Question 1

1. What’s the best way to store silicone sealant?

Accepted Answer

If you’re wondering how to store silicone sealant, here’s some great advice from the brand Soudal:

“Store sealants in a cool and dry location where the temperature is between 5°C and 25°C. When the product has been opened, seal the nozzle as much as you can to ensure that air humidity cannot come in contact with the product, which would result in curing inside the nozzle/cartridge.”

Every product is different though, so make sure you check the packaging for specific instructions.

Question 2

2. How do you remove silicone sealant?

Accepted Answer

The easiest way to remove silicone sealant is by softening or dissolving it with a specialised remover, before scraping it off with a plastic tool. You can find a detailed how-to by the team at Homebase here.

Find sealant remover and other cleaning products for construction here.

Question 3

3. What’s the difference between silicone sealant and acrylic sealant?

Accepted Answer

Silicone sealant remains flexible and is water-resistant, making it suitable for bathrooms and kitchens. Acrylic sealant is paintable and used for internal joints and gaps.

Question 4

4. Can I use the same sealant for windows and doors?

Accepted Answer

Yes, many sealants are multipurpose. However, for external windows and doors, choose a weatherproof product with good adhesion and movement capability.

Question 5

5. What's neutral-cure silicone for?

Accepted Answer

Neutral-cure silicone is ideal for use with materials like uPVC, aluminium, or natural stone, where acetoxy-cure might cause corrosion or staining.

Question 6

6. What’s the difference between a sealant and a sealer?

Accepted Answer

Sealants are flexible materials used to fill gaps and joints, preventing air, water, or dust from getting through. They're common in bathrooms, kitchens, and around windows. Sealers, on the other hand, are surface coatings that protect materials like concrete, stone, or wood from moisture, stains, and wear. In short: sealants block gaps, while sealers protect surfaces.

Silicones and sealants online

Mapesil AC Sealant 114 Anthracite 310ml

CT1 Sealant & Construction Adhesive Oak 290ml

Mapesil AC Sealant 130 Jasmine 310ml

CT1 Sealant & Construction Adhesive Silver 290ml

Mapei Shower Waterproofing Kit 5kg

OB1 Multi-Surface Construction Sealant & Adhesive Anthracite 290ml

Thompsons 5Ltr Water Seal

Dow 785+ Sanitary Silicone Sealant Clear 310ml

Dow 785+ Sanitary Silicone Sealant White 310ml

Soudal Bathroom & Kitchen Sanitary Silicone Clear 290ml

Soudal Bathroom & Kitchen Sanitary Silicone White 290ml

Dow 781 General Purpose Silicone Sealant White 310ml

Everbuild Silicone 825 Buff 380ml

FloPlast Silicone Spray 40ml

C-TEC CT1 Sealant & Adhesive Brown 290ml

Mapesil AC Sealant 110 Manhattan 310ml

Sika 2 Waterplug Leak Sealing Admixture 5L

Dow 781 General Purpose Silicone Sealant Clear 310ml

Thompson's One Coat Damp Seal 750ml White

Soudal 270ml Multi-Purpose Silicone Clear 121644

KA Tanking Slurry 25kg

RIW Liquid Asphalt Composition 25L

RIW Liquid Asphalt Composition 5L

Soudal Trade Roof & Gutter Sealant Black 290ml

Soudal 270ml Multi-Purpose Silicone Brilliant White 121643

CT1 Sealant & Construction Adhesive Clear 290ml

CT1 Sealant & Construction Adhesive Black 290ml

Mapei Mapegum WPS Liquid Membrane 10kg

Ronseal One Coat Damp Seal White 2.5L

Bostik S41 Neutral Cure Low Modulus Acetoxy Window & Door Frame Silicone Clear 310ml

Bostik S41 Neutral Cure Low Modulus Acetoxy Window & Door Frame Silicone White 310ml

Bostik Pro S31 Sanitary Silicone 310ml Grey

Sikaflex 300ml EBT Cartridge - Beige

Dow 781 General Purpose Silicone Sealant Black 310ml

C-tec BT1 Ultimate Bathroom Sealant & Adhesive White 290ml

Sika Waterproofer 5ltr

Everbuild Silicone 825 Anthracite 380ml

Ronseal One Coat Damp Seal White 750ml

Mapei Mapesil AC Caramel (141) Silicone Sealant 310ml

Evo-stik Multi Purpose Silicone White 280ml