Dowsil 791 External Weatherproofing Silicone Sealant - 310ml Cartridge

Dowsil 791 Weatherproofing Silicone Sealant is a one-part, low modulus, neutral curing sealant designed for general glazing, and weather sealing in curtain walls & building facades ideal for both commercial and domestic applications. This exterior silicone sealant has exceptional weatherproofing properties it resists extreme temperatures, ozone and UV radiation. Versatile, it provides excellent adhesion to most porous and non-porous surfaces without needing a primer and cures to form flexible and durable joints.

• Ideal for general glazing applications
• Can be used for commercial & domestic applications
• Low odour
• Resists extreme temperatures, ozone & UV radiation
• Available in multiple colours
• Excellent unprimed adhesion to most porous and non-porous surfaces
• Conforms to ISO 11600-F&G-25LM and also meets ISO specification 9047 class 50%

If possible test on a small area before you start to ensure compatibility.

Ensure that surfaces to be sealed are clean, dry, sound and free from frost, release agents, old sealants and other contaminants which could impair adhesion.

• Apply sealant to the desired area using a sealant gun.
• The joint should be tooled within 5 minutes of application to ensure good contact between the sealant and the substrate. Tooling of the sealant also gives a smooth, professional finish.

Always follow manufacturer's instructions found on the packaging

Delivery

All orders placed on a working day before 3pm will be dispatched on the same day for next working day delivery. Orders placed before 3pm on Friday will be delivered on Monday (excluding bank holidays). Orders placed on weekends and Bank Holidays will be dispatched on the next working day. All orders have a charge of £3.99 for express delivery.

Special Delivery

You can now choose some special delivery options. 

• AM Delivery: Get your order by 12pm
  If placed on a working day before 3pm, the AM Delivery will be dispatched on the same day for Next Working Day delivery. 
  Orders placed before 3pm on Friday will be delivered on Monday AM (excluding bank holidays). Orders placed on weekends and Bank Holidays will be dispatched on the next working day for delivery on the following AM. All orders have a charge of £12.99 for AM delivery.

• Late Cut-Off: Get an extra hour to place your order for Next Working Day delivery.
  Orders placed on a working day before 4pm will be dispatched on the same day for Next Working Day delivery. 
  Orders placed before 4pm on Friday will be delivered on Monday (excluding bank holidays). Orders placed on weekends and Bank Holidays will be dispatched on the next working day. All orders have a charge of £5.99 for Late Cut-Off delivery.

• Saturday Delivery: Get your order on Saturday
  Option available on Fridays. Orders placed on Friday before 3pm will be delivered on Saturday. All orders have a charge of £9.95 for Saturday delivery.

Exceptions

We do not deliver to the Channel Islands or the Republic of Ireland

Certain postcodes delivery times and charges may vary please head to the cart to see your available delivery options.

Returns

We offer a 14 day money back guarantee for all goods shipped correctly that are not required. If the item is not required, please send the item back for a full refund in its original condition, unused with its original packaging. Please note return for unwanted item is at your own expense.

Contact us as soon as possible to inform us you will be returning the product either by the contact form below or by calling our team on 0161 960 0217.

Please note any bespoke or mixed to order items can not be returned, if you are unsure this is your product please check the listing or contact us for details. 

We always recommend getting samples or contacting us for free of charge colourcharts. We do our best to represent colours as accurately as possible however screens variations and different surfaces can alter this. Unfortunately in the event you do not like the colour we are unable to accept the product back if they it has been opened.

Damaged Paint

Please visit our damages page where we can help resolve the issue for you. 

Incorrect Item

We will be happy to organise an exchange for the correct goods at no extra charge to yourself, please get in touch to organise this.

Faulty Items

If you find a fault with your product, we can offer a full refund or exchange within 30 days. We test every product that is returned to us, sadly if a product is found to have no fault we cannot refund this and the you will be given the option to have this returned to you. Please get in touch to discuss these options. If you find fault after 30 days of purchase you may wish to contact the manufacturer directly as they will be able to offer support with the product.