Sealants · Silicone sealants
Sikasil® WS-305 Black
Neutral-Cure Silicone Weatherproofing Sealant
Sika TDS In stock
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Sealants · Silicone sealants
Sikasil®-715 WS
LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADES
Sika TDS On demand
Available on order Not held in stock. Ask us for the current lead time and minimum order.
- Very good weathering resistance Very good weathering resistance.
- Movement capability of ±50 % Movement capability of ±50 % (ASTM C719).
- Good adhesion to a wide Good adhesion to a wide range of substrates.
- Neutral cure Neutral cure.
- Low VOC content Low VOC content.
Prices are quoted per project — no prices are shown online.
- Sika products supplierIslamabad & Rawalpindi.
- Get a quote on WhatsAppSend your product and quantity for current pricing.
- Technical support from MCTOur team helps you choose the right solution.
- DeliveryContact our team to confirm delivery and lead times to your location.
Product at a glance
Temperature range
−40 °C to +150 °C Joint Design The joint width must be designed to suit the joint movement required and the movement capability of the sealant. The joint width shall be ≥ 6 mm and ≤ 45 mm. The joint depth shall be ≥ 6 mm
Key benefits
- Very good weathering resistance
- Movement capability of ±50 %
- Good adhesion to a wide
- Neutral cure
- Low VOC content
- Antifungal
- Non-staining
Sikasil®-715 WS — LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADES
Sikasil®-715 WS is a silicone-based, 1-component, UVstable, moisture curing, low-modulus elastic weather sealant. Suitable for use in hot and tropical climatic conditions.
Recommended uses
- Sikasil®-715 WS is designed for weather proofing and sealing applications where durability under severe conditions is required.
- Sikasil®-715 WS is particularly suited for use as a weather sealant for curtain wall and metal cladding facades.
- Sikasil®-715 WS can be used for wet area joints in bathroom, toilet and kitchen and around the sanitaryware.
- Joint sealing of natural stones (contact Sika Technical Services prior to application).
- Sikasil®-715 WS can be used in Concrete, Brickwork, Precast and GRC sealing applications.
Technical information
Technical information
Verified performance data for Sikasil®-715 WS, taken directly from the Sika Pakistan Product Data Sheet.
| Chemical Base | Neutral cure silicone |
|---|---|
| Colour | Black, white, grey, beige, brown and champagne (other colors on request) |
| Density | ~1.2 kg/l Volatile organic compound (VOC) content ≤ 50 g/l (US EPA 24) |
| Shore A Hardness | ~25 (after 28 days) (CQP023–1 / ISO 7619–1) |
| Tensile Strength | ~0.9 MPa (CQP036–1 / ISO 527) |
| Movement Capability | ± 50 % (ASTM C 719) |
| Service Temperature | −40 °C to +150 °C Joint Design The joint width must be designed to suit the joint movement required and the movement capability of the sealant. The joint width shall be ≥ 6 mm and ≤ 45 mm. The joint depth shall be ≥ 6 mm |
| Consumption | Joint length [m] per 600 ml foil pack Joint width [mm]Joint depth [mm] 10106 5158 32010 22512 1.33015 |
| Ambient Air Temperature | +5 °C to +40 °C, min. 3 °C above dew point temperature |
| Substrate Temperature | +5 °C to +40 °C |
| Curing Rate | ~2 mm / 24 hours (23 °C / 50% r.h.) (CQP 049–2) |
| Skin Time | ~35 minutes (23 °C / 50% r.h.) (CQP 019–1) Tack Free Time ~80 minutes (23 °C / 50% r.h.) (CQP 019–3) Product Data Sheet Sikasil®-715 WS May 2025, Version 03.01 |
| Standards | ASTM C920, class 50; VOC test report (US EPA 24); VOC Emission Test Report (CDPH); Tested acc. to ASTM G21; Tested acc. to ASTM C1248 |
Source: Sika Pakistan Product Data Sheet, Sikasil®-715 WS (May 2025, Version 03.01).
Packaging & storage
Packaging & storage
Packaging
300 ml cartridge, 12 cartridges per box 600 ml foil pack, 20 foil packs per box
Storage
Sikasil®-715 WS shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C.
Shelf life
Cartridge - 12 months Unipack (foil pack) - 12 months
Application guide
Application guide (2 easy steps)
- ApplicationSUBSTRATE PREPARATION The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. The following priming and/or pre-treatment procedures shall be followed: Non-porous substrates Float glass, coated glass, anodised aluminium and stainless steel have to be pre-treated using Sika® Aktivator-205, Sika® Aktivator-100 or Sika® Cleaner P. Powder coated and PVDF coated
- Cleaning of ToolsClean all tools and application equipment immediately after use with Sika® Remover-208 and/or Sika® Cleaning Wipes-100. Once cured, residual material can only be removed mechanically.
Follow the official Sika Technical Data Sheet for full application details.
Technical documents
Data sheets for this product
More data sheets in Sealing & Bonding
FAQs
Frequently asked questions
What is Sikasil®-715 WS?
Sikasil®-715 WS is a silicone-based, 1-component, UVstable, moisture curing, low-modulus elastic weather sealant. (LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADES)
What packaging is available?
300 ml cartridge, 12 cartridges per box 600 ml foil pack, 20 foil packs per box
What is the shelf life?
Cartridge - 12 months Unipack (foil pack) - 12 months Sikasil®-715 WS shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C.
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