaza deck, roof and gutters
READ MOREASB Building - North Wharf
In the ASB project, Casali features across the roof expanse of buildings 22 and 23, including in roof gutters on external balconies and beneath timber decking. It is used in the landscaped area and external plant area and under parapets.
READ MORESudima Hotel (Roofing)
The building of a 4.5-star environmentally friendly roof that would reflect the high New Zealand UV, provide a water collection option, not contaminate water going to storm water and provide a 20-year product and labour warranty.
READ MORECasali Roof Maintenance (Building Owner)
Casali - Water Test Approval for Drinking Water Collection
Casali - BRANZ Appraisal
Casali Warm Roof - BRANZ Appraisal
Casali Dermabit Extra - Technical Product Info
Casali Dermabit Extra - BBA Approval
