# Silicone Sealant 791 Weather Seal – Dow Corning

A one-part neutral silicone suitable for weather sealing

**Applications**

A one-part neutral silicone suitable for weather sealing of curtain walling, building facades, and expansion joints to most exterior substrates.

**Benefits**

-   Excellent weathering characteristics, including resistance to ozone, UV radiation, and temperature extremes
-   20-30 minutes working time
-   Fast cure - tack-free in 30 minutes
-   Conforms to ISO 11600-25LM and also meets ISO specification 9047 class 50
-   Highly flexible
-   Joint movement capacity +/- 50%
-   Application temperature range -25 to +50°C
-   Size: 310ml

## Details

- **Price:** 9.79 GBP - 10.47 GBP
- **Vendor:** GEOCEL (G47F)
- **Type:** Sealants
- **Tags:** Black, Brown, Building Materials, Chemicals, National, Sealants, Sealants & Adhesives, White

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Brown | 10.47 GBP | In stock |
| Black | 10.47 GBP | In stock |
| White | 9.79 GBP | In stock |

## Images

- Silicone Sealant 791 Weather Seal – Dow Corning
- Silicone Sealant 791 Weather Seal – Dow Corning

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> Source: [Carvers Building Supplies](www.carvers.co.uk/products/silicone-sealant-791-weather-seal-white-dow-corning)
> Updated: 2026-06-16