Weatherproofing Sealant ( Sillicon ) – DOWSIL™ 791, 310ml
£15.28 incl. VAT
DOWSIL™ 791 Weatherproofing Silicone Sealant is a one-part, low modulus, neutral curing weatherproofing silicone sealant designed for both commercial and domestic applications. It provides excellent unprimed adhesion to most porous and non-porous surfaces.
SPECIFICATIONS
Benefits
- Excellent weathering characteristics, including resistance to ozone, UV radiation, and temperature extremes
- Joint movement capability +/- 50%
- Conforms to ISO 11600-F&G-25LM and also meets ISO specification 9047 class 50%
- Designed for general glazing, and weather sealing in curtain walls & building facades
Substrate Type
- Wood
- Glass
- Toughened Glass
- Laminate Glass
- Glass Sealed Units – Weatherseal
- Brick
- Stone
- Concrete
- PVCu
- Plastic
- Mill Finished Aluminium
- Anodised Aluminium
- PVF2 Aluminium
- Powdercoat
- Steel
- Stainless Steel
- Galvanised Steel
- Copper
- Brass
- Zinc
- Lead
- Polycarbonate
- Masonry
- MDF
- Stained Timber
- Painted Timber
Technical Information
| Where to use | Exterior |
| Paintable | No |
| Time to cure | 24 hours |
| Container Type | Cartridge |
| Shelf life | 1 year |
| Sizes | 310ml |
| Application method | Sealant Gun and Cartridge |
Supporting Documents Data Sheet
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SHIPPING
Free Delivery:
- Available on all orders over £400 within the London (M25) area.
Delivery Times:
- Standard Flat & Pitched Skylights: 3–6 working days.
- Custom Sizes: 3–6 weeks for production and shipping (free delivery).
- Roof Lanterns, Framed Skylights, Electric Opening Skylights, Walk-On Skylights, Skylight Blinds: 10–14 working days.
Delivery Arrangements:
- Delivery is scheduled Monday to Friday, 8 am to 5 pm.
- We’ll contact you to arrange a delivery time once payment is complete.
Shipping Options:
- Enter your shipping address at checkout to view options.
- Within M25: Our drivers ensure safe delivery. We ask that you or your builders are present to accept the order.
- Outside M25: We use external couriers. They will contact you to schedule delivery.
- Extra Economy Shipping: Available for all areas except Northern Ireland and Scotland. In rare cases, you may need to pick up your order from a nearby depot.
Important Notes:
- Products range from 10kg to 280kg. You may need 2–6 people to assist with unloading.
- We are not liable for any damage during unloading, as it’s the customer’s responsibility.
- If no one is available to receive the delivery, we will try to contact you. If unreachable, the order will be returned to our warehouse.
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