SikaProof® A+ 12

Appearance and colour

:

Light yellow membrane containing a light grey bonding layer

Composition Hybrid Layer

:

Cement modified polymer

Composition Membrane Layer

:

Flexible Polyolefin (FPO)

Product type

:

Membranes

Suitable for use on

:

Reinforced concrete base slabs | Reinforced concrete walls with single and double-faced formwork | Extension and reconstruction works | Prefabricated structures

Usage

:

Damp-proofing, waterproofing and concrete protection for basements

Membrane Thickness

:

1,20 mm

Roll length

:

20 m

Roll width

:

1,00 m or 2,00 m

Total Thickness (=deff)

:

1,75 mm (-5/+10 %)

Accelerated ageing in alkaline environment

:

Pass (28 d/+23 °C)

Adhesion in peel

:

≥ 2,00 N/mm

Ambient air temperature

:

+5 °C min. / +45 °C max

Durability of watertightness against ageing

:

Pass (12 weeks)

Durability of watertightness against chemicals

:

Pass (28 d/+23 °C)

Elongation

:

Machine direction ≥ 1100 % | Cross direction ≥ 1100 %

Flammable

:

Yes

Joint shear resistance ≥

:

100 N/50 mm

Mass per area

:

1,65 kg/m2 (-5/+10 %)

Modulus of elasticity in tension

:

≤ 35 N/mm2 (-/+10 %)

Resistance to impact

:

≥ 400 mm

Resistance to lateral water migration

:

Pass, up to 7 bar

Service temperature

:

-10 °C min. / +35 °C max.

Shelf life

:

18 months shelf life from date of production

Storage conditions

:

Dry conditions and temperatures between +5 °C and +30 °C

Substrate temperature

:

+5 °C min. / +60 °C max

Tensile strength

:

Machine direction ≥ 750 N/50 mm | Cross direction ≥ 750 N/50 mm

Watertightness

:

Pass (Method B, 24 h/60 kPa)

Reaction to fire

:

Class E