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  2. SikaProof A-12, Flexible Polyolefin Sheet Membrane for Fully Bonded Below-ground Waterproofing (pre-applied), Exterior, Light Yellow, 1 M X 25 M
SikaProof A-12, Flexible Polyolefin Sheet Membrane for Fully Bonded Below-ground Waterproofing (pre-applied), Exterior, Light Yellow, 1 M X 25 M

SikaProof A-12, Flexible Polyolefin Sheet Membrane for Fully Bonded Below-ground Waterproofing (pre-applied), Exterior, Light Yellow, 1 M X 25 M

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SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Ambalaj 1 m x 25 m
Lăţime 2000.0 mm
Lungime 25000.0 m
Greutate Kg
Utilizare For experienced professionals only. Used for damp-proofing, waterproofing, and protecting basements and below-ground reinforced concrete structures, including precast, cast-in-place, and existing concrete
Baza chimică Torch-on modified bitumen membrane
Zona de utilizare Exterior
Culoare Light yellow
Condiții de depozitare The Product must be stored in original unopened and undamaged sealed packaging in dry conditions and temperatures between +5 °C and +30 °C. Store in a horizontal position. Do not stack pallets of the rolls on top of each other, or under pallets of any other materials during transport or storage
Densitate (1.65 +0.17 / -0.09) kg/m²
Consum N/A

FPO SHEET MEMBRANE FOR PRE-APPLIED FULLY BONDED BELOW GROUND WATERPROOFING

SikaProof® A-12 is an embossed polyolefin FPO sheet membrane for pre-applied fully bonded below ground waterproofing of reinforced concrete structures. Membrane thickness 1,2 mm. SikaProof® A-12 is cold-applied without heat or open flames to prepared substrates or onto formwork before fixing reinforcement and concrete placement. The membrane has self-adhesive longitudinal strips for bonding overlap joints and is laminated with a unique sealant and a non-woven fleece backing layer which creates a bond with the cast concrete.

  • Can be used as a methane and carbon dioxide resistant membrane when installed as a waterproofing membrane fully bonded to concrete according to BS:8485:2015+A1 2019.
  • Will restrict the ingress of radon into buildings from naturally occurring sources
  • Fully bonded to the reinforced concrete structure
  • No lateral water underflow between the concrete structure and the membrane system
  • Validated high watertightness
  • High flexibility and crack-bridging
  • Pre-applied, before fixing reinforcement and concrete placement
  • Easy to install with fully adhered joints (no welding required)
  • Cold-applied (no pre-heating or open flames)
  • Good tear and impact resistant properties
  • Temporarily resistant to weathering and UV-light during construction
  • Highly durable and resistant to aging
  • Resistant to aggressive elements in natural ground water and soil
  • Can be combined with other approved Sika Waterproofing / Joint Sealing Systems