By Bostik Product code: 99144 Pack size: Each
Extend the life of outside areas and protect them against rain, damp and frost damage with this water seal by Bostik. You can apply it to surfaces such as concrete, brick, stone, slate, terracotta, render and wood. It's suitable for all types of building projects, from homes and offices to garden structures.
This sealant penetrates deep below the surface of your substrate and forms a water-resistant barrier to protect porous surfaces. Although it's waterproof, water vapour can still pass through it, so the treated materials can 'breathe' and moisture won't become trapped inside. Because it has a transparent finish, it won't alter the appearance of the area it's applied to, though it may darken a little on some surfaces, so do a small test patch first. As well as waterproofing, this product also helps to prevent condensation and efflorescence, keeping structures in great condition for longer.
• Apply in temperatures from +5°C to +25°C
• Gives coverage of approximately 2 – 4 m² per litre per coat
• Drying time of around three to four hours
• High performance waterproofer
• Increases life of brick, stone, render and terracotta
• Prevents rain, damp and frost damage
• Helps to prevent condensation
• Exterior use only
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DELIVERY OPTIONS (UK mainland only)
Next Day Delivery – £5.00 or FREE for orders over £35
Our opening times are 7am-8pm Monday-Friday, 7am-7pm Saturday and 9-4pm Sunday. Please check your local branch is open on the branch locator page, before you visit.
Once you have placed your order online, we’ll have it ready for you at the branch you have selected in as little as 5 minutes. We will hold your order for 14 days, after which we will automatically generate a refund to the payment type you used to place the order.
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If an item is eligible for Next Business Day Collection in branch, the order must be placed by 7pm Monday to Thursday for collection the next day. Orders placed after 7pm on Thursday, and up to 5pm on Sunday, will be available for collection on Monday. For larger items over 30kg, please allow two business days.
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