MS 425 Facade Sealant
MS Polymer Adhesive and Sealant for facade joints
HARD MS 425 FACADE a sealant adhesive especially designed for building facades. Designed with MS Polymer technology, it has a low module and is solvent free. Designed to provide higher durability, it can also be painted and applied over damp surfaces.
The best option for sealing facades
The Anti UV-B additives, which can be found in the composition of MS 425 Construction, provide a sealant with high durability to weather and climatic agents. It does not contract, neither dries out, with an estimated useful life of up to 12 years, according to the NBR 15.575 performance standard.
The construction work doesn’t stop after it rains
The high percentage of base polymers in its composition allows the MS 425 Construction to be applied on damp surfaces, preventing you from having to wait until the sun appears to have your work dried.
It supports movement
Designed in a low elasticity module to meet the most diverse coefficients of expansion of materials used in bonded, painted and textured facades. Thus, allowing to seal the expansion joints eliminating risks of infiltration through long periods of time.
Benefits
Does not get yellow over time
Excellent aging and resistance to bad weather
Odorless
Applicable in green construction works, isocyanate and solvent free product
Permanent flexibility
Appliable to damp and wet surfaces
Applications
Application in facade expansion joints (painted and tiled)
Sealing of facades
Installation and sealing of metal, PVC and wood frames
Application in non-solidarization joints
Sealing of tile facade
Package
- Sachet 600g
- Cartridge 440g
- (Box with 12 pieces)
Colors
- Limestone gray
- White
- Black
- Brown
- Sand beige (available in cartridges only)
COMPOSITION
- Methoxy Silane Polymer (MS Polymer)
PROPERTIES
- Consistency: Viscous (doesn’t seep)
- Worktime: 10-30 min
- Hardness (DIN 53505): 25-35 Shore A
- Joint movement capacity: +/- 50%
- Elasticity module (DIN 53504): Low (M100%?0,5)
- Rupture stress (ISO 11600): 2.0 N/mm2
- UVB ray resistance (ASTM C1257): 8,000 hours
NOTES
- Application temperature (surface): 5°C to 40°C
- Work temperature: -40°C to 100°C
- Peak temperature (2 hours): 120°C
- Peak temperature (1 hour): 140°C
- Storage temperature: 5°C to 25°C
- Storage life: 12 months
Online calculator
Online calculator that simplifies the calculation for the amount of sealants and adhesives to be used in your work.
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Frequently Asked Questions
The performance of a sealant depends on the size of the expansion joint in which it will be used. To safely define the amount of product needed on your site, see the table below.
| PERFORMANCE GUIDE – SEALANTS | |||||
| PRODUCT | PACKAGE | FORM FACTOR | JOINT DIMENSIONS (WIDTH X DEPTH) | PERFORMANCE IN LINEAR METERS | |
| MS 425 Façade | 600g Sachet | Joint width larger than 10 mm 10 mm | 1:1 | 6 mm x 6 mm | 11,0 m |
| 8 mm x 8 mm | 6,2 m | ||||
| 10 mm x 10 mm | 4,0 m | ||||
| Joint width larger than 10 mm | 2:1 | 20 mm x 10 mm | 2,0m | ||
| 25 mm x 12,5 mm | 1,3 m | ||||
| 30 mm x 15 mm | 0,9 m | ||||
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