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SikaFlex-1A Plus - PU caulking and expansion joint sealant - Sika
Sikaflex-1A PLUS is a one-component, low modulus, moisture curing, elastic sealant.
Volume discounts
Quantity | You Save | Unit price |
---|---|---|
10 | 5 % | €17.00 |
20 | 8 % | €16.46 |
SikaFlex-1A Plus - PU caulking and expansion joint sealant - Sika
Sikaflex-1A PLUS is a single-component elastic sealant with a low modulus of elasticity, polymerizing with humidity in the air.
Features
- Very good resistance to atmospheric conditions
- Work rate tolerance ±50% (ASTM C 719)
- Polymerization without bubble formation
- Little tension on the support
- Easy to extrude and easy to implement
- Good adhesion on many substrates
- Solvent free
- Very low VOC emissions
Application areas
Sikaflex-1A PLUS is developed for elastic jointing and sealing of movement and connection joints in the building envelope.
Due to its very low modulus of elasticity, Sikaflex-1A PLUS is also suitable for use with facade insulation systems (ETICS).
Application
- The support must be clean and dry, sound, homogeneous, free of oil, grease, dust and friable or loose particles.
- Sikaflex-1A PLUS adheres without the use of primers or activators.
- However, for optimum adhesion and critical high performance applications such as working on multi-storey buildings, for high stress joints or where exposed to extreme weather conditions or water immersion, it should be use the following primers and/or proceed with the following preparation procedures.
Non-porous substrates:
- Aluminum, anodized aluminum, stainless steel, galvanized steel, powder coated metals or ceramic tiles should be cleaned and pre-treated with Sika Aktivator-205 using a clean cloth .
Maintain an evaporation time of at least 15 minutes (maximum 6 hours) before applying the mastic. - All other metal surfaces such as copper, brass and titanium zinc should also be cleaned and pre-treated with Sika Aktivator-205 using a clean cloth.
After an evaporation time of at least 15 minutes, apply a coat of Sika Primer-3 N using a brush.
Maintain an evaporation time of at least 30 minutes (maximum 8 hours) before applying the mastic. - The PVC must be cleaned and then pre-treated with Sika Primer-215 using a brush.
Maintain an evaporation time of at least 30 minutes (maximum 8 hours) before applying the mastic.
Porous substrates:
- On concrete, aerated concrete, cementing, mortars and bricks, apply Sika Primer-3 N with a brush.
Maintain an evaporation time of at least 30 minutes (maximum 8 hours) before applying the mastic.
Important Note: Primers are adhesion improvers.
They do not in any way replace careful cleaning of the support, nor do they significantly improve the cohesion of the support.
Consumption
The dimension of the joint must be calculated in order to be able to absorb the movement capacity of the mastic.
In general, the width of the joint should be > 10mm and < 40 mm.
A width:depth ratio of ~2:1 must be respected.
Conditioning
600ml pouches:
- Concrete Gray
- Midgrey
- basalt gray
- White
- Black
- Dark brown
- Beige
- Dark beige
Data sheet
- Signal word
- WARNING
- Hazard statements
- H317 – May cause an allergic skin reaction.
- Hazard pictogram
-
GHS07 - Harmful
Specific References
- EAN13
- 7612894996463
Download
fact sheet-tech-sikaflex - 1a +.
Technical data of the product Sikaflex - 1 has +.
Download (336.26KB)remplis son objectif pour joint de façade ; je l'ai utilisé sur un joint parasismique de 4 cm
Parfaitement conforme à mon attente!