Dowsil DC799 Plastic & Glass Sealant 310ml Clear

By Dow Product code: 15038 Pack size: Each

£6.28 Exc. VAT £5.23

Delivery Address
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Collection Address
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Product Details

• Neutral cure - tack free in 20 minutes
• Resistant to ozone, UV radiation and temperature extremes
• Joint movement capability +/- 50%
• Application temperature range +5 to +40C
• Conforms to ISO11600-F&G-25LM

Dowsil 799 Plastic & Glass Sealant. Low modulus silicon specially formulated for PVCu and polycarbonate profiles and panels, contains a fungicide for use in areas of high humidity.

Technical Specification
Brand Dow
Colour by dominance Clear
Safety Data Sheet click here
Volume (L) 0.31
Volume (ml) 310
Container Type Cartridge
Delivery details

Covid-19 Update

  • FREE Next Business Day delivery is available for orders over £25 for orders placed before 9pm Mon-Thur and before 6pm Sunday
  • Saturday and Sunday delivery is available for orders placed before 6pm on Friday for Saturday Delivery and 4pm Saturday for Sunday delivery. Items over 30kg can only be delivered next Business Day Mon-Fri. Orders placed after 9pm Thursday will be delivered the following Monday see here for details
  • Pre-12 delivery service is now available for weekday deliveries. Place your order before 9pm Mon-Thur for next business day delivery by 12pm. Orders placed after 9pm Thur and before 6pm Sunday will be delivered by 12pm Monday. UK mainland only
  • Once your order has been dispatched you will receive an invoice email with the courier details and your tracking number
  • Alternatively go to MyAccount, click on your Order History, click on the TRACK icon to link through to the carrier website and the tracking details for your delivery
  • Delivery direct from suppliers is available and specific delivery times will be displayed on the product page
Order Value: Under £25 Over £25 but less than £75 £75 & Over
Next Business Day Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 6pm £5 Free Free
Pre-12 Delivery Mon-Fri (order by 9pm Mon-Thur & Sun by 6pm) delivered before 12pm next day £10 £5 £5
Remote areas standard delivery (2-4 days) £5 Free Free
Saturday Delivery (order by 6pm Friday) delivered before 6pm £10 £5 Free
Sunday Delivery (order by 4pm Saturday) delivered before 6pm £10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details

Covid 19 Update

Click & Collect

We are fully open and delighted to welcome our customers into our branches.

Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday

Our speedy 5 min Click and Collect service remains one of the safest ways to buy from us and minimises your time in store. Place your order at 7 days a week, and travel to store once your collection confirmation is received by email or text message.

Don’t forget your mobile number – Please ensure that your mobile number is added so that we can text you when your order is ready to collect.

Your items will be held at your selected Toolstation branch for 14 days, after which point your order will be put back to stock and refunded automatically.

Dow DC799 Plastic & Glass Sealant 310ml Clear is rated 4.4 out of 5 by 14.
Rated 5 out of 5 by from Great glazing silicon Great product, great price, great for glass
Date published: 2021-03-29
Rated 5 out of 5 by from Could be better. Not the easiest to work with but does the job. Fitted some lexan sheets with it.
Date published: 2021-03-15
Rated 4 out of 5 by from Great sealant but let down by cheap casing. A high quality sealant that worked a treat for my summer house glazing. Sadly out of the two I bought the first one leaked heavily out of the base of sealant case upon squeezing the gun, thus almost 40% of it was wasted, hence only 4 stars.
Date published: 2021-03-06
Rated 5 out of 5 by from Superior Window Silicone I have used this product to replace most of the sealed units in my house.Performs perfectly no failures in 7 years.
Date published: 2021-02-20
Rated 5 out of 5 by from Excellent product Used it plenty of times and its always a good quality product
Date published: 2021-02-07
Rated 5 out of 5 by from . Great stuff use it all the time
Date published: 2021-01-24
Rated 4 out of 5 by from Silicone So far so good for this thing
Date published: 2020-12-23
Rated 5 out of 5 by from Pro Glazing sealant I've been using the Dow sealant range for over 10 years & find this glazing sealant excellent for sealing timber glazing beads to glass, using the security glazing taping method, for a watertight seal that doesn't degrade or loose adhesion over time. It workable & leaves a great, neat & professional finish.
Date published: 2020-06-30
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