Silfix® LM
Verified by manufacturer over a year ago
Premium alkoxy, neutral cure silicone sealant, for perimeter sealing of windows and doors.
Application
Suitable for:
- Good adhesion to a wide variety of surfaces including un-plasticized polyvinyl chloride (PVC-U), coated timber, brickwork, concrete, glass-reinforced plastic (GRP), stainless/ galvanised steel, aluminium and lead.
- Sealing penetration joints, gutters, fascias, trims and flashings in domestic and metal-clad buildings.
- Perimeter pointing and sealing around timber, metal and PVC-U windows and doors.
- General applications around the building envelope for internal and external use.
Description
A single part, neutral cure, silicone sealant which offers good all-round performance and durability in most construction joints.
Features and benefits:
- Good tooling and application characteristics.
- Cures to form a durable weatherproof seal flexible at low and high temperatures.
- Non-oxime based cure.
- Conforms to EN 15651-1: F-EXT-INT-CC, EN 15651-2: G-CC, Tested by BSRIA and shown to be effective in meeting the requirements for DW144 Class C High-Pressure Ductwork up to 1500 Pa (Report No. 58936/2).
- Base technology: Silicone polymer.
- Curing system: Neutral cure - Alkoxy.
- No slump.
General information
Color | Black Brown Grey White Other Guidance for specification option:
|
Material | Silicone |
Uniclass | |
CAWS | G20/950 Fascias/ barges/ soffits G20/99 Fascias/ barges/ soffits L10/810 Sealant joints L20/80 Sealant joints L20/820 Sealant joints N10/460 Sealant N10/760 Sealant bedding and pointing N10/80 Sealant R10/11 Aluminium gutters R10/360 Sealant for gutters |
Product range |
Specification data - Silicone glazing compounds and sealants
Standard | To EN 15651-1 and EN 15651-2. |
Third party certification | BSRIA. |
Material | Neutral cure. |
Class | F-EXT-INT-CC to EN 15651-1 and G-CC to EN 15651-2. |
Colour | Anthracite (RAL 7016).Black.Brown.Grey.Translucent.White.Teak/ Rosewood.Toffee/ Caramel. |
Adhesion | Excellent. |
Movement | ±25% (accommodation). |
Chemical resistance | Good to dilute acids and alkalis. |
Hardness (shore A) | 24. |
Cure speed | 2 mm per 24 hours (+23°C/ 55% RH). |
TensileStrength | ~1.5 N/mm². |
UV resistance | Excellent. |
Shrinkage | <5%. |
Specific gravity | 1.01 g/cm³ (Transparent, White); 1.5 g/cm³ (Colours) approximately. |
Elongation at break | 550%. |
Application temperature range | +5 to +40°C. |
Service temperature range | -40 to +150°C. |
Literature
Silfix® LM