
Fundament
Bituminous felt for horizontal insulation
Application:
- Horizontal damp proof insulation of buildings and underground parts (type A)
- Especially recommended for applying on foundations for masonry load-bearing and partition walls
Properties:
- Tight under pressure
- Resistant to being picked up by the wind during installation
- Provides continuity with underfloor insulation
- Ensures stability of masonry walls
- Does not require welding or adhesives
- Ensures quick and easy installation
- Allows connection to vertical foundation waterproofing
Available packaging:
- 0,25 m, 0,33 m, 0,50 m
Type of reinforcement | glass veil |
Thickness | (2,0 ± 0,2) mm |
Reaction to fire | class E |
Watertightness: |
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Coating on the bottom side | foil |
Coating on the top side | fine-grained topping |
Durability: |
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Maximum tensile force: |
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Resistance of the joint: |
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Resistance to tearing: |
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Width | 0,25 m |
Low temperature flexibility | ≤ 0°C |
Reference document(s) | EN 14967:2006; |
Making an insulation using NEXLER Fundament bituminous felt should be carried out according to the technical design, in accordance with the current building regulations and the detailed guidelines for the design and execution of insulation contained in NEXLER Insulation Systems and the Technical Data Sheet.
The bituminous felt should be installed in ambient temperatures of above +5°C, this requirement applies to the time of day and night.
Do not carry out insulation work during strong winds and precipitation.
Get more details

Waterproofing foundations in a single-family home
Foundation waterproofing is a key stage in the construction of a single-family home, which determines the durability and functionality of the building.
See also

BITFLEX 1KP
Thick-layer waterproofing compound (PMBC ) modified with polymers with a polystyrene filling
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BITFLEX 2KP
Two component thick-layer waterproofing compound (PMBC) modified with polymers with a polystyrene filling
Find out more SYSTEM
PJ PYE PV200 S40 for detail work
Heat-weldable underlayer bituminous felt for detail work
Find out more SIMILAR