Name: Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml
Brand: Dow Corning
SKU: 523644
Availability: InStock

Compare prices

Sort by:

New

£30.00

£10.38

+ £30.00 delivery

View deal

Affiliate link

Report an error

Description

DOWSILâ 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. Conforms to ISO 11600-25LM and also meets ISO specifications on 9047 class 50 percent Excellent weatherproof characteristics like resistance to ozone, UV radiations and extreme temperatures Joint movement capability +/-50 percent Working time-20 to 30 minutes Fast curing-tack free in 2 hours Application temperature range is -20 to +50 C Suitable for weather sealing of curtain walling, building facades and expansion joints Can also be used as a frame sealant

Specifications

Interior or Exterior Use

Exterior, Application Method:Cartridge Gun, Time to Full Cure:72 h, Colour:Grey, Size:310 ml, Container Type:Cartridge, Standards Met:ISO 11600-25LM, Type:All Purpose Silicone, Pack Quantity:1, Manufacturer Model No:4024909 /C05, Brand Name:Dow

Full specifications

Marque	Dow Corning
Référence fabricant	523644
EAN	5413278323378

Why choose the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml in 2026?

Choosing the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml means opting for the expertise of Dow Corning in the Maison & Literie category. Its price starting from £40.38 makes it a serious option on the market. Buyers interested in this brand also look at the Dupont Insta-Stik Straw Applied Multi Purpose Adhesive 750ml to complete their comparison. On Compiral, all displayed prices are updated regularly and retailers are selected for their reliability and quality of customer service.

Technical analysis of the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml

Among the main strengths of the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml, the most notable are its competitive pricing from £40.38 and the recognition of the Dow Corning brand. Buyers who have already used this type of product in the Maison & Literie category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.

What the tech specs reveal

The Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Maison & Literie category. Dow Corning publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The Dupont Insta-Stik Straw Applied Multi Purpose Adhesive 750ml from the same brand may also interest you for a direct comparison.

In practice day to day

In daily use, the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml is designed to fit easily into the regular habits of Maison & Literie users. Dow Corning has optimised this model for regular use, with accessible features and simplified maintenance.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 800 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	800 £ to 1860 £	Regular daily use	Good value for money, solid performance
High-end	Over 1860 £	Demanding users	The best of the category, all advanced features

Before buying the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Maison & Literie category.

Frequently asked questions about Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml

Is the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml in stock?

Stock availability for the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Maison & Literie category.

Where can I buy the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml at the best price?

To buy the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml at the best price, compare all available offers in our table at the top of this page. The 1 offer listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml compare to competitors in the Maison & Literie category?

In the Maison & Literie category, the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml suitable for beginners?

Yes, the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml is generally appreciated by both beginners and regular users of the Maison & Literie category. It is quick to set up and Dow Corning usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml?

Refurbished versions of the Dowsil 791 Grey Weatherproofing Silicone Sealant, 310ml may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.